Abstract
BackgroundThis review evaluates, as a primary outcome, which surgical technique (open vs. closed) and which type of material used for the auxiliaries (elastic vs. metallic) were preferable in terms of periodontal results during the treatment of palatal-impacted canines. The timing of the evaluation of the results was also assessed as a secondary outcome.MethodsAn electronic search of the literature up to March 2021 was performed on Pubmed, MEDLINE (via Pubmed), EMBASE (via Ovid), Cochrane Reviews and Cochrane Register of Controlled Trials (RCTs) (CENTRAL). The risk of bias evaluation was performed using version 2 of the Cochrane risk of bias tool (RoB 2) for RCTs and the ACROBAT NRSI tool of Cochrane for non-RCTs.Results11 articles met the inclusion criteria. Only one RCT was assessed as having a low risk of bias and all the non-RCTs were assessed as having a serious risk of bias. This review revealed better periodontal results for the closed technique and metallic auxiliaries. In addition, it revealed that the timing of the evaluation of the results affects the periodontal results with better results obtained 2 years after the end of treatment.ConclusionIn the treatment of a palatal-impacted canine, the closed technique and metallic auxiliaries should be preferred in terms of better periodontal results. The timing of the evaluation of the results affects the periodontal results.
Highlights
This review evaluates, as a primary outcome, which surgical technique and which type of material used for the auxiliaries were preferable in terms of periodontal results during the treatment of palatal-impacted canines
Clinicians debate whether the open [10] or the closed [11] surgical approach during surgical-orthodontic treatment should be the treatment of choice for palatally-displaced canines
Abstracts were read and 213 articles were excluded because they did not meet the inclusion criteria: 53 articles were deleted because they were published before 1990, 93 articles were excluded because of the study type, 41 articles were excluded due to the therapeutic approach type, 26 were excluded because it was not specified whether the results were for palatal or buccal impacted canines
Summary
This review evaluates, as a primary outcome, which surgical technique (open vs. closed) and which type of material used for the auxiliaries (elastic vs. metallic) were preferable in terms of periodontal results during the treatment of palatal-impacted canines. The timing of the evaluation of the results was assessed as a secondary outcome. The impaction of permanent maxillary canine affects 1–3% of the general population [1, 2]; this issue is twice as frequent in females as compared to males [3]; and is more frequently unilateral than bilateral [3, 4]. Clinicians debate whether the open [10] or the closed [11] surgical approach during surgical-orthodontic treatment should be the treatment of choice for palatally-displaced canines
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