FFP3 fit testing accuracy and Covid-19 prevalence update

FFP3 Atemluftfilter_Einwegmaske

In another of his series of blogs on Covid-19 Mark-Steven Howe looks at the latest data on prevalence from the Office of National Statistics (ONS) and data on the fit testing of FFP3 masks.

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Triphala mouthwash for plaque-induced gingivitis

shutterstock_12720943-mouthwash

This review of the efficacy of Triphala and chlorhexidine mouthwash in the treatment of plaque-induced gingivitis included 7 RCTs involving a total of 1270 patients. However most of the studies are of short duration at at high to medium risk of bias.

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Gingival displacement: Conventional cord versus cordless techniques

gingival retraction cord

Thibault Colloc in his first blog for the Dental Elf looks at this review comparing gingival displacement with conventional cords and cordless techniques. The findings suggest that the sulcus width displacement is increased with cord technique compared to cordless technique but the available studies are all at high risk of bias.

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Covid-19: Asymptomatic/presymptomatic and the next patient?

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Mark-Steven Howe takes a close look at a new systematic review estimating the extent of true asymptomatic individuals and the associated risk of community spread.

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Face shield studies and droplet contamination

Face shield

In another of his Covid-19 related blogs Mark-Steven Howe looks at the effectiveness of face shields for preventing droplet contamination.

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Oral Proliferative Verrucous Leukoplakia: What are the clinical features?

Leukoplakia , Verrucous

Marianne Dobson in her first blog for the Dental Elf takes a look at a systematic review looking at the main clinical features of proliferative verrucous leukoplakia

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Third molars: Remove or retain asymptomatic disease-free impacted teeth?

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This Cochrane review of the effects of removal compared with retention (conservative management) of asymptomatic disease-free impacted wisdom teeth updates the 2016 version. No new studies were identified so the conclusions are unchanged.

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The tyranny of average and guideline development for PPE

The reviewers identified researchers found it difficult to control for variation

In this opinion piece Mark-Steven Howe considered the challenges of basing decisions on of average values for decision making when infection is not evenly distributed either geographically nor demographically

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Free-standing clean air systems – are they effective in dental practice?

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In this blog Mark-Steven Howe looks at what evidence is available regarding the use of free-standing clean air systems in dental practice. There was little direct evidence of the benefits of free-standing clean air systems in dental practice.

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