Fig. 2

Pie charts that summarize the demographics, risk factors, clinical features, and pathological findings of the PIOM patients. The incidence of carcinomas next to dental implants is low but may attain clinical relevance with increasing dental implant treatment. For pathological staging (pStage), histological features, and bone involvement, only patients diagnosed with oral squamous cell carcinomas (OSCCs) were included. M, male; F, female; E, exophytic; U, ulcerative; SCC, squamous cell carcinoma; pStage, pathological staging