This review comparing whether implant supported crowns on short or standard implants have similar clinical outcomes in the posterior alveolar bone included 5 RCTs. the findings suggested no differences at one year but that shorter implants performed less well at 5 years.
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This review of whether there was an increased risk of dental implant failure in heavy smokers compared with light smokers included 23 studies the majority being retrospective studies. The findings suggest that the risk of implant failure was elevated with an increase in the number of cigarettes smoked per day but the findings should be interpreted cautiously.
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This review of the worldwide prevalence of non-carious cervical lesions (NCCLs) in adults included 26 cross-sectional studies providing a weighted prevalence estimate estimate of 46.7 %(95%CI; 38.2 to 55.3 %).
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This review of the the survival and complication rates of single implant retained mandibular overdentures included 17 studies (9 RCTs). While the findings suggest they are effective the available studies are small with only 3 providing follow-up of longer than two years.
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This review of the efficacy of 3 caries removal strategies (complete, selective and stepwise) in primary teeth included 8 RCTs suggesting a lower risk of pulp exposure with selective and stepwise approaches.
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Twenty six RCTs were included in this Cochrane systematic review of methods for the acceptance of local anaesthesia (LA) in children and adolescents during dental treatment. However the trials did not provide sufficient evidence to draw firm conclusions as to the best interventions
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Colin Levey takes a look at this network meta-analysis of 46 RCTs assessing techniques and drugs for achieving pulpal anaesthesia for the non-surgical endodontic treatment of mandibular molars.
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This review of the behaviour of overdentures supported by bar and clip or ball and O-ring attachments included 17 studies. The findings suggest no differences between the two sustems.
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This review of the efficacy of occlusal reduction on the management of post-operative endodontic pain included 6 small RCTs of high risk of bias. The fidings suggested non benefitc from occlusal reduction in the first 48 hours but some benefit at 72 hours. However the findings should be viewed cautiously because of the limited study quality.
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This review of grafting materials for alveolar ridge preservation included 38 small RCTs. 34 different materials were investigated with the findings suggesting that no grafting material increased new bone formation between 3 and 6 months after tooth extraction.
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