Fig. 1From: Squamous cell carcinoma around a subperiosteal implant in the maxilla and the association of chronic mechanical irritation and peri-implantitis: a case reportFrontal view of an intraoral photograph showing a molar prosthesis attached to the metal framework (A). Palatal view of an intraoral photograph showing the metal framework exposed through the fistula with an undermined ulcer (B)Back to article page