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Volume 41 , Issue 6
November/December 2021
Pages 903–910

Late Maxillary Sinus Graft Infections Due to Peri-implantitis: Case Reports with Histologic Analysis

Tiziano Testori, MD, DDS/Hom-Lay Wang, DDS, MSD, PhD/Stephen S. Wallace, DDS/Adriano Piattelli, MD, DDS/Giovanna Iezzi, DDS, PhD/Lorenzo Tavelli, DDS/Margherita Tumedei, DDS, PhD/Raffaele Vinci, MD, DMD, MFS/Massimo Del Fabbro, MSc, PhD

PMID: 34818399
DOI: 10.11607/prd.4558

Maxillary sinus grafting is generally a safe procedure. However, intraoperative complications, as well as early and late postoperative complications, may occur. Included in the latter group are graft infections that can be triggered by peri-implantitis. The aim of the present study was to report three cases of late maxillary sinus graft infections and to histologically evaluate the effects of peri-implantitis in the grafted area. In peri-implantitis cases in grafted sinuses, the sole removal of the implant along with accompanying debridement of the infected area may not be sufficient to resolve the infection, and a more-aggressive treatment may be necessary.

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