12 observational studies were included in this review of the effect of khat chewing on periodontal tissues. The available evidence is of limited quality but it suggests that khat use has an adverse effect on periodontal status.
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This review of school-based oral health education included 12 trials and found it was effective in reducing plaque accumulation over a short period. there was no long-term evidence on the effectiveness.
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This review to assess the prevalence of halitosis in adults and adolescents included 13 studies providing an estimated prevalence of 31.8% (95%CI; 24.6–39.0%).
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This updated Cochrane review comparing open v closed surgical approaches for palatally displaced canines includes 3 studies involving 146 patients with the available evidence suggesting that neither surgical technique for exposing canine teeth is superior.
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Three RCTs were included in this review of silver diamine fluoride for caries prevention in older adults. all 3 studies support teh effectiveness of SDF for root caries arrest and prevention.
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4 RCTs were included in this review of interceptive primary canine extraction. They provide some limited evidence that extractions may facilitate permanent canine eruption but the study quality is low.
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Jazz Croft considers a recent systematic review about traumatic experiences in first-episode psychosis, which finds that nearly 1 in 3 people with first episode psychosis met diagnostic criteria for PTSD.
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Mark-Steven Howe looks at a systematic review of the effectiveness of adjunctive antibiotics in smokers undergoing non-surgical periodontal treatment. While a statistical benefit was noted it was not considered to be clinically relevant.
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This reviews of the efficacy of periodontal maintenance treatment carried out in primary care compared to the specialist setting following specialist treatment included 8 cohort studies. The quality of the available evidence was limited suggesting outcomes may be poorer in primary care further high quality studies are required
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Sarah McDonald explores a recent meta-analysis that summarises the effects of cognitive behavioural therapy for eating disorders on quality of life in adults.
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