Fig. 6From: Squamous cell carcinoma around a subperiosteal implant in the maxilla and the association of chronic mechanical irritation and peri-implantitis: a case reportEnergy-dispersive X-ray analysis (EDX) of the subperiosteal implant (SI) shows a few elements (Ti, Si, and P) (A), while EDX of the resected specimen shows Si and P, but not titanium (B). Scanning electron microscopy of the SI in contact with the squamous cell carcinoma shows a few microcracks (C)Back to article page