Affiliation:
1. Brånemark Clinic Gothenburg Public Dental Health Care Region Västra Götaland Gothenburg Sweden
2. Department of Prosthodontics/Dental Materials Science, The Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
3. Department of Oral and Maxillofacial radiology, The Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
Abstract
AbstractObjectivesThis retrospective study aimed to evaluate long‐term clinical and radiologic performance of anodized surface implants supporting single implant restorations.Materials and MethodsPatients who received at least one anodized surface implant for a single‐tooth restoration between 2003 and 2004 in the Brånemark clinic (Göteborg, Sweden) were included in the study. The assessed outcomes included implant survival, biological and technical complications, as well as marginal bone levels (MBL) based on radiographs. Baseline data on patient demographics, implant placement, and surgery details were also collected. The cumulative survival rate (CSR) was calculated using the Kaplan–Meier survival analysis.ResultsThe study included 97 patients with 129 implants. Mean patient age at the time of implant placement was 31.7 ± 16.4 years. All implants were placed in a two‐stage approach with delayed loading. The last follow‐up visit was on average 13.4 ± 4.8 years after implant insertion. Three implants failed, yielding the implant‐level 15‐year CSR of 97.4%. Majority of the implants had no biological (70.5%) nor technical (81.4%) complications. The mean MBL was −1.0 ± 0.7 mm (n = 101) at prosthetic placement and −1.8 ± 1.0 mm (n = 80) at the last follow‐up, while the mean marginal bone loss (MBL) from prosthetic placement to last follow‐up was 0.6 ± 1.1 mm (n = 65).ConclusionsModerately rough anodized implants have shown favorable long‐term outcomessingle‐tooth indication, with high survival and a low rate of technical complications. Furthermore, long‐term studies are needed to present longitudinal data on peri‐implantitis.
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