Marco Tallarico1, Martina Caneva2, Silvio Mario Meloni3, Erta Xhanari4, Ugo Covani5, Luigi Canullo6. 1. Adjunct Professor, Implantology and Prosthetic Aspects, Master of Science in Dentistry Program, Aldent University, Tirana, Albania; Private Practice, Rome, Italy. Electronic address: me@studiomarcotallarico.it. 2. Graduate Student, ARDEC Academy, Ariminum Odontologica Srl, Rimini, Italy. 3. Adjunct Professor, Surgical Microsurgical and Medical Science Department, University of Sassari, Sassari, Italy. 4. Assistant Professor, Aldent University, Tirana, Albania; Private Practice, Tirana, Albania. 5. Full Professor, Istituto Stomatologico Toscano, Camaiore, Italy. 6. Visiting Professor, University of Valencia, Valencia, Spain; Private Practice, Rome, Italy.
Abstract
PURPOSE: To assess whether repeated abutment disconnections and reconnections have any impact on peri-implant bone resorption and soft tissue healing. MATERIALS AND METHODS: Electronic and manual searches were conducted for English-language articles published up to March 2017 that identified a relation between repeated disconnections of implant abutments (PA group) and prosthetic or implant failures, complications, marginal bone loss (MBL), soft tissue healing, and esthetic evaluation (pink esthetic score [PES]) after at least 1 year of function compared with implants receiving a final abutment at the time of implant placement (DA group). RESULTS: Fourteen articles (535 patients with 994 implants) were selected for qualitative analysis. Six of these were included in the meta-analysis. Five prostheses failed in the PA group and 1 failed in the DA group (P = .1047). Seven biologic complications occurred in the PA group and 6 occurred in the DA group (P = .8121). MBL was significantly less in the DA group (difference, 0.279 mm; P = .000). Greater buccal recession occurred in the PA group (difference, 0.198 mm; P = .0004). The PES evaluation showed no differences between groups (P = .289). CONCLUSIONS: Repeated abutment disconnections and reconnections considerably increased MBL and buccal recession. Further studies are needed to confirm these results.
PURPOSE: To assess whether repeated abutment disconnections and reconnections have any impact on peri-implant bone resorption and soft tissue healing. MATERIALS AND METHODS: Electronic and manual searches were conducted for English-language articles published up to March 2017 that identified a relation between repeated disconnections of implant abutments (PA group) and prosthetic or implant failures, complications, marginal bone loss (MBL), soft tissue healing, and esthetic evaluation (pink esthetic score [PES]) after at least 1 year of function compared with implants receiving a final abutment at the time of implant placement (DA group). RESULTS: Fourteen articles (535 patients with 994 implants) were selected for qualitative analysis. Six of these were included in the meta-analysis. Five prostheses failed in the PA group and 1 failed in the DA group (P = .1047). Seven biologic complications occurred in the PA group and 6 occurred in the DA group (P = .8121). MBL was significantly less in the DA group (difference, 0.279 mm; P = .000). Greater buccal recession occurred in the PA group (difference, 0.198 mm; P = .0004). The PES evaluation showed no differences between groups (P = .289). CONCLUSIONS: Repeated abutment disconnections and reconnections considerably increased MBL and buccal recession. Further studies are needed to confirm these results.
Authors: Sandra AlTarawneh; Ahmad A S Hamdan; Abeer Alhadidi; Susan Hattar; Mohammad Al-Rabab'ah; Zaid Baqain Journal: Dent Res J (Isfahan) Date: 2020-03-17
Authors: Mariane B Sordi; Vittoria Perrotti; Flavia Iaculli; Keila C R Pereira; Ricardo S Magini; Stefan Renvert; Stefano Antonio Gattone; Adriano Piattelli; Marco A Bianchini Journal: Clin Oral Investig Date: 2020-11-05 Impact factor: 3.573