Derek Richards

Profile photo of Derek Richards
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.

Website

Follow me here –

Osteoradionecrosis and denture use in head and neck cancer patients

craig-cameron-cWRVSX6lfBg-unsplash-amd

This review assessing the evidence of the impact of replacing missing teeth with dentures on the development of osteoradionecrosis in patients who have radiotherapy for head and neck cancer only identified 3 case-controlled studies of very low quality.

[read the full story...]

Oral Cancer – Referral by primary care doctors and dentists

jonathan-borba-iWkA_RzRLuY-unsplash

This review comparing primary care doctors and dentists in the referral of oral cancer included 22 mainly retrospective studies. Doctors refered sliightly more than dentists, typically 50% compared with 40% respectively.

[read the full story...]

Orthodontic pain: The efficacy of analgesics

shutterstock_101866108

This review of the efficacy of of analgesics on the relief of pain during orthodontic treatment included 12 RCTs. The findings demonstrate that analgesics were more effective than placebo in controlling orthodontic pain

[read the full story...]

Third molars: Which local anaesthetic is most suitable for inferior alveolar nerve blocks?

shutterstock_31846396

This review comparing the efficacy and safety of currently available local anaesthetics for lower third molar extraction included 24 RCTs. The findings suggest that 4% articaine was the most effective and lidocaine the safest.

[read the full story...]

Denture fabrication: Conventional or simplified approaches

shutterstock_28911784 False teeth

This review od conventional versus simplified verses conventional fabrication techniques for complete dentures included 19 RCTs. The findings suggest that there are no differences between the simple and conventional approaches in terms of patients satisfaction, masticatory efficiency and OHRQoL at least in the short term.

[read the full story...]

Endodontic microsurgery

Endodontics_microscope

This review of the clinical and radiographic long-term outcome of endodontic microsurgery in teeth diagnosed with secondary apical periodontitis included 10 studies suggesting an overall success rate ranging from 69-93%.

[read the full story...]

Occlusal reduction: Does it reduce post endodontic pain?

pulp

This review of the effect of occlusal reduction on post-operative pain following root canal treatment included 7 RCTs. While the findings suggest that occlusal reduction may reduce post endodontic pain the quality of the available evidence is very low so teh findings should be viewed cautiously.

[read the full story...]

Avulsed teeth: Storage media used before replantation

shutterstock_70287046 - avulsed tooth

This review of the effectiveness of any technique available to laypeople for storing an avulsed tooth compared with storage in milk or saliva included 33 studies. Findings suggest that milk, Hank’s balanced salt solution, propolis, oral rehydration salts, rice water, and cling film extend periodontal ligament cell viability before replantation.

[read the full story...]

Root canal disinfection: Sodium hypochlorite or chlorhexidine?

shutterstock_17046487

This review comparing the antimicrobial efficacy of chlorhexidine (CHX) and sodium hypochlorite (NaOCl) in root canal disinfection included 8 small RCTs. While teh findings suggest that CHX and NaOCL have similar efficacy the certainty of teh availabel evidence is low.

[read the full story...]