This review assessing the predictability of clear aligners and treatment outcomes of clear aligner therapy compared with fixed appliance therapy included 7 small studies of limited quality.
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This review of the occurence of maloclusion in children/adolescents with Down syndrome included 11 studies and suggests a higher prevalence of malocclusion.
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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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This Cochrane review of orthodontic treatment for class II div 2 malocclusion updates the previous 2006 version. No RCTs or CCTs were identified so It is not possible to provide any evidence-based guidance to recommend or discourage any type of orthodontic treatment to correct Class II division 2 malocclusion in children.
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31 observational studies were included in this review of breastfeeding and malocclusion . This findings suggests that it may be protective against posterior crossbite and class II malocclusion. However as teh studies are largely retrospective the findings should be interpreted with caution.
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This review of clear aligners for orthodontic treatment only identified 4 small studies of limited quality providing little evidence to support their effectiveness.
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4o studies were included in this scoping review of orthodontic outcomes used with cleft lip and palate patients. The majority (68%) relate to morphological features of maloclussion with on 3 addressing quality of life issues and 2 health service utilisation.
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This review of the early treatment of class III malocclusion identified 15 studies (9 RCTs, 6 CCTs) providing moderate quality evidence that early treatment with a facemask results in positive improvement for both skeletal and dental effects in the short term.
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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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This review of patient expectations of orthodontic treatment included 13 studies but found that the methodological quality was poor so recommended that future studies are needed based on well constructed theory.
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