Primary Oral Malignancy Imitating Peri-Implantitis.

Purpose: To describe new cases of primary malignancy arising around dental implants.

Materials And Methods: Three patients presented with asymptomatic lesions around longstanding dental implants that resembled peri-implantitis. One case was primary large B-cell lymphoma and the remaining cases were primary squamous cell carcinoma in patients with oral lichen planus.