Microbial Characteristics of Peri-Implantitis: A Case-Control Study
2017
Background: The aim of this case-control study is to compare oral microbiologic characteristics of patients with healthy peri-implant conditions and patients with peri-implantitis and to explore the influence of various patient- and implant-related factors on microbiologic characteristics.Methods: Peri-implant submucosal microbial samples were collected from 85 patients with peri-implantitis (cases) and from 69 patients with only implants with healthy peri-implant conditions (controls). Samples were analyzed using culturing techniques. Multivariable logistic regression was used to explore the association of disease status and various patient- and implant-related factors (sex, patient age, smoking, number of remaining teeth, percentage of teeth with bone loss, implant function time, implant surface, and presence of plaque) with microbiologic characteristics.Results: Peri-implant disease status was significantly associated with the submucosal presence of Porphyromonas gingivalis (Pg), Prevotella intermedia ...
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