Tooth crowding in children: Which orthodontic intervention?

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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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Pulp necrosis: Is it induced by orthodontic tooth movement?

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This review evaluating the evidence to support the possibility that orthodontic tooth movements could induce pulp necrosis included 12 studies. While the findings indicate there is evidence that these treatments do not induce pulp necrosis it has low to very low quality.

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Removable orthodontic appliances: compliance suboptimal

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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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Anterior open bite might be corrected with crib therapy

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This review of the use of habit-interception appliances to improve anterior open bite (AOB) included 11 controlled studies only 2 of which were randomised. The limited available evidence suggests that crib therapy could be considered as an effective treatment for the correction of AOB in growing patients.

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Anterior crossbite: is fixed or removable treatment most cost effective?

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This cost minimisation study was based on a small RCT comparing fixed or removable appliances for the treatment of anterior crossbite in Sweden. The overall costs were €678 for fixed appliances and €1031 for removable appliances.

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Functional orthodontic appliances: effective in short-term suggests review

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This review of functional orthodontic appliances included 10 CCTs and 7 RCTs and found they produced short-term improvements in class II malocclusion. This needs to be considered with a recent Cochrane review of early treatment for children with class II malocclusion that found that it was more effective in reducing the incidence of incisal trauma than providing one course of orthodontic treatment in early adolescence.

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