This review the prevalence of malocclusions and different orthodontic features in children and adolescents included 123 studies. However the broad range of approaches used in the studies to determine malocclusion and orthodontic features means that the findings need to be interpreted cautiously.
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Aoife McDougall and Carly Ross look at this trail comparing multimedia websites & printed information for their quality,ease of understanding, and impact on decision making in adolescents.
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This review of the clinical and radiographic findings of orthodontic force application on the dental pulp included 26 studies. While increase in pulpal sensibility clinical response, an immediate decrease in pulpal blood flow, changes in pulp cavity volume, and an increase in the incidence of pulp stone formation the studies were mostly small and of low quality so the certainty of the available evidence is graded as very low.
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This review aiming to provide information about the association between a superior labial frenum and maxillary midline diastema included 11 cross-sectional studies. The findings suggest that papillary and papillary penetrating frenum may be associated with maxillary midline diastema but the evidence is limited.
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This overview of systematic reviews of evidence for the prevention of enamel demineralization during fixed appliance orthodontic treatment included 29 reviews. Most of the reviews were considered to have methodological issues with the findings suggesting that professional fluorides, sealants, reminders, and lasers might be useful interventions to prevent enamel demineralization.
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This review of the effectiveness of Interproximal enamel reduction (IPR) techniques used in orthodontics included 10 small studies. The included studies were small and of very low to low quality so the findings should be viewed cautiously.
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This Cochrane review update of interceptive procedures included 4 RCTs to promote the eruption of palatally displaced permanent canines (PDCs) involving a total of 199 patients. The findings indicate that extraction of the primary canine man increase the the proportion of erupted PDCs but the evidence is very uncertain.
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This Cochrane review update of the effects of different orthodontic treatments for posterior crossbites included 31 RCTS eight of whihc were at low risk of bias. They found that for children iaged 7 to 11 years old), quad-helix and expansion plates were more beneficial than no treatment for correcting posterior crossbites.
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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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This review of the the treatment duration required to achieve whole-arch alignment of the mandibular dentition using fixed appliances included 35 RCTs. The pooled duration for whole-arch alignment in the mandible was 263.0 days/8.8 months (95%CI: 6.2 to11.3 months). Mandibular incisor alignment was achieved in 100.7 days/3.4 months (95%CI: 2.8 to 3.9 months).
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