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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