A comparison of peri-implant health across different types of implantsupported prostheses and anatomical locations: a cross-sectional observational study.

Background: Several patient and implant level factors influence the success of dental implants. This study aims to evaluate the clinical outcomes of peri-implant soft tissue across several types of implant-supported prostheses and anatomic locations at the implant level.

Methods: This cross-sectional observational study included a purposive sample of adult patients with at least one dental implant and a variety of implant-supported prosthesis types over a 3-month period. Clinical assessments conducted for each implant included bleeding on probing, presence of suppuration, and implant probing depth. The data analyzed the relationship between the implant-supported prosthesis type and anatomic location on the peri-implant clinical outcomes.

Results: Evaluated in this study were 134 participants with 456 implants distributed between the mandible (44%) and maxilla (56%) and the posterior (67%) and the anterior (33%). The clinical assessment revealed that implants with probing depths of 6 millimeters or greater had a significantly higher risk of suppuration compared to those with probing depths of 5 millimeters or less (P < .001). Full arch implant-supported fixed dental prostheses were associated with higher rates of bleeding on probing and suppuration compared to single tooth implants (P < .001). Anterior implants showed more bleeding than posterior implants (P = .02), whereas implants in the maxilla exhibited less bleeding than those in the mandible (P = .003).

Conclusion: This study highlights the impact of the type of implant-supported prosthesis and anatomic location on peri-implant health, emphasizing the need for monitoring of full arch implant-supported fixed dental prostheses, implants with probing depths ≥6 mm, and implants placed in the anterior or mandible.