Abstract
AbstractBackgroundDental implant treatment is effective for missing teeth, but it can cause peri‐implantitis. Chronic inflammation may be involved in the development of malignancy. We report three cases of gingival cancer that may have been associated with peri‐implantitis.Case PresentationAll three patients were referred to our department for detailed examination of a mass or ulcerative lesion around implants placed in their family dental clinics. One case of cancer was associated with oral lichen planus and peri‐implantitis. Two cases of cancer were associated with peri‐implantitis. Surgery for gingival cancer was successfully performed. All three pathological diagnoses were well‐differentiated squamous cell carcinoma.ConclusionChronic inflammation is a risk factor for malignant tumors, suggesting the importance of its maintenance.
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