Resistência a fratura dos dentes reabilitados com retentores intrarradiculares fabricados com tecnologia CAD/CAM com retentores pré-fabricados de fibra de vidro: uma revisão sistemática de literatura

Abstract

Objective: the aim of this systematic review was to evaluate the available studies and to provide a perspective based on scientific evidence on the resistance to fracture of teeth rehabilitated with posts milled by technology CAD/CAM compared to teeth with prefabricated glass fiber posts. Methodology: this study was conducted following the guidelines of PRISMA 2009 (Preferred Reporting Items for Systematic Reviews and Meta-analysis). Searches were performed using the electronic databases PubMed, Cochrane Library, Web of Science and BVS (Lilacs and BBO), a Google Scholar search and a manual search in the Journal of Dentistry, Journal of Endodontics and International Endodontic Journal in the last editions of the five years. There were no year and language restrictions. The eligibility requirement was based on the PICOS strategy (PRISMA-P 2016) and laboratory studies with human teeth, CAD/CAM milled post, prefabricated fiberglass post and evaluating fracture resistance were included. Studies that did not compare the prefabricated fiberglass post with the CAD/CAM post were excluded. The selection process, data collection and assessment of the risk of bias in the studies was performed by two independent reviewers and in case of disagreement, a third reviewer was consulted. A meta-analysis was performed using the Reviewer Manager software (P<0.05) and included studies providing the standardized mean difference (SMD), adopting a confidence interval of 95%. Conclusion: Considering the limitations of this systematic, the CAD-CAM posts showed similar results in terms of fracture resistance and can be considered an alternative for the rehabilitation of endodontically treated teeth.