The negative effects of smoking and poor oral hygiene on the outcome of implant placement can be related to many factors, and their mechanism can be mediated by both local and systemic biological pathways. The effects of smoking on the survival and success of implants are more pronounced in areas of poor trabecular bone quality. In this report, we present a case of a 64-year-old patient with low oral hygiene and multiple upper jaw gangrenous roots. Relatives reported that the patient suffers from chronic alcoholism and tobacco abuse. The patient insisted on implant treatment, which he was subsequently subjected to, although he is warned about the risks. The oral cavity was rehabilitated and the existing gangrenous roots were extracted under antibiotic therapy including penicillin. In the postoperative period, extremely good wound healing of the patient was observed, with no early or late bleeding..
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