Two surgical approaches ( open and closed) for palatally displaced canines were compared in this multi-centre RCT. No differences in operating time was seen between the two approaches but those in the open group had more pain.
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8 mainly observational studies were included in this review of he effectiveness of clear aligners compared with fixed appliances for orthodontic treatment. The findings suggest no difference between to two approaches however the quality of the availabel evidence is low to very low.
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This review assessing whether adhesive precoated orthodontic brackets are more efficient than operator-coated brackets included 5 RCTs find no differences in failure rate between the two systems.
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This review of the effectiveness of chemomechanical caries removal in primary teeth identified 15 studies with 10 contributing to the quantitative analysis. The findings suggest this approach is less painful but takes longer than traditional approaches.
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Only 4 mainly retrospective studies were identified for this review of the influence of orthodontic bracket size on treatment outcomes. While greater efficiency was suggested with the 0.018-inch bracket the quality of the evidence is limited a higher quality studies are needed.
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This well conducted and reported trial compared customised orthodontic system against traditional methods. The customised system was not associated with any significant reduction in treatment duration, and the treatment outcomes were comparable with both systems.
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25 studies include 20 RCTs and 5 controlled trials were included this review. They were all conducted in a hospital or university setting and found that treatment duration was on average 19.9 months (95% CI; 19.58 to 20.22 months) over 17.81visits ( 95%CI; 19.71 to 20.32 months)
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This 3-centre randomised trial, involving 138 patients, found no clinically significant difference in treatment efficiency between treatment with a self-ligating bracket system and a conventional ligation system.
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