Derek Richards

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Derek Richards is the Director of the Centre for Evidence-based Dentistry, Editor of the Evidence-based Dentistry Journal, Consultant in Dental Public Health with Forth Valley Health Board and Honorary Senior Lecturer at Dundee & Glasgow Dental Schools. He helped to establish both the Centre for Evidence-based Dentistry and the Evidence-based Dentistry Journal. He has been involved with teaching EBD and a wide range of evidence-based initiatives both nationally and internationally since 1994.

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Obstructive sleep apnoea–Effectiveness of different mandibular advancement devices

Mandibular advancement device

This review of the the effectiveness of different mandibular advancement devices for obstructive sleep apnoea included 50 RCTS. While the findins suggest that mono-bloc MADs are more effective duo-bloc devices the quality of the available evidence is very low.

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Intracanal cryotherapy in root canal treatment

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This review of the effect of intracanal cryotherapy in reducing postoperative pain after instrumentation or obturation in root canal treatment included 8 RCTs. The findings suggest that suggests that intracanal cryotherapy in the form of cold saline irrigation as the final irrigant significantly reduces pain between 6 and 24 hours after root canal therapy.

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Oral hygiene for critically ill patients

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This Cochrane review updated assessing the impact of oral health measures on the incidence of ventilator associated pneumonia (VAP) in critically ill patients receiving mechanical ventilation in intensive care includes 40 RCTs and suggests that Chlorhexidine mouthwash or gel, as part of oral health measures, probably reduces the incidence of developing VAP.

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Fluorescence devices for caries detection

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This Cochrane diagnostic test accuracy review of fluorescence-based devices for the detection and diagnosis of enamel caries included 131 studies with 114 datasets from 79 studies contributing to the meta-analyses.

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Top Dental Elf Blogs: Oct – Dec 2020

The Dental Elf

Blogs on Hyposalivation in the elderly, powered toothbrushes for patients undergoing orthodontic treatment and the impact of smoking on the outcomes of non-surgical periodontal treatment were our most popular blogs.

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Top Dental Elf Blogs: Jul – Sep 2020

The Dental Elf

Our most popular blogs in July August and September covered periodontal surgery, Interproximal caries detection and local anaesthesia for inferior alveolar nerve blocks.

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Top Dental Elf Blogs: Apr – Jun 2020

The Dental Elf brings you daily updates of evidence-based dentistry research

Erosive tooth wear and gastro-oesophageal reflux, oral lichen planus and oro-facial manifestations of systemic lupus erythematosus were popular blogs in April, May and June of 2020.

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Top Dental Elf Blogs: Jan – Mar 2020

The Dental Elf

Our most popular blogs from January, February and March 2020 were about the FiCTION trial, local anaesthesia and factors associated with third molar surgical difficulty.

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COVID-19 Dental Elf Blogs -4

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This blog pulls together a number of our blogs on COVID-19 publishing since July. We also include links to our other COVID-19 relevant blogs published since March 2020.

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Root caries: detection and diagnosis

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This Cochrane review assessing the diagnostic test accuracy of index tests for the detection and diagnosis of root caries in adults included 4 studies and 4997 root surfaces. The studies were all at high risk of bias meaning the available evidence is of very low certainty

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