Abstract
PurposeThe incidence of oral squamous cell carcinomas (OSCC) arising around dental implants will increase because of the rising popularity of dental implants. In this case, a novel surgical treatment of an OSCC in the vicinity of endosseous implants is reported.Materials and methodsIn a 69-year-old woman, a recurrent OSCC (cT2N0M0) developed in the floor of the mouth extending to the attached keratinized peri-implant mucosa of both interforaminal-placed dental implants. Radiographically, no bone invasion could be observed.ResultsTo radically remove the tumor, a marginal mandibulectomy was performed including the cranial parts of both dental implants by cutting them into two parts. Three years after tumor resection and one year after reimplantation, the patient is disease free and has a good oral function.ConclusionsIn case of an OSCC, traditional bone and soft margins for oncologic safety are 1.0 cm. If a dental implant is present within this safety zone, on condition, there is no massive bone invasion, and the original mandible has sufficient vertical height; a marginal mandibulectomy including part of the implants can be considered.
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