<p>Viral and fungal infections, autoimmune conditions, immunodeficiency, drug reactions, contact allergy, and trauma all can precipitate punctate oral lesions. Herpetic lesions must be distinguished...
Oral nevi, melanotic macules on the lip, atypical amalgam tattoos, melanoacanthomas, and lesions caused by embedded foreign bodies or by perforating injuries of the oral mucosa all require biopsy, since...