![iStock_000002259334XSmall braces on teeth](https://www.nationalelfservice.net/cms/wp-content/uploads/2011/06/iStock_000002259334XSmall-braces-on-teeth-150x150.jpg)
This review looked at the efficacy of fixed and removable functional appliances for the treatment of class II malocclusion. Just 4 trials were identified 2 of which were randomised. Limited evidence found fixed and removable functional appliances are effective in reducing overjet in children but there is little evidence to differentiate the approaches.
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