Re-treatment of failed maxillary implant sites with severe bone loss from peri-implant disease: case series

Abstract

associated complications is rising (2).The consensus report of workgroup 4 of the 2017 World Workshop on the Classification of Periodontal and Peri-Implant Diseases and Conditions has defined peri-implantitis as "a plaque-associated pathological condition occurring in tissues around dental implants, characterized by inflammation in the peri-implant mucosa and subsequent progressive loss of supporting bone" (3). It has been estimated that the average rate of peri-implantitis ranges between 15-