Osteoradionecrosis incidence and the timing of dental extractions

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This review of whether the incidence of osteoradionecrosis differed between patients who have dental extractions before or after radiotherapy (RT) included 24 studies (19 retrospective 5 prospective). While the findings suggest that the incidence is similar if extractions are undertaken before or after RT the quality of the evidence is limited.

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Psychotic disorders among migrants and minority ethnic groups in Europe: a rising and concerning incidence

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Aggelos Stamos reviews findings from the multi-national EU-GEI study on the incidence of psychotic disorders among migrants and minority ethnic groups in Europe.

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Suicide in university students in England and Wales

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Jude Smit writes her debut elf blog on a recent research study which looks at the incidence of suicide in university students in England and Wales, and concludes that we need a whole university approach to mental health.

Readers interested in more on student mental health should follow #smartenconf19 on Twitter for updates from the SMaRteN Network Student Mental Health Conference in Cambridge.

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Tooth-implant supported fixed dental prostheses survival rates

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This review of the survival and complication rates of tooth-implant supported fixed dental prostheses (T-I FDPs) includes 8 prospective cohort studies and 185 T-I FDPs suggesting acceptable 5 and 10 year survival rates.

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Caries progression rates in Western populations

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This review of progression rates in the primary and permanent dentition included 43 studies the majority in permanent teeth(32) providing an estimate of caries incidence rate of 0.11 (95%CI; 0.09–0.13) per person- year at risk.

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Rates of psychotic disorders: huge variability and important risk factors

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Emma O’Neill summarises a systematic review and meta-analysis of the incidence of psychotic disorders, which looks at the distribution of rates and the influence of gender, urbanicity, immigration and socio-economic level.

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Ameloblastoma: how common is it?

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This review of the global incidence of ameloblastoma included 49 studies with just 7 studies contributing to the pooled incidence rate estimate of 0.92 per million person‐years.

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Is the incidence of schizophrenia in South-East London really 10 times higher than in Santiago, Spain?

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Vishal Bhavsar reviews an EU study of nearly 3,000 people across 6 EU countries, looking at the treated incidence of schizophrenia and psychotic disorders. It helps us better understand who gets psychosis, when, and where.

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Root Caries: Incidence and increment

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This review of the incidence and increment of root caries included 20 longitudinal studies that provided an overall estimate of incidence of 18.25% 1(95%CI; 13.22%-23–28%) and increment of 0.45 (95%CI; 0.37–0.53).

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Silver diamine fluoride for caries prevention in primary teeth

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Four RCTs were included in this review of silver diamine fluoride (SDF) for the prevention of caries in primary teeth. Meta-analysis involving 2 of the studies suggest a preventive fraction = 77.5% (95%CI; 67.8– 87.2%)

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