Association Between Clinical and Microbiologic Cluster Profiles and Peri-implantitis

Area of Science:

• Dental Implantology
• Periodontology
• Biomaterials Science

Background:

• Peri-implantitis, a complication affecting dental implants, has an unclear correlation with local factors.
• Understanding these associations is crucial for disease classification and targeted treatment.

Purpose of the Study:

• To investigate the association between clinical, microbiologic profiles, and peri-implantitis.
• To categorize peri-implantitis based on potential local triggering factors.

Main Methods:

• Clinical, radiographic, occlusal, and microbiologic data were collected from implants with peri-implantitis.
• Cases were classified into five groups: surgical, prosthetic, biomechanical, plaque-associated, or combined factors.
• Generalized estimating equations and cluster analyses were employed.

Main Results:

• The biomechanically associated group had higher internal microbiologic contamination; the plaque-associated group showed greater peri-implant sulcus microbial diversity.
• Cluster analyses successfully predicted associated peri-implantitis factors.
• Radiographic marginal bone loss and implant width were most influential.

Conclusions:

• Peri-implantitis is primarily plaque-induced but influenced by local factors that promote plaque retention.
• Classifying peri-implantitis by associated surgical, prosthetic, and biomechanical factors can improve etiological targeting.