Abfraction
Dental DiseasesPresentation
- Wedge/V-shaped notch at cervical area
- Sharp margins
- Typically on buccal surface
- Commonly on premolars
Examination checklist
- V-shaped at CEJ
- Often on buccal of premolars
- Associated with occlusal stress indicators
Immediate management
- Occlusal adjustment if indicated
- Night guard for bruxism
- GIC or composite restoration if symptomatic/progressive
Full atlas page →Actinic Cheilitis
Premalignant DisordersPresentation
- Dry, scaly, atrophic lower lip
- Loss of vermilion border definition
- Pale/white patches with red erosions
- Persistent crusting/fissuring
- Focal ulcer or induration = suspect SCC
Examination checklist
- Loss of vermilion demarcation
- Palpate for induration
- Photograph and map lesion
Immediate management
- Photoprotection: SPF 30+ lip balm, wide-brim hat
- Topical 5-FU, imiquimod, or diclofenac for field change
- Cryotherapy for focal lesions
- CO₂ laser vaporisation or vermilionectomy (lip shave) for severe/dysplastic disease
Full atlas page →Adenomatoid Odontogenic Tumour
Odontogenic TumorsPresentation
- Missing permanent tooth in the arch
- Occasional egg-shell crackling
Examination checklist
- Check for missing permanent canine
- OPG + IOPA
- CBCT
- Vitality of adjacent teeth
Red flags
- Rapid growth would prompt biopsy to exclude ameloblastoma or malignancy
Follow-up
- 6- and 12-month post-op OPG
Full atlas page →Amalgam Tattoo
Pigmented LesionsPresentation
- Painless flat blue-grey macule
- Gingiva or alveolar mucosa adjacent to restorations
Immediate management
- No treatment; biopsy if diagnosis uncertain
Full atlas page →Ameloblastoma
Odontogenic TumorsPresentation
- Painless bony expansion — 'egg-shell crackling'
- Displaced teeth, root resorption
- Facial asymmetry
Immediate management
- Conventional: segmental/marginal resection with 1–1.5 cm bony margins + immediate reconstruction
- Unicystic (luminal/intraluminal): enucleation ± Carnoy's
- Mural unicystic: resection
- Peripheral: local excision
Full atlas page →Amelogenesis Imperfecta
Developmental DisordersPresentation
- Thin, pitted or absent enamel (hypoplastic type)
- Soft, cheese-like enamel (hypocalcified)
- Opaque, mottled enamel (hypomature)
- Anterior open bite common
- Tooth sensitivity
Examination checklist
- Classify by Witkop classification
- Distinguish from DI by dentin appearance
- X-linked forms affect males more severely
Immediate management
- Preventive fluoride varnish
- Composite restorations / veneers
- Full-coverage crowns for severe cases
- Overdentures or implants long-term
Full atlas page →Aneurysmal Bone Cyst
Non-odontogenic CystsPresentation
- Firm-to-fluctuant expansile mass
- Overlying skin/mucosa tense but usually intact
- Bruit occasionally audible over lesion (rare)
Examination checklist
- Age (< 30 y)
- Rate of growth (rapid)
- Facial asymmetry
- Cortical crackling on palpation
- Tooth vitality/mobility
- OPG + CBCT for extent
- MRI for fluid–fluid levels
- Consider pre-op angiography ± embolisation
Red flags
- Very rapid growth
- Paraesthesia or pain
- Cortical perforation with soft-tissue mass
- Atypical histology → exclude telangiectatic osteosarcoma
- Bleeding tendency on biopsy — always cross-match
Immediate management
- Analgesia; antibiotics only if infected
- Denosumab in selected refractory cases (specialist care)
Follow-up
- Clinical + imaging review at 3, 6, 12 months, then annually × 5 y
- Beyond 5 y: 2-yearly review
- MRI for suspected recurrence
Full atlas page →Attrition
Dental DiseasesPresentation
- Flat, shiny wear facets
- Exposed dentin (yellow)
- Cupping of cusp tips
- Shortening of clinical crown
- Matching facets on opposing teeth
Examination checklist
- Matching wear facets = attrition
- Bruxism = primary cause in young adults
- Distinguish from erosion (acid) by facet pattern
Immediate management
- Manage bruxism: occlusal splint
- Restore lost structure: composite, crowns
- Rehabilitate VDO if severe
Full atlas page →Behçet Disease
Ulcerative DiseasesPresentation
- Recurrent oral aphthous-like ulcers (major criterion)
- Genital ulcers (scarring)
- Ocular: anterior/posterior uveitis, hypopyon
- Skin: erythema nodosum, acneiform lesions, pathergy
- Neurological, vascular, GI involvement
Examination checklist
- Triple symptom complex: oral + genital + ocular
- Pathergy test
- HLA-B51
Red flags
- Hypopyon
- Sudden vision loss
- Neurological symptoms
Immediate management
- Mild: topical steroids, colchicine
- Moderate-severe: systemic steroids, azathioprine, cyclosporine
- Severe: anti-TNF (infliximab), interferon-α
- Anticoagulation if thrombosis
Full atlas page →Burkitt Lymphoma
Malignant TumorsPresentation
- Rapidly enlarging, painless jaw swelling (posterior maxilla most common)
- Loose teeth, ill-fitting appliances
- Facial deformity, proptosis
- B symptoms uncommon
- Extranodal: kidneys, ovaries, CNS
Examination checklist
- Child with rapidly growing jaw mass — biopsy immediately
- Send fresh tissue for cytogenetics
Immediate management
- Intensive short-course chemotherapy (CODOX-M/IVAC, DA-EPOCH-R)
- Rituximab
- Intrathecal methotrexate for CNS prophylaxis
- Aggressive tumour lysis prophylaxis (hydration, allopurinol, rasburicase)
Full atlas page →Cemento-osseous Dysplasia
Fibro-osseous LesionsPresentation
- Asymptomatic incidental radiographic finding
- Teeth vital (key differentiator from periapical granuloma/cyst)
- Florid form may cause jaw expansion and secondary infection
Examination checklist
- Confirm tooth vitality before surgical intervention
- Recognise florid pattern to avoid iatrogenic osteomyelitis
Immediate management
- No treatment needed if asymptomatic — observation with periodic radiographs
- Meticulous oral hygiene to prevent secondary infection
- Debridement/saucerisation for infected florid COD
- Avoid unnecessary extractions in involved areas
Full atlas page →Cementoblastoma
Odontogenic TumorsPresentation
- Vital, non-carious associated tooth
- Occasional trismus or paraesthesia when large
Examination checklist
- Vitality testing
- OPG + IOPA + CBCT
- Percussion / palpation
Red flags
- Rapid growth or paraesthesia — reconsider diagnosis (osteosarcoma differential)
Follow-up
- 6 & 12 month post-op OPG then annually for 3 years
Full atlas page →Central Giant Cell Granuloma
Bone DiseasesPresentation
- Painless expansile swelling
- May displace teeth or resorb roots
Immediate management
- Curettage; intralesional corticosteroids or calcitonin for aggressive lesions
- Resection for recurrent aggressive lesions
Full atlas page →Cervicofacial Actinomycosis
Maxillofacial InfectionsPresentation
- Slowly enlarging, indurated, painless mass at the angle of the mandible
- Multiple discharging sinuses through skin
- Yellow 'sulphur granules' in pus
- Trismus, low-grade fever
- Crosses tissue planes (unlike malignancy following fascia)
Examination checklist
- Woody induration crossing tissue planes
- Sulphur granules in pus
- History of recent extraction
Immediate management
- High-dose IV penicillin G 18–24 MU/day × 4–6 weeks, then oral penicillin/amoxicillin 6–12 months
- Alternatives: doxycycline, clindamycin, erythromycin (penicillin allergy)
- Surgical drainage and excision of sinuses/necrotic bone
Full atlas page →Cervicofacial Necrotising Fasciitis
Maxillofacial InfectionsPresentation
- Rapidly spreading painful cellulitis disproportionate to skin findings
- Skin: erythema → dusky discolouration → haemorrhagic bullae → necrosis
- Crepitus (gas)
- Systemic toxicity: fever, tachycardia, hypotension, altered mentation (SIRS/sepsis)
Examination checklist
- Pain out of proportion + rapid spread → suspect NF
- Skin appearance underestimates fascial destruction
Immediate management
- Immediate aggressive surgical debridement — the mainstay; repeat every 24 h until clean
- Empirical broad-spectrum: piperacillin–tazobactam + clindamycin + vancomycin/linezolid
- Clindamycin suppresses exotoxin production
- IVIG for streptococcal toxic shock
- ICU support: fluids, vasopressors, ventilation
- Hyperbaric oxygen adjunctive
- Reconstruction after infection controlled
Full atlas page →Chondrosarcoma of the Jaws
Malignant TumorsPresentation
- Painless swelling of anterior maxilla or condyle
- Loose teeth, nasal obstruction, proptosis
- Slow but relentless growth
Examination checklist
- Anterior maxilla mass in adult — image with CT & MRI
- Biopsy before definitive surgery
Immediate management
- Wide surgical resection with clear margins (mainstay)
- Radiotherapy — limited efficacy; used for unresectable/positive margins (proton beam)
- Chemotherapy generally ineffective except mesenchymal variant
Full atlas page →Cleft Lip & Palate Repair
Maxillofacial SurgeryExamination checklist
- Assess feeding, weight gain, ear disease
- Evaluate speech resonance and articulation
- Photograph pre/post at each stage
Full atlas page →Cleft Lip and Palate
Developmental DisordersPresentation
- Unilateral or bilateral cleft lip ± alveolus
- Cleft of hard/soft palate
- Nasal deformity
- Feeding difficulties
- Speech problems (VPI)
- Dental anomalies (missing/supernumerary teeth)
Examination checklist
- Rule of 10 for lip repair
- VPI = velopharyngeal insufficiency
- Alveolar bone graft timing: mixed dentition
Immediate management
- Multidisciplinary cleft team
- Lip repair: 10 weeks (rule of 10s)
- Palate repair: 9–12 months
- Alveolar bone graft: 9–11 years (mixed dentition)
- Secondary rhinoplasty, orthognathic surgery as needed
Full atlas page →Cleidocranial Dysplasia
Developmental DisordersPresentation
- Short stature
- Long neck, narrow drooping shoulders
- Facial disproportion
Examination checklist
- Ability to approximate shoulders anteriorly — pathognomonic
- OPG with 'crown of teeth' from multiple impactions
- Autosomal dominant, RUNX2 mutation
Immediate management
- Multidisciplinary — pediatric dentist, orthodontist, oral surgeon, prosthodontist
- Belfast/Toronto/Jerusalem protocols: extract deciduous + supernumerary, expose and orthodontically align permanents
- Implants and prostheses when growth complete
Full atlas page →Condylar Hyperplasia
TMJ DisordersPresentation
- Progressive facial asymmetry with chin deviation to the unaffected side (Type II) or ipsilateral (Type I)
- Unilateral posterior open bite / crossbite
- Occlusal cant
- Preserved TMJ function
Examination checklist
- Chin deviation direction discriminates Type I vs II
- Confirm activity before definitive surgery
Immediate management
- Active disease: high condylectomy (5 mm) to arrest growth ± orthognathic correction
- Burnt-out disease: orthognathic surgery alone (bimaxillary + genioplasty)
- Orthodontic decompensation before surgery
Full atlas page →Deep Neck Space Infections
Maxillofacial InfectionsPresentation
- Swelling, pain, trismus, dysphagia, drooling
- Airway compromise (retro-/parapharyngeal)
- Fever, malaise, elevated WCC/CRP
- Torticollis (deep spread)
Examination checklist
- Trismus + dysphagia = deep space involvement until proven otherwise
- Airway is priority
- Follow the fascial routes on CT
Immediate management
- Airway assessment — secure early (awake fibre-optic if compromised)
- IV empirical antibiotics: amoxicillin-clavulanate or ampicillin-sulbactam + metronidazole; add clindamycin/vancomycin if MRSA suspected
- Surgical: extract source tooth + incision & drainage of involved spaces via appropriate approaches, dependent drainage, corrugated/Penrose drain
- ICU support if septic
- Reassess and re-image if no improvement in 48–72 h
Full atlas page →Dental Caries
Dental DiseasesPresentation
- White spot lesion → brown discolouration → cavitation
- Sensitivity to sweet/cold
- Pain in advanced lesions
Immediate management
- Non-cavitated: fluoride varnish, SDF, resin infiltration
- Cavitated: minimally invasive restoration (composite, GIC)
- Pulpally involved: RCT or extraction
Full atlas page →Dental Erosion
Dental DiseasesPresentation
- Smooth, silky-shiny enamel surface
- Cupping of cusps and incisal edges
- Palatal erosion of upper anteriors (intrinsic)
- Facial erosion (extrinsic)
- Restorations standing proud ('amalgam islands')
Examination checklist
- Palatal erosion of 16, 26 = GERD/bulimia
- Cupping of cusps
- Restorations standing above tooth surface
Immediate management
- Identify and reduce acid source
- Dietary counselling
- Fluoride/CPP-ACP remineralisation
- Restore with composite/crowns if severe
Full atlas page →Dental Implantology
Maxillofacial SurgeryExamination checklist
- Assess bone width/height & inter-arch space
- Identify vital structures on CBCT (IAN, sinus, incisive canal)
- Manage soft-tissue phenotype
Full atlas page →Dentigerous Cyst
Odontogenic CystsPresentation
- Often asymptomatic — incidental finding
- Painless bony expansion when large
- Displacement / resorption of adjacent teeth
Immediate management
- Enucleation + extraction of associated tooth
- Marsupialisation for very large cysts / young patients to preserve tooth
Full atlas page →Dentinogenesis Imperfecta
Developmental DisordersPresentation
- Opalescent blue-grey or amber teeth
- Bulbous crowns, cervical constriction
- Rapid attrition with flat occlusal surfaces
- Primary teeth more affected than permanent
Examination checklist
- Type I always with OI; Types II/III without OI
- Pulp obliteration on radiograph is key
- Enamel chips away due to poor DEJ support
Immediate management
- Stainless steel crowns (deciduous)
- Full-coverage restorations
- Overdentures
- Implants after growth
Full atlas page →Dento-alveolar Trauma
TraumaPresentation
- Fractured, displaced, or missing teeth
- Mobility, occlusal interference
- Gingival laceration, alveolar step
- Vitality changes on follow-up
Examination checklist
- Extra-alveolar time and storage medium (avulsion)
- Test vitality and record baseline
Immediate management
- Enamel fracture: smooth or composite restoration
- Enamel-dentin: composite; monitor vitality
- Complicated crown fracture: pulp cap / partial pulpotomy (Cvek) if <24 h; RCT if mature
- Root fracture: reposition, flexible splint 4 wk (cervical: 4 mo)
- Extrusion: reposition, flexible splint 2 wk
- Lateral luxation: reposition, flexible splint 4 wk
- Intrusion: monitor if immature/<3mm; orthodontic/surgical repositioning if mature/severe
- Avulsion: replant ASAP; storage in HBSS/milk/saliva; flexible splint 2 wk; systemic doxycycline; tetanus check; RCT within 7–10 days for mature apex
- Alveolar fracture: reposition, rigid splint 4 wk
Full atlas page →Distraction Osteogenesis
Maxillofacial SurgeryExamination checklist
- Confirm vector before activation
- Monitor occlusion during activation
- Assess IAN function
Full atlas page →Epulis Fissuratum
Soft Tissue LesionsPresentation
- Single or multiple soft tissue folds in vestibule
- Firm, fibrous consistency
- Denture flange sits within groove between folds
- Usually painless
Examination checklist
- Always assess denture fit
- Excise + address cause
- No malignant potential but biopsy to exclude SCC
Immediate management
- Relieve denture flange
- Surgical excision of redundant tissue
- Reline or new denture
Full atlas page →Erythema Multiforme
Vesiculobullous DiseasesPresentation
- Oral: haemorrhagic crusting of lips, erosions on buccal/labial mucosa
- Skin: target (iris) lesions — central vesicle, pale ring, erythematous halo
- Acute onset, self-limiting 2–6 weeks
- Recurrences common if HSV-associated
Examination checklist
- Target lesions on skin
- Haemorrhagic lip crusting
- HSV is main trigger
Immediate management
- Supportive: hydration, soft diet, analgesics
- Topical steroids for oral lesions
- Aciclovir prophylaxis for HSV-associated recurrent EM
- Systemic steroids controversial
Full atlas page →Erythematous (Atrophic) Candidiasis
Red LesionsPresentation
- Burning tongue / palate
- Altered taste
- Pain on eating spicy or acidic food
- Denture soreness
Examination checklist
- Remove denture and examine underlying mucosa
- Assess denture fit and hygiene
- KOH mount
- Screen for HIV/diabetes if recurrent
Red flags
- Failure to respond to antifungals — biopsy for erythroplakia or lichen planus
- Recurrent episodes in previously healthy adult
- Weight loss, lymphadenopathy — evaluate for HIV
Immediate management
- Nystatin, miconazole (topical)
- Fluconazole (systemic)
- Chlorhexidine mouthwash adjunct
Follow-up
- Review at 2 weeks; investigate systemic cause if recurrent
Full atlas page →Erythroplakia
Red LesionsPresentation
- Painless red patch
- Occasional burning or roughness
- Bleeds on gentle probing
Examination checklist
- Full mucosal examination
- Palpation for induration
- Toluidine blue staining
- Photograph and measure
- Plan biopsy of most suspicious area
Red flags
- Any red patch persisting > 2 weeks
- Induration or ulceration
- Cervical lymphadenopathy
- Floor of mouth or ventral tongue location
Immediate management
- Adjunctive antifungals if Candida co-infection
- Chemopreventive retinoids — limited evidence
Follow-up
- Monthly for first 3 months, then 3-monthly for 2 years, 6-monthly lifelong
- Re-biopsy any recurrence or new red area
Full atlas page →Fibrous Dysplasia
Fibro-osseous LesionsPresentation
- Slow painless unilateral swelling
- Facial asymmetry
- Ill-defined margins on imaging
Immediate management
- Observation for stable lesions
- Bisphosphonates for pain/rapid progression
- Cosmetic contouring after growth quiescence
Full atlas page →Geographic Tongue
Red LesionsPresentation
- Asymptomatic in most
- Burning sensation with spicy/acidic foods
- Occasional metallic taste
Examination checklist
- Full oral exam
- Photograph for baseline (documents migration)
- Ask about psoriasis, atopy, family history
Red flags
- Fixed (non-migratory) lesion — reconsider diagnosis
- Induration, ulceration, cervical lymphadenopathy
- Failure to respond to reassurance and steroids
Immediate management
- Topical steroids for symptomatic disease
- Antihistamines if allergic co-factor
- Zinc supplementation (empirical)
Follow-up
- No specific follow-up; reassurance
Full atlas page →Haemangioma
Benign TumorsPresentation
- Bright red 'strawberry' cutaneous lesion or bluish deep swelling
- Blanches on pressure
- Head & neck in 60%
- Beard distribution → airway involvement
- PHACES syndrome (Posterior fossa, Haemangioma, Arterial, Cardiac, Eye, Sternal)
Examination checklist
- Differentiate from vascular malformation (history since birth, no involution)
- Assess airway and vision in periorbital/segmental lesions
Immediate management
- Observation for uncomplicated lesions (spontaneous involution)
- First-line pharmacotherapy: oral propranolol 2–3 mg/kg/day
- Topical timolol for superficial
- Systemic steroids (historical, second-line)
- Pulsed-dye laser for residual telangiectasia
- Surgical excision for functional/aesthetic residuum after involution
Full atlas page →Hemifacial Microsomia
Developmental DisordersPresentation
- Mandibular hypoplasia (Pruzansky grades)
- Microtia/anotia
- Facial nerve weakness
- Soft tissue deficiency
- Macrostomia
- Preauricular tags
- Vertebral anomalies (Goldenhar)
Examination checklist
- Pruzansky grading predicts surgical approach
- Goldenhar = HFM + vertebral + eye anomalies
- Distraction useful in growing child
Immediate management
- Multidisciplinary craniofacial team
- Distraction osteogenesis (mandible)
- Costochondral graft for TMJ reconstruction
- Orthognathic surgery at skeletal maturity
- Ear reconstruction
Full atlas page →HPV-associated Oropharyngeal SCC
Oral CancerPresentation
- Painless neck lump (cystic level II lymphadenopathy) often presenting feature
- Sore throat, dysphagia, referred otalgia
- Tonsillar asymmetry or base-of-tongue mass
Examination checklist
- Cystic neck node in adult non-smoker → work up for HPV-OPSCC
- Test p16 on every OPSCC
Immediate management
- Concurrent chemoradiation (cisplatin) — standard for locally advanced disease
- Transoral robotic surgery (TORS) with neck dissection for selected T1-T2 lesions ± adjuvant therapy
- De-escalation trials ongoing (reduced-dose RT)
Full atlas page →Kaposi Sarcoma
Malignant TumorsPresentation
- Flat red-purple macule → plaque → nodule
- Hard palate most common oral site, then gingiva, tongue
- Multifocal, painless initially → ulceration and bleeding
- Cutaneous, GI, pulmonary involvement in advanced disease
Examination checklist
- Purple palatal lesion → biopsy and HIV test
- Assess extent (skin, GI, pulmonary)
Immediate management
- Optimise ART (mainstay for AIDS-KS)
- Local: intralesional vinblastine, radiotherapy, cryotherapy, sclerotherapy
- Systemic: liposomal doxorubicin, paclitaxel for advanced disease
- Reduce immunosuppression in transplant-related KS
Full atlas page →Lateral Periodontal Cyst
Odontogenic CystsPresentation
- No pain, no tooth mobility in most cases
- May present as a sessile gingival swelling (gingival cyst counterpart)
Examination checklist
- Vitality tests
- Periodontal probing
- IOPA + OPG
- CBCT if surgical planning needed
Red flags
- Multilocular appearance → botryoid variant, watch for recurrence
Follow-up
- Clinical + radiographic review at 6 and 12 months
- Botryoid: yearly for 5 years
Full atlas page →Le Fort Fractures
TraumaPresentation
- Facial oedema, ecchymosis
- Malocclusion, anterior open bite
- Mobile midface on rocking maxilla (I) or nasofrontal complex (II/III)
- CSF rhinorrhoea (II/III)
- Battle sign, raccoon eyes (III)
- Elongated (donkey) face
- Numbness in V2 distribution
Examination checklist
- Rock the maxilla to detect level
- Assess CSF rhinorrhoea
- Check vision and eye movements
Immediate management
- Airway priority (may need surgical airway)
- Cervical spine clearance
- Reduction and rigid internal fixation via facial buttress reconstruction
- Access: sublabial (I), subciliary/transconjunctival + sublabial (II), coronal + additional approaches (III)
- IMF or MMF as required
- Post-op: elemental diet, oral hygiene, IMF release protocol
Full atlas page →Leukoedema
White LesionsPresentation
- Completely asymptomatic — usually an incidental finding on routine examination
Examination checklist
- Inspect bilateral buccal mucosa
- Perform stretch test
- Reassure patient
Red flags
- Unilateral distribution (suggests another diagnosis)
- Persistence on stretching
- Any induration, ulceration or nodularity
Immediate management
- No treatment necessary
- Habit cessation (tobacco, alcohol) may reduce prominence
Follow-up
- No specific follow-up; routine dental review
Full atlas page →Leukoplakia
White LesionsPresentation
- Usually asymptomatic — discovered on routine exam
- Roughness or altered taste
- Pain, induration or bleeding suggest malignant change
Examination checklist
- Inspect all mucosal surfaces including floor of mouth and ventral tongue
- Palpate lesion for induration
- Photograph and measure
- Document habit history
- Plan biopsy site (most suspicious area)
Red flags
- Induration
- Ulceration or bleeding
- Rapid increase in size
- Speckled or nodular appearance
- Cervical lymphadenopathy
- Floor of mouth or ventral tongue location
Immediate management
- Vitamin A / retinoids (13-cis retinoic acid) — reduces size, does not prevent transformation
- β-carotene, lycopene supplementation
- Topical bleomycin (severe dysplasia, off-label)
Follow-up
- 3-monthly for first year
- 6-monthly for years 2–5
- Annually thereafter, lifelong for PVL / high-grade dysplasia
- Re-biopsy any change in colour, texture, symptoms
Full atlas page →Ludwig's Angina
Maxillofacial InfectionsPresentation
- Brawny bilateral submandibular swelling
- Raised, protruding, oedematous tongue ('woody floor of mouth')
- Trismus, dysphagia, drooling
- Stridor — impending airway obstruction
- Fever, toxicity
Immediate management
- Airway management is priority — fibre-optic intubation or elective tracheostomy
- IV broad-spectrum antibiotics (Amoxi-clav + metronidazole; add clindamycin/vancomycin for MRSA suspicion)
- Incision & drainage of all involved spaces
- Removal of causative tooth
Full atlas page →Mandibular Fracture
TraumaPresentation
- Malocclusion
- Step deformity, mobility, crepitus
- Sublingual haematoma (Coleman's sign)
- Numbness in mental nerve distribution
- Deviation of chin on opening (condylar #)
Immediate management
- Closed reduction: MMF / IMF for minimally displaced, condylar, paediatric
- Open reduction & internal fixation (ORIF): displaced, unfavourable, condylar with malocclusion, edentulous
- AO/Champy's principles of osteosynthesis
Full atlas page →Median Rhomboid Glossitis
Red LesionsPresentation
- Usually asymptomatic; incidental finding
- Occasional burning or foreign body sensation
Examination checklist
- Full tongue exam with retraction
- Assess palate for kissing lesion
- Ask about smoking and inhaler use
Red flags
- Non-healing after antifungal course
- Induration, ulceration or fixation
- Palatal kissing lesion — consider HIV screen
Immediate management
- Fluconazole, nystatin, miconazole
Follow-up
- Review at 4 weeks after antifungal course; re-biopsy if persists
Full atlas page →Medication-Related Osteonecrosis of the Jaws
Bone DiseasesPresentation
- Exposed necrotic bone
- Pain, swelling, halitosis, purulence
- Loose teeth, sinus tracts
- Mandible > maxilla (posterior)
Examination checklist
- Take a bisphosphonate history for EVERY extraction
- Educate patients on oral hygiene before starting antiresorptives
Immediate management
- Prevention key: dental screening BEFORE therapy; complete extractions with 4–6 wk healing
- Stage 0/1: chlorhexidine mouthwash, analgesia, careful monitoring
- Stage 2: antibiotics (amoxicillin/metronidazole), superficial debridement
- Stage 3: sequestrectomy/resection with reconstruction
- Drug holiday controversial — coordinate with oncologist; not evidence-based for denosumab
- Adjuncts: PRF, teriparatide (non-oncology), ozone, hyperbaric oxygen (limited evidence)
Full atlas page →Mucocele
Soft Tissue LesionsPresentation
- Painless, dome-shaped, bluish-translucent swelling
- Fluctuant
- History of trauma/lip biting
- May rupture and recur
Examination checklist
- Extravasation type lacks epithelial lining
- Lower lip most common site
- Remove gland to prevent recurrence
Immediate management
- Excision with associated minor salivary gland
- Marsupialization (ranula)
Full atlas page →Mucoepidermoid Carcinoma
Salivary Gland DisordersPresentation
- Painless slow-growing swelling (low grade) — may mimic mucocele on palate
- Rapidly growing painful mass with fixation, facial nerve palsy (high grade)
- Fluctuant bluish palatal swelling common
Examination checklist
- Bluish palatal swelling in adult → not a mucocele until proven otherwise
- Always image before biopsy of parotid mass
Immediate management
- Wide local excision with clear margins
- Parotid: superficial or total parotidectomy with facial nerve preservation
- Neck dissection for high-grade / cN+
- Adjuvant radiotherapy for high-grade, positive margins, perineural or vascular invasion
- Chemotherapy for palliation
Full atlas page →Mucous Membrane Pemphigoid
Vesiculobullous DiseasesPresentation
- Intact blisters (more common than pemphigus due to thicker roof)
- Desquamative gingivitis
- Positive Nikolsky sign (may be negative)
- Ocular: symblepharon, entropion, blindness
- Other sites: nose, pharynx, larynx, genitalia
Examination checklist
- Desquamative gingivitis common
- Ocular involvement → scarring → blindness
- DIF: linear BMZ
Red flags
- Ocular involvement
- Laryngeal involvement
Immediate management
- Mild oral: topical corticosteroids, tacrolimus
- Moderate: dapsone, tetracycline + niacinamide
- Severe/ocular: systemic steroids, azathioprine, mycophenolate, rituximab
Full atlas page →Mumps (Epidemic Parotitis)
Salivary Gland DisordersPresentation
- Prodrome: fever, malaise, myalgia, headache
- Painful bilateral parotid swelling (70%) with elevated earlobe
- Trismus, pain on chewing acidic foods
- Redness around Stensen duct opening without pus
- Orchitis, oophoritis, meningo-encephalitis, deafness
Examination checklist
- Bilateral parotid swelling with elevated earlobe
- Absence of pus at Stensen duct
Immediate management
- Supportive: hydration, analgesia, antipyretics, bed rest
- Isolation for 5 days after swelling onset
- No antivirals of proven benefit
Full atlas page →Nasolabial Cyst
Non-odontogenic CystsPresentation
- Cosmetic asymmetry
- Nasal airway obstruction on the affected side
- Occasional pain if infected
- Rarely intra-nasal discharge
Examination checklist
- Extra-oral inspection: alar elevation, groove obliteration
- Bimanual palpation of upper lip and nasal vestibule
- Anterior rhinoscopy for intra-nasal bulge
- Vitality tests of 12–24
- MRI / CT for confirmation
Red flags
- Rapid growth
- Induration or ulceration of overlying mucosa (biopsy)
- Recurrent infection
- Radiographic bone destruction — reconsider odontogenic origin
Immediate management
- Antibiotics only for secondary infection
- Analgesics as needed
Follow-up
- Clinical review at 1 week, 1 month and 6 months
- Endoscopic follow-up after transnasal marsupialisation to assess window patency
- Annual review for 2 years
Full atlas page →Nasopalatine Duct Cyst
Non-odontogenic CystsPresentation
- Bluish fluctuant midline palatal swelling
- Displacement or divergence of central incisor roots
- Occasional numbness of the anterior palate
- Rare purulent discharge if secondarily infected
Examination checklist
- Palpate anterior palate for fluctuant swelling
- Inspect labial vestibule for expansion
- EPT + cold on 11 and 21
- Occlusal radiograph for buccolingual extent
- CBCT if surgical planning required
Red flags
- Rapid growth
- Paraesthesia of upper lip / palate
- Non-vital adjacent tooth (re-consider radicular cyst)
- Ulceration or induration of overlying mucosa — biopsy immediately
Immediate management
- Antibiotics only for secondary infection (amoxicillin ± metronidazole)
- Analgesics as needed
Follow-up
- Clinical review at 1 week, 1 month, 6 months
- Radiographic review at 6 and 12 months for bony infill
- Annual review for large cysts
Full atlas page →Odontogenic Keratocyst
Odontogenic CystsPresentation
- Mild swelling, mobile teeth, occasional discharge
- In Gorlin syndrome: multiple BCCs, palmar/plantar pits, frontal bossing, calcified falx cerebri, hypertelorism
Examination checklist
- Full facial and skin exam (BCCs, palmar pits)
- Bimanual palpation of jaws
- OPG + CBCT
- Aspiration cytology
- Genetic history for Gorlin
- Photograph for records
Red flags
- Multiple cysts in a patient < 30 years
- Rapid recurrence
- Cortical perforation with soft-tissue mass
- Palmar/plantar pits, jaw cysts, calcified falx = Gorlin
- New paraesthesia post-op
Immediate management
- Vismodegib 150 mg/day for multiple/inoperable syndromic OKCs (evidence emerging; alopecia, dysgeusia are common side effects)
Follow-up
- Clinical + OPG every 6 months for 2 years
- Annually thereafter for a minimum of 10 years
- Lifelong review in Gorlin syndrome
- Genetic counselling for family members
Full atlas page →Odontogenic Myxoma
Odontogenic TumorsPresentation
- Egg-shell crackling
- Occasional paraesthesia if IAN involved
- Rarely painful
Examination checklist
- Bimanual palpation
- Nerve function (IAN, mental)
- OPG + CBCT ± MRI
- Aspiration before open biopsy
Red flags
- Rapid growth, paraesthesia, cortical perforation with soft-tissue mass — reconsider malignancy
Follow-up
- Clinical + OPG every 6 months for 2 years
- Annually for 5 years
- Selective CBCT/MRI on suspicion of recurrence
Full atlas page →Odontoma
Odontogenic TumorsPresentation
- Delayed / failed eruption of a permanent tooth
- Malposition of adjacent teeth
- Occasional expansion of cortical plates
Examination checklist
- Full eruption assessment
- OPG
- CBCT if unerupted tooth involved
- Family history for Gardner
Red flags
- Multiple odontomas — colonoscopy for Gardner syndrome
Follow-up
- Post-op OPG at 6 and 12 months
- Monitor eruption of associated tooth
Full atlas page →Oral Candidiasis
White LesionsPresentation
- Burning, altered taste (bitter, metallic)
- Sore mouth, dysphagia
- Pain on denture wear
- Cracked lip corners
Examination checklist
- Full oral exam, including under dentures
- KOH mount / smear
- Assess systemic risk factors
- Photograph lesions
Red flags
- Persistent lesions despite treatment (consider HIV, diabetes)
- Dysphagia — oesophageal extension
- Non-wipeable plaque (hyperplastic — biopsy)
- Recurrent candidiasis in adult without obvious cause
Immediate management
- Nystatin, miconazole, clotrimazole (topical)
- Fluconazole, itraconazole, voriconazole (systemic)
- Amphotericin B for invasive/refractory disease
Follow-up
- Reassess at 2 weeks after starting treatment
- Investigate for underlying HIV/diabetes/immunodeficiency in recurrent disease
Full atlas page →Oral Lichen Planus
White LesionsPresentation
- Asymptomatic in reticular type
- Burning, roughness, pain (atrophic/erosive)
- Sensitivity to spicy/acidic foods
- Bleeding from erosive lesions
Examination checklist
- Full mucocutaneous examination
- Photograph lesions
- Palpate for induration
- Assess pain score and function
- Document distribution map
Red flags
- Unilateral or asymmetric lesion (suggests lichenoid or leukoplakia)
- Induration or ulceration not healing on steroids
- Erosive form on lateral tongue / floor of mouth
- New red or nodular changes
Immediate management
- Topical clobetasol propionate 0.05% BD–TDS
- Topical tacrolimus 0.1% BD (short courses)
- Systemic prednisolone in severe erosive disease
- Nystatin/miconazole to prevent secondary candidiasis
Follow-up
- 3-monthly during active disease
- 6-monthly once controlled
- Annual review lifelong with re-biopsy of any changing lesion
Full atlas page →Oral Lipoma
Benign TumorsPresentation
- Soft, yellow, dome-shaped, freely mobile submucosal mass
- Painless, slow-growing
- Positive 'slip sign'
Examination checklist
- Slip sign, yellow hue transilluminates
- MRI shows fat signal
Immediate management
- Conservative surgical excision with capsule — curative
Full atlas page →Oral Manifestations of CKD
Systemic DiseasesPresentation
- Uraemic fetor (ammoniacal breath)
- Metallic taste
- Mucosal pallor from anaemia
- Xerostomia and enlarged salivary glands
- Uraemic stomatitis: white plaques/pseudomembranes
- Gingival bleeding, petechiae
- Delayed eruption, enamel hypoplasia in children
- Cyclosporine/nifedipine-induced gingival overgrowth in transplant recipients
Examination checklist
- Check dialysis schedule and access site
- Assess bleeding risk
- Screen for gingival overgrowth in transplant patients
Immediate management
- Coordinate care with nephrologist; treat on non-dialysis day, morning after dialysis
- Avoid nephrotoxic drugs (NSAIDs, tetracycline, aminoglycosides)
- Adjust doses (amoxicillin, aciclovir) per eGFR
- Use LA with epinephrine cautiously if hypertensive
- Manage bleeding with local haemostatics; consider DDAVP
- Endocarditis prophylaxis if indicated (AV fistula not itself an indication)
Full atlas page →Oral Manifestations of Diabetes Mellitus
Systemic DiseasesPresentation
- Periodontitis — the 'sixth complication' of diabetes
- Xerostomia, sialosis
- Candidiasis (especially denture stomatitis, angular cheilitis)
- Delayed wound healing, altered taste
- Recurrent oral abscesses
- Burning mouth sensation
Immediate management
- Glycaemic control (multidisciplinary)
- Aggressive periodontal therapy
- Antifungal therapy for candidiasis
- Saliva substitutes and stimulants
Full atlas page →Oral Manifestations of HIV/AIDS
Systemic DiseasesPresentation
- Pseudomembranous or erythematous candidiasis, angular cheilitis
- Oral hairy leukoplakia (EBV) — corrugated white patch on lateral tongue, cannot be wiped off
- Kaposi sarcoma — HHV-8, purple palatal macules/nodules
- Non-Hodgkin lymphoma
- Linear gingival erythema, necrotising ulcerative gingivitis/periodontitis/stomatitis
- Aphthous-like ulcers (major)
- Salivary gland disease with xerostomia and parotid enlargement
- HPV-associated warts
Examination checklist
- OHL and NUP are highly suggestive of HIV — investigate
- Check CD4 before invasive procedures
Immediate management
- Initiate/optimise antiretroviral therapy (mainstay)
- Candidiasis: topical nystatin/miconazole; systemic fluconazole for refractory
- OHL: aciclovir; recurs on stopping
- KS: ART ± intralesional vinblastine, radiotherapy, chemotherapy
- NUP: debridement + metronidazole + chlorhexidine + amoxicillin
- Standard universal infection control
Full atlas page →Oral Manifestations of Leukaemia
Systemic DiseasesPresentation
- Diffuse boggy gingival enlargement covering crowns (esp AML M4/M5)
- Spontaneous gingival bleeding, petechiae, ecchymoses (thrombocytopenia)
- Mucosal pallor (anaemia)
- Oral ulcers, opportunistic infections (candidiasis, HSV) from neutropenia
- Odontogenic infections that fail to resolve
- Chloroma (granulocytic sarcoma)
Examination checklist
- New gingival enlargement + spontaneous bleeding in adult → FBC same day
- Dental clearance before chemotherapy
Immediate management
- Refer to haematology-oncology urgently
- Delay elective dental treatment until remission
- Dental screening BEFORE chemotherapy: eliminate infection foci
- Chlorhexidine mouthwash, cryotherapy for mucositis
- Platelet cover (≥ 50 × 10⁹/L) for extractions
- Antibiotic prophylaxis if neutropenic
Full atlas page →Oral Melanoma
Pigmented LesionsPresentation
- Brown-black macule/nodule
- Irregular borders, variegated colour
- May be amelanotic (pink/red)
- Palate and maxillary gingiva most common
- Late: ulceration, satellite lesions, bone invasion
Examination checklist
- Palate/maxillary gingiva
- ABCDE criteria modified for mucosa
- IHC: S-100, HMB-45
Red flags
- New or changing pigmented lesion
- Irregular borders
- Rapid growth
- Ulceration
Immediate management
- Wide surgical excision (margins 1–2 cm when possible)
- Neck dissection if nodal disease
- Adjuvant immunotherapy (pembrolizumab, nivolumab)
- Radiotherapy (adjuvant/palliative)
Full atlas page →Oral Melanotic Macule
Pigmented LesionsPresentation
- Flat, brown to black macule
- Well-defined borders
- Usually <1 cm
- Non-elevated, non-palpable
Examination checklist
- Flat, well-circumscribed, stable size
- Normal melanocyte number
- Biopsy if atypical
Immediate management
- Observation if clinical diagnosis confident
- Excisional biopsy if doubt
Full atlas page →Oral Nevus
Pigmented LesionsPresentation
- Well-circumscribed, brown to blue-black macule or papule
- Commonly on hard palate
- Usually <6 mm
Examination checklist
- Palate most common site
- Blue nevus may be raised, deeply pigmented
- Biopsy to rule out melanoma
Immediate management
- Excisional biopsy for diagnosis
- No further treatment if benign
Full atlas page →Oral Schwannoma
Benign TumorsPresentation
- Slow-growing, painless, firm, submucosal nodule
- Usually solitary
- May cause paraesthesia if involving lingual/IAN
Examination checklist
- Solitary tongue nodule → biopsy
- MRI target sign
Immediate management
- Complete surgical excision with preservation of parent nerve fascicles
- Malignant transformation extremely rare
Full atlas page →Oral Squamous Cell Carcinoma
Oral CancerPresentation
- Non-healing ulcer > 3 weeks
- Indurated margins, everted edges
- Fixed to underlying tissues
- Cervical lymphadenopathy
- Common sites: lateral tongue, floor of mouth, gingiva
Immediate management
- Stage I–II: single-modality — surgery OR radiotherapy
- Stage III–IV: composite resection + neck dissection + adjuvant CRT
- Neck: elective SND for cN0 with DOI > 3 mm
- Targeted / immunotherapy: cetuximab, pembrolizumab, nivolumab for recurrent/metastatic
Full atlas page →Oral Submucous Fibrosis
Premalignant DisordersPresentation
- Burning sensation, especially with spicy food
- Blanched marble-like mucosa
- Palpable vertical fibrous bands
- Progressive trismus
- Depapillation of tongue
Immediate management
- Habit cessation (mandatory)
- Intralesional steroids ± hyaluronidase
- Placental extract injection, pentoxifylline, lycopene
- Surgical release of fibrous bands + reconstruction (buccal fat pad, nasolabial flap) for severe trismus
- Physiotherapy — mouth-opening exercises
Full atlas page →Oral Tuberculosis
Ulcerative DiseasesPresentation
- Chronic, painful, irregular ulcer
- Undermined edges
- Granular floor
- Tongue > palate > gingiva
- Regional lymphadenopathy
Examination checklist
- Chronic painful ulcer with undermined edges
- Tongue most common
- Always screen for pulmonary TB
Immediate management
- Standard ATT (RIPE regimen): Rifampicin, Isoniazid, Pyrazinamide, Ethambutol × 2 months, then RI × 4 months
Full atlas page →Orthognathic Surgery
Maxillofacial SurgeryPresentation
- Skeletal Class II/III
- Facial asymmetry
- Vertical maxillary excess/deficiency
- Obstructive sleep apnoea
Immediate management
- Pre-surgical orthodontics (decompensation)
- Surgery — osteotomies with rigid fixation
- Post-surgical orthodontics + retention
Full atlas page →Ossifying Fibroma
Fibro-osseous LesionsPresentation
- Slow-growing painless jaw swelling with bucco-lingual expansion
- Displacement of teeth
- Well-defined lesion — key distinction from fibrous dysplasia
Examination checklist
- Well-circumscribed vs FD's diffuse border
- Cortical bowing on CBCT
Immediate management
- Complete surgical enucleation with curettage of the bony cavity — curative
- Segmental resection for large or recurrent juvenile variants
Full atlas page →Osteomyelitis of the Jaws
Bone DiseasesPresentation
- Acute: deep throbbing pain, swelling, fever, trismus, tender teeth, Vincent sign (paraesthesia of lower lip)
- Chronic: recurrent swelling, sinuses, sequestra extruding through mucosa/skin
Examination checklist
- Vincent sign in acute mandibular osteomyelitis
- Sequestrum on plain film
Immediate management
- Culture-directed IV antibiotics — empirical: penicillin + metronidazole or clindamycin; continue 4–6 wk (longer for chronic)
- Surgical: drainage, sequestrectomy, saucerisation, decortication
- Resection with reconstruction for refractory cases
- Hyperbaric oxygen for refractory/ORN
- Control comorbidities (diabetes)
Full atlas page →Osteosarcoma of the Jaw
Malignant TumorsPresentation
- Rapidly growing swelling
- Paraesthesia (numb chin syndrome — mandibular)
- Loose teeth
Immediate management
- Radical resection with wide margins + neoadjuvant / adjuvant chemotherapy
- Post-op radiotherapy for positive margins
Full atlas page →Paget Disease of Bone
Bone DiseasesPresentation
- Progressive bone pain, deformity
- Enlarging cranial vault (hat size increases)
- Bilateral symmetrical jaw enlargement, spacing of teeth, denture becomes tight
- Deafness (cranial nerve VIII compression)
- High-output cardiac failure (rare)
Examination checklist
- Enlarging skull, ill-fitting dentures, isolated ALP rise
Immediate management
- Asymptomatic: monitor
- Symptomatic: bisphosphonates (single-dose IV zoledronate preferred) — normalises ALP
- Calcitonin (second line)
- Analgesia, orthopaedic surgery for fractures
- Dental: extractions difficult (dense bone, hypercementosis, bleeding); avoid elective surgery in active phase
Full atlas page →Pemphigus Vulgaris
Vesiculobullous DiseasesPresentation
- Oral lesions precede skin in 50–70%
- Flaccid bullae that rupture to painful erosions
- Positive Nikolsky sign
Immediate management
- Systemic corticosteroids (prednisolone 1 mg/kg/day)
- Steroid-sparing: azathioprine, mycophenolate mofetil
- Rituximab (first-line in moderate-severe disease per current guidelines)
Full atlas page →Periapical Abscess
Dental DiseasesPresentation
- Tender to percussion
- Mobility
- Regional lymphadenopathy
- Fluctuant swelling
Examination checklist
- Drainage is paramount; antibiotics without drainage fail
- Chronic abscess = radiolucency + sinus tract
- Extraction if non-restorable
Red flags
- Trismus
- Dysphagia
- Dyspnoea
- Floor of mouth elevation
- Fever >38.5°C
Immediate management
- Amoxicillin 500 mg TDS × 5 days
- Metronidazole add-on for anaerobes
- Analgesics
Full atlas page →Peripheral Giant Cell Granuloma
Soft Tissue LesionsPresentation
- Dark red-purple nodule on gingiva/alveolar ridge
- Sessile or pedunculated
- May cause superficial bone resorption ('cupping')
- Bleeds easily
Examination checklist
- ALWAYS on gingiva/ridge (not intra-osseous)
- Rule out hyperparathyroidism if recurrent
- Giant cells on histology
Immediate management
- Excision to periosteum
- Remove local irritants
- Curettage of underlying bone
Full atlas page →Pleomorphic Adenoma
Salivary Gland DisordersPresentation
- Painless, slow-growing, mobile, firm swelling
- Parotid: preauricular mass without facial nerve involvement
- Palatal: firm submucosal swelling posterolateral hard palate
- Long history (years)
Examination checklist
- Palpable, mobile, painless mass without facial nerve palsy
- Enucleation is inadequate
Immediate management
- Parotid: superficial parotidectomy with facial nerve preservation (deep lobe → total parotidectomy)
- Submandibular: gland excision
- Palate/minor gland: wide local excision including periosteum/bone
- Enucleation → 25–45% recurrence — obsolete
Full atlas page →Primary Herpetic Gingivostomatitis
Vesiculobullous DiseasesPresentation
- Prodrome: fever, malaise, irritability
- Oral: vesicles on keratinised and non-keratinised mucosa → shallow painful ulcers
- Fiery red, swollen, bleeding gingiva
- Cervical lymphadenopathy
- Resolves 10–14 days
Examination checklist
- Vesicles on ALL mucosa (keratinised + non-keratinised)
- Fiery red gingivitis
- Tzanck smear
Immediate management
- Supportive: hydration, soft diet, antipyretics
- Aciclovir (if within 72h onset): 15 mg/kg 5×/day × 7 days (children)
- Topical benzocaine, lidocaine gel for pain
Full atlas page →Pulpitis
Dental DiseasesPresentation
- Reversible: sharp, transient pain to cold/sweet, relieved on stimulus removal
- Irreversible: spontaneous, lingering pain, nocturnal exacerbation, poorly localised
Examination checklist
- Cold test: lingering >10s = irreversible
- EPT negative = necrosis
- Percussion tenderness = periapical involvement
Immediate management
- Reversible: remove irritant, sedative restoration
- Irreversible: root canal therapy or extraction
- Pulpotomy in young permanent teeth (MTA)
Full atlas page →Pyogenic Granuloma
Benign TumorsPresentation
- Rapidly growing red-purple pedunculated mass
- Bleeds easily
- Interdental papilla commonly affected
Immediate management
- Excision with removal of local irritants
- Recurrence 15%
Full atlas page →Radicular Cyst
Odontogenic CystsPresentation
- Discoloured non-vital tooth
- Tenderness on percussion when acutely infected
- Fluctuant swelling in vestibule
- Rarely paraesthesia (excludes malignancy)
Examination checklist
- Inspect for sinus / swelling / discolouration
- Palpate for expansion, egg-shell crackling
- Percuss suspected tooth
- Cold and EPT vitality tests
- Periapical + panoramic radiograph
- CBCT if extension unclear
- Aspiration in-office
Red flags
- Rapid growth
- Paraesthesia of lip or teeth
- Cortical perforation with soft-tissue mass
- Failure to heal 6 months after adequate RCT — biopsy mandatory to exclude neoplasm
Immediate management
- Antibiotics only if secondary infection (amoxicillin 500 mg TID × 5 d ± metronidazole)
- Analgesics as required
Follow-up
- Clinical + radiographic review at 3, 6, 12 months post-op
- Annual OPG until complete bony infill (usually 12–24 months)
- Long-term follow-up for large lesions or those adjacent to vital structures
Full atlas page →Ranula
Soft Tissue LesionsPresentation
- Unilateral, bluish, translucent swelling floor of mouth
- Soft, fluctuant
- May deviate tongue
- Plunging ranula: submandibular swelling with floor of mouth component
Examination checklist
- Ranula = mucocele of floor of mouth
- Plunging = through mylohyoid
- Marsupialization or gland removal
Immediate management
- Marsupialization (simple ranula)
- Excision of sublingual gland (recurrent/plunging)
- Transcervical approach for plunging ranula
Full atlas page →Recurrent Aphthous Stomatitis
Ulcerative DiseasesPresentation
- Prodrome of tingling
- Round ulcer, yellow-grey floor, erythematous halo
- Non-keratinised mucosa
Immediate management
- Topical corticosteroids (triamcinolone in Orabase)
- Chlorhexidine mouthwash
- Topical anaesthetics for symptom control
- Systemic steroids / colchicine for major RAS
Full atlas page →Sialolithiasis
Salivary Gland DisordersPresentation
- Meal-time swelling and pain ('sialoadenitis alimentaria')
- Palpable stone in duct
- Purulent discharge if infected
Immediate management
- Distal stones — intra-oral duct slitting (sialodochoplasty)
- Small stones (< 4 mm) — sialendoscopy ± lithotripsy
- Chronic hilar/parenchymal stones — gland excision
Full atlas page →Sjögren Syndrome
Salivary Gland DisordersPresentation
- Xerostomia: burning mouth, difficulty swallowing dry food, rampant caries
- Xerophthalmia: gritty eyes, keratoconjunctivitis sicca
- Bilateral parotid enlargement
- Fissured/depapillated tongue
- Extra-glandular: arthralgia, Raynaud, interstitial lung disease, neuropathy
Examination checklist
- Salivary flow test, Schirmer test, focus score biopsy
- Persistent unilateral parotid mass → exclude lymphoma
Immediate management
- Symptomatic sicca: artificial tears, saliva substitutes, sugar-free gum
- Muscarinic agonists (pilocarpine 5 mg qid, cevimeline)
- Systemic: hydroxychloroquine for arthralgia/fatigue; immunosuppression (methotrexate, rituximab) for severe extra-glandular disease
- Aggressive caries prevention: fluoride, chlorhexidine, sialogogues
Full atlas page →Smoker's Melanosis
Pigmented LesionsPresentation
- Diffuse brown pigmentation
- Anterior labial gingiva, lips, buccal mucosa
- Intensity correlates with smoking duration
- Usually bilateral
Examination checklist
- Anterior labial gingiva
- Reversible with smoking cessation
- Distinguish from melanoma by diffuse pattern
Immediate management
- Smoking cessation (pigmentation fades over months to years)
Full atlas page →Solitary Bone Cyst
Non-odontogenic CystsPresentation
- Mild bony expansion in a minority
- Percussion of overlying teeth non-tender
- No cortical perforation typically
Examination checklist
- Age (10–20 y)
- Site (posterior mandible)
- Vitality tests
- OPG for scalloping
- CBCT for extent
- Plan surgical exploration
Red flags
- Rapid growth
- Paraesthesia of lower lip
- Multilocular expansile lesion → reconsider ABC / CGCG / ameloblastoma
- Presence of epithelial lining on biopsy — reclassify
Immediate management
- Analgesia post-op
- No antibiotics unless secondary infection
Follow-up
- Clinical + OPG at 3, 6, 12 months
- Annual OPG until complete infill (typically 12 months)
Full atlas page →Temporomandibular Disorders
TMJ DisordersPresentation
- Preauricular pain
- Clicking / crepitus
- Restricted mouth opening
- Deviation on opening
Immediate management
- Conservative: patient education, soft diet, NSAIDs, occlusal splints, physiotherapy
- Minimally invasive: arthrocentesis, intra-articular steroids/hyaluronate
- Surgical: arthroscopy, discoplasty, condylectomy, total joint replacement for end-stage disease
Full atlas page →TMJ Ankylosis
TMJ DisordersPresentation
- Reduced or absent mouth opening
- Micrognathia (unilateral: chin deviation to affected side; bilateral: bird-face)
- Sleep-disordered breathing/OSA
- Poor oral hygiene, dental crowding
Examination checklist
- Measure MIO
- Assess airway (OSA)
- Type on CT
Immediate management
- Aggressive early release to prevent deformity and OSA
- Kaban protocol: (1) aggressive gap arthroplasty ≥1.5 cm, (2) ipsilateral coronoidectomy, (3) contralateral coronoidectomy if opening <35 mm, (4) interpositional material (temporalis flap or alloplastic), (5) rigid fixation with early mobilisation, (6) aggressive physiotherapy for ≥6 months
- Costochondral graft in growing children; TMJ prosthesis in adults
Full atlas page →Torus Palatinus & Mandibularis
Benign TumorsPresentation
- Slow-growing, painless, bony-hard midline palatal or bilateral lingual mandibular swellings
- Thin overlying mucosa prone to trauma ulceration
- May interfere with denture seating or speech
Examination checklist
- Bilateral lingual mandibular = pathognomonic
- Rule out Gardner syndrome if multiple osteomas
Immediate management
- No treatment required unless: interferes with prosthesis, causes speech problems, chronic mucosal trauma, or patient concern
- Surgical removal: elevate mucoperiosteal flap, section with bur/osteotome, smooth with file, tension-free closure
Full atlas page →Traumatic Fibroma
Soft Tissue LesionsPresentation
- Smooth, dome-shaped, firm, pink nodule
- Usually < 1.5 cm
- Buccal mucosa along occlusal plane most common
Immediate management
- Conservative surgical excision with removal of irritant
Full atlas page →Traumatic Ulcer
Ulcerative DiseasesPresentation
- Painful ulcer with erythematous halo
- Yellow-white fibrin base
- Adjacent to identifiable traumatic source
- Heals within 10–14 days after cause removal
Examination checklist
- Identifiable cause
- Heals 10-14 days
- Biopsy if non-healing
Red flags
- No healing >2 weeks
- Indurated margins
- Lymphadenopathy
Immediate management
- Remove traumatic agent
- Smooth sharp edges
- Topical analgesics/steroids
- Chlorhexidine rinse
Full atlas page →Verrucous Carcinoma
Oral CancerPresentation
- Slow-growing exophytic, cauliflower-like, white-warty painless lesion
- May cover a large area and cause bone erosion (pressure-type)
- Rarely metastasises to lymph nodes
Examination checklist
- Take deep biopsy for diagnosis
- No need for elective neck dissection
Immediate management
- Wide surgical excision with 1 cm margin — treatment of choice
- Neck dissection generally NOT required (nodes rare)
- Radiotherapy avoided historically due to reported anaplastic transformation; contemporary evidence limited
- Cryotherapy or laser for small lesions
Full atlas page →White Sponge Nevus
White LesionsPresentation
- Asymptomatic; occasional roughness reported
Examination checklist
- Full oral exam
- Ask about siblings/parents
- Look for extra-oral mucosal lesions
Red flags
- Adult onset (reconsider diagnosis)
- Unilateral distribution
- Malignant features (very rare)
Immediate management
- Tetracycline oral rinse 250 mg in 5 ml water swish 4×/day (anecdotal)
- Topical retinoids (limited efficacy)
Follow-up
- No specific follow-up needed once diagnosed
Full atlas page →Zygomatic Complex Fracture
TraumaPresentation
- Flattening of malar prominence (masked by early oedema)
- Periorbital ecchymosis, subconjunctival haemorrhage extending posteriorly
- Infraorbital paraesthesia (V2)
- Diplopia, enophthalmos, hypoglobus
- Trismus (impingement on coronoid)
- Step deformity at infraorbital rim, zygomatic buttress, frontozygomatic suture
Examination checklist
- Assess vision — retrobulbar haemorrhage is an emergency
- Palpate all four articulations
- Test V2 sensation
Immediate management
- Undisplaced/minimally displaced without functional deficit: conservative + soft diet 4–6 wk + avoid sleep on affected side
- Displaced: open reduction with internal fixation via combined approaches: (1) frontozygomatic (upper eyelid or lateral brow), (2) infraorbital rim (subciliary/transconjunctival), (3) zygomaticomaxillary buttress (sublabial)
- Fix at 2–3 points depending on stability; Gillies temporal approach for pure arch fractures
- Orbital floor reconstruction if defect > 2 cm² or entrapment
Full atlas page →