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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Candida albicans: higher prevalence in children with early childhood caries

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This review of a possible association between oral Candida albicans and early childhood caries (ECC) included 15 cross-sectional studies.The prevalence of C. albicans in children with ECC was found to be significantly higher than in caries-free children.

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Keratocysts: conservative treatment approaches?

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29 mainly retrospective studies were included in this review of conservative management approaches for odontogenic keratocysts. While the findings suggest use of decompression followed by enucleation data for recurrence were lower than those found in previous reviews of the topic. High quality prospective studies are needed.

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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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Bleeding after dental extraction: no evidence from randomised trials

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This update of a 2016 Cochrane Oral Health Group review of interventions for post extraction bleeding was unable to identify any published or ongoing trials assessing interventions. Well conducted and reported randomised controlled trials are needed on this question.

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Root canal treatment – irrigant activation techniques to remove smear layer and debris?

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Kenny Strain looks at this new review of in-vitro studies examining irrigant activation techniques during root canal treatment. The findings suggest improvemed removal of smear layer and debris. However the impact on clinical outcomes needs further investigation.

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Slow-release fluoride devices for caries prevention: insufficient evidence

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This review of slow-release fluoride devices for caries prevention updates an earlier Cochrane review of the topic. However no new trials have been identified providing insufficient evidence to assess their effectiveness.

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Autotransplantation of teeth to the anterior maxilla?

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This review of the success rates for autotransplantation of teeth into the anterior maxilla includes 17 studies. While the findings suggest high survival rates there is a lack of agreement of success criteria and the quality of the evidence is low.

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Buffering local anaesthetics to reduce dental injection pain?

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14 RCTs were included in this review of the effect of buffering local anaesthetics in reducing infiltration pain and anaesthesia onset time in dentistry. While slight reductions in onset time was seen in inflamed tissues and for IAN block these were not considered to be clinically significant. However the overall quality of the evidence was low.

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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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