This review of the effectiveness of N95 respirators versus surgical masks for prevention of influenza included 6 RCTs involving 9171 participants. THe findings suggest that use of N95 respirators compared with surgical masks was not associated with a lower risk of laboratory-confirmed influenza.
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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 impact of of non-surgical periodontal treatment (NSPT) on oral health-related quality of life included 12 studies. The findings suggest that NSPT improves oral health-related quality of life in the short-term.
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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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This Cochrane review of the efficacy and safety of corticosteroids for the treatment of people with oral lichen planus(OLP) included 35 RCTs suggesting that they may be more effective than placebo for reducing the pain of symptomatic OLP but the reliability of the finding is low.
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This review of the prevalence of dental caries in preschool children born preterm and/or with a low birth weight included 59 observational studies suggesting caries prevelence was similar to full term children of normal weight. However, the certainty of teh evidence was very low.
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Peter Haddad and Sami Ouanes review a network meta-analysis of the impact of antipsychotic drugs on metabolic function in people with schizophrenia.
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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 the efficacy of probiotics in the treatment of gingivitis included 10 small short term studies providing limited weak evidence for any effect on gingivitis.
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