Soft Tissue Lesions
Traumatic Fibroma
aka Irritation fibroma · Focal fibrous hyperplasia
The most common reactive soft-tissue lesion of the oral cavity, arising from chronic low-grade trauma.
§ overviewOverview
A focal reactive hyperplasia of fibrous connective tissue in response to persistent local irritation.
§ etiologyEtiology
- 01Cheek biting
- 02Denture trauma
- 03Sharp restoration margins
§ clinicalClinical Features
- 01Smooth, dome-shaped, firm, pink nodule
- 02Usually < 1.5 cm
- 03Buccal mucosa along occlusal plane most common
§ differentialDifferential Diagnosis
- 01Giant cell fibroma
- 02Peripheral ossifying fibroma
- 03Neurofibroma
- 04Lipoma
§ histopathHistopathology
- 01Dense collagenised fibrous connective tissue
- 02Surface stratified squamous epithelium — often hyperkeratotic
§ treatmentTreatment
- 01Conservative surgical excision with removal of irritant
§ prognosisPrognosis
Excellent; recurrence rare if irritant removed.
§ pearlsClinical Pearls
- 01Firm, painless, and non-blanching — clinical diagnosis, histology confirms.
Draft — pending faculty review. Educational use only; verify against current guidelines and primary sources before clinical application.