University of Michigan
The purpose of this study is to study the use of a new type of d-PTFE membrane called reinforced PTFE Mesh (RPM) with dental surgery. The regenerative outcomes of RPM membranes and collagen membrane for surgical reconstructive treatment of peri-implantitis (gum disease around implants) will be compared.
Peri-implantitis is an inflammatory response that leads to irreversible loss of implant supporting bone. This study will investigate the regenerative outcomes obtained with two membranes for surgical reconstructive treatment of peri-implantitis defects when the implant is submerged and primary wound closure is obtained. In one group the newly designed d-PTFE membrane with macropores, known as the RPM membrane will be utilized, which will be compared to the traditional collagen membrane used in the other group. The clinical, radiographic, and histologic outcomes for the regenerative treatment o…
Inclusion Criteria: * Age ≥ 18 years * Physical status according to the American Society of Anesthesiology (ASA) I or II, which include patients who are systematically healthy or may suffer from mild to moderate, however well-controlled systemic diseases. * Subjects having at least one dental implant with peri-implantitis according to the definition proposed by the 2017 World Workshop on the Classification of Periodontal and Peri-Implant Diseases and Conditions (Berglundh et al., 2018): * Full-mouth plaque score and full-mouth bleeding score ≤ 20% (measured at four sites per tooth) * Correct…
The diseased dental implant will be cleaned and the bone defect will be filled with bone graft and covered by a membrane.
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