This Cochrane review of the effects of orthodontic interventions for preventing or correcting crowded teeth in children included 24 RCTs. A wide range of interventions were assessed typically is small single studies so the available evidence is of very low certainty.
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This review of orthodontic procedures for the management of displaced permanent canines in the mixed dentition. 5 RCTs, all at high risk of bias were identified with treatment comparisons being mainly based on single studies.
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This review of mini-screws for orthodontic anchorage included 7 small RCTs of variable quality with the findings suggesting that mini-screws are more effective than conventional approaches
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27 RCTs were identified for this Cochrane review update early v late orthodontic treatment for class II div 1 malocclusion. The main advantage of early treatment was a reduction of incisal trauma.
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24 studies were included in this review of compliance with removable orthodontic appliance treatment. Objectively measured wear was considerably lower than stipulated wear time among all appliance types in the included studies.
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Only 5 of the 18 trials included in this review of headgear for the treatment of class II malocclusions were randomised while a short-term reduction of the SNA angle was noted the quality of the studies was high.
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Moving the upper molars backwards during orthodontic treatment is sometimes necessary. Appliances used for this are categorized in to intraoral or extraoral appliances. External headgear is one of the commonest distalising approaches. The aim of this Cochrane review was to assess the effects of orthodontic treatment for distalising upper first molars in children and adolescents. [read the full story…]
The prevalence of palatally displaced permanent canine teeth varies between 0.8 and 5.2 % . The aim of this trial was to test the effectiveness of cervical pull headgear and rapid maxillary expansion and cervical pull headgear on the eruption of palatally displaced canines. They randomized 64 patients with to one of three groups: cervical [read the full story…]
