Gokce Soganci Unsal, Ilser Turkylmaz, Samantha Lakhia
Background: The purpose of this study is to review the available literature associated with implant surgery using computer-aided design/computer-aided manufacturing (CAD/CAM) surgical guides and discuss the advantages and disadvantages of this advanced technique. Material and Methods: An electronic literature search was conducted in the PubMed database for the relevant in-formation on implant placement with CAD/CAM surgical guides. This review was constructed following PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. Articles were limited to those published within the past 10 years and in the English language. Only clinical studies were included. Inclusion cri-teria were: studies including 10 implants or more and studies presenting angular deviations in degrees and linear deviations in millimeter. Observational studies, reviews, animal studies, in vitro studies, case reports, simulation studies were excluded. Nine articles were included for qualitative synthesis. Results: The initial search detected 61 articles, and after screening abstracts, a total of 15 articles were selected for full-text review. After the full-text analysis of the 15 articles, six articles were excluded as they did not meet inclusion criteria for study design, study population, and implant placement with data presentation for angular and linear deviations. Ultimately, nine articles providing angular and linear deviations between planned and actual pla-ced implants were used in this review. Common problems that may be encountered by clinicians were listed, and recommendations were made on how to avoid those problems.Conclusions: It has been suggested that although unrealistic expectations are often associated with implant place-ment with CAD/CAM surgical guides, there is no impeccable accuracy in the clinic. This review demonstrated that the practitioners should be aware of the angular and linear deviations up to 5 ° and 2.3 mm. Therefore, inexperien-ced dentists should obtain adequate training and be familiar with the basic steps with CAD/CAM surgical guides to avoid complications.
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