This review of the effects of photobiomodulation (PBM) on pain, oedema, and trismus after extraction of impacted mandibular third molars included 33 RCTs. However 30 of the included studies were considered to be at high risk of bias, and while the results suggested small benefits for PBM in relation to reduction of pain and swelling these were not considered to be clinically important.
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In her debut blog, Dr Huong Le evaluates a UK population-based retrospective cohort study investigating the impact of early childhood disadvantage on a variety of adverse health and educational outcomes in adolescence.
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Dr Ana Veic explores the barriers to mental health care reported by over 17,000 US veterans with PTSD, and how these barriers differ between demographic groups (e.g., by race and by sex).
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This review assessing whether caries severity is higher in HIV-infected children and adolescents than in those who uninfected included 16 studies. While the review suggests a higher caries severity in those infected with HIV the certainty of the evidence is low with the majority of studies not providing information on potential confounders.
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In her debut blog, Bella Brereton writes with Rasanat Fatima Nawaz to summarise a systematic review that explored the associations between self-injurious thoughts and behaviours and school-based friendship networks in adolescents, using sociometric data.
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Thte review of the percentage of impacted maxillary incisors that successfully erupt after surgical removal of supernumerary teeth included 15 studies. With the exception of one study all were retrospective with meta-analysis indicating a mean eruption success of 57.6% (95%CI; 47.8 to 67.0%). However the certainty of the evidence is very low to low.
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Kris Deering considers a 2-year prospective observational study published in the Lancet Psychiatry which found strong links between stressful life events and relapse in first-episode psychosis.
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In her debut blog, Beth Hindhaugh summarises a systematic review and meta-analysis of 173 studies examining the untreated course of anxiety disorders, which finds that for some people, anxiety disorders can improve without treatment.
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This review to determine whether root canal treatment causes greater stress than other dental treatments, especially extractions, in patients and providers of dental treatment included 23 studies. The findings suggest that root canal treatment was more psychologically stressful for patients than routine restorative or cleaning procedures however a majority of the included studies (52%) were at high risk of bias.
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In her debut Mental Elf blog, Gilda Spaducci explores the global prevalence of perinatal mental disorders among migrant women; summarising a recent review which finds that “one in four experience perinatal depression, one in five perinatal anxiety, and one in eleven perinatal PTSD”.
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