Results: 178

For: orthodontics

First permanent molars: consequences of early loss

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This review of the the effects and sequela of early extraction of first permanent molars included 11 observational studies providing limited quality evidence of the consequences of early extraction. High quality prospective studies are needed.

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Pacifier sucking: Limited evidence of impact on orofacial structures

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This review of the effects of pacifier sucking on orofacial structures identified 17 studies highlighting a lack of high quality evidence. While some effects are suggested these should be viewed cautiously given the quality of the evidence.

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Orthodontic treatment for class II division I 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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Fixed appliance orthodontics: extraction or non-extraction and soft tissue changes

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52 studies were identified for this review of the effect of extraction or non-extraction fixed orthodontic treatment of soft tissue profiles . However they were mainly poor quality retrospective studies providing very low quality evidence suggesting that tooth extractions might be associated with differences in the soft tissue profile compared to non-extraction treatment.

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Photodynamic therapy for oral lichen planus?

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This review of photodynamic therapy (PDT) for management of symptomatic of oral lichen planus included 5 small studies of limited quality that suggest PDT may be beneficial.

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Orthodontic pain: Is low level laser therapy effective?

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20 RCTs were included in this review of low level laser therapy (LLLT) for orthodontic pain. While the findings suggest a benefit a majority of the studies were at high risk of bias so the findings should be interpreted cautiously.

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Orthodontic space closure – en masse or two-step retraction

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8 small studies were included in this review comparing en masse retraction and two-step retraction for orthodontic space closure. While both were effective the en masse/miniscrew combination demonstrated a small statistically significant benefit in terms of incisor retraction and anchorage preservation.

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Orthodontic space closure – Springs or chains?

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4 RCTs were included in this review of Nickel- titanium closing springs (NiTi-CS) and elastomeric power chains (EPC). The findings suggest there is medium quality evidence that space closure is faster with NiTi-CS.

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