AtlasPigmentedAmalgam Tattoo

Pigmented Lesions

Amalgam Tattoo

Focal grey-black macule caused by iatrogenic implantation of amalgam particles into oral mucosa.

§ overviewOverview

Focal grey-black macule caused by iatrogenic implantation of amalgam particles into oral mucosa.

§ clinicalClinical Features

  • 01Painless flat blue-grey macule
  • 02Gingiva or alveolar mucosa adjacent to restorations

§ differentialDifferential Diagnosis

  • 01Melanotic macule
  • 02Nevus
  • 03Melanoma
  • 04Kaposi sarcoma

§ radiographicRadiographic Features

  • 01May show radiopaque particles

§ treatmentTreatment

  • 01No treatment; biopsy if diagnosis uncertain

§ prognosisPrognosis

Excellent, benign.

Draft — pending faculty review. Educational use only; verify against current guidelines and primary sources before clinical application.