Tapered and cylindrical implants offer comparable clinical performance, suggests study
Tapered and cylindrical implants offer comparable clinical performance, suggests a study published in the Journal of Prosthetic Dentistry.
Although tapered and cylindrical implants have been widely used, a consensus on which macrogeometry offers better clinical performance is lacking. The purpose of this systematic review and meta-analysis was to evaluate the influence of different macrogeometries (tapered and cylindrical) on the clinical performance of dental implants.
The study was registered in the international prospective register of systematic reviews (PROSPERO) database (CRD42022347436). A search for clinical studies was conducted in 6 databases to identify randomized controlled clinical trials that evaluated the effectiveness of tapered and cylindrical implants placed in the maxilla or mandible of adult patients that had at least 1 clinical performance parameter as outcome. The risk of bias was evaluated using the revised Cochrane Risk-of-Bias Tool (RoB 2) tool. Meta-analyses on implant survival and success, marginal bone loss (MBL), implant stability (ISQ), and torque insertion (TI) were performed, with the certainty of evidence evaluated using the grading of recommendations, assessment, development, and evaluations (GRADE) checklist. Results: Of the 18 included studies, 7 had a low risk, 6 had some concerns, and 5 had a high risk of bias.
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