Review of 10 years

Evidence for up-to-date clinical dental practice – a review of 10 years of the Cochrane Oral Health Group

30th-31st May 2006, Manchester

Cochrane Oral Health Group - 10 years on

Own logo

Review of 10 years

Review of 10 years

Cochrane Oral Health Group

Include all randomised controlled trials of oral health broadly conceived to

include the prevention, treatment and rehabilitation of oral, dental and

craniofacial diseases and disorders

Review of 10 years

Oral Health Group: Background

Aug ‘96 UK Base established

Dec ‘96 Part-time Co-ordinator

appointed

Mar ‘97 New reviews underway

July ‘97 Funding secured

Feb ‘98 Official opening

May ’06 10 year symposium

Review of 10 years

Editors

• Bill Shaw• Helen

Worthington • Jayne Harrison• Jan Clarkson• Marco Esposito

• Ian Needleman• Paul Coulthard• Valeria Marinho• Anne-Marie

Glenny• Lee Hooper

Review of 10 years

Editorial Base Staff

• Review Group Co-ordinator

• Trials Search Co-ordinator (P/T)

• Administrator

• Lecturer in Evidence Based Oral Health Care

• Senior Research Fellow (Jan 06)

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Achievements• Worldwide network of 624 members from

40 countries• International panel of referees• Set up OHG Trials Register (approx 20,000 entries)• Established handsearching programme• Input into NICE, HTA, SIGN, vCOHI &

ADA• NIDCR award

Review of 10 years

Funding

• Base- salaries (DoH)• NIDCR• Italian Government• NICE• DoH UK (vCOHI)

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NIDCR Funded Project

• To undertake

– New reviews on treatment of oral cancer

– Update/new reviews on oral care for patients with cancer

• First NIH funding of Cochrane Reviews

• Unusual to fund group totally outside US

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Progress of Oral Health Group

0

10

20

30

40

50

60

1998 - 1

1998 - 3

1999 - 1

1999 - 3

2000 - 1

2000 - 3

2001 - 1

2001 - 3

2002 - 1

2002 - 3

2003 - 1

2003 - 3

2004 - 1

2004 - 3

2005 - 2

Cochrane Library Issue

Nu

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of

Pu

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ati

on

s

Updates

Reviews

Protocols

Review of 10 years

Number of Reviews by Collaborative Review Groups (CRGs)

Review of 10 years

Status of OHG Reviews (The Cochrane Library, Issue 2, April 2006)

• 52 reviews published

• 9 reviews out with referees

• 69 protocols published

• 14 protocols out with referees

• 34 titles registered

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Systematic review

• Structured process involving several steps:– Well formulated question– Comprehensive data search– Unbiased selection and abstraction process– Critical appraisal of data– Synthesis of data

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OHG Editorial Process

• Register title• Prepare protocol• Editorial and external review of protocol• Protocol entered on Cochrane Library• Identify trials• Complete systematic review• Peer review of systematic review• Systematic review entered on Library• Regularly updated

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Title

[Intervention] for [disease] in [patients]

• Treating periodontal disease for preventing preterm birth in pregnant women

• Surgical techniques for the removal of mandibular wisdom teeth

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Objectives

• To assess the effects of treating periodontal disease in pregnant women in order to prevent preterm birth, with the primary aim of reducing fetal, infant, childhood and maternal morbidity and mortality.

• To compare the relative benefits and risks of different surgical techniques for removing mandibular wisdom teeth.

Review of 10 years

Criteria for considering studies for this review

• Types of studies

• Types of participants

• Types of intervention • Types of outcome measures

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Search methods for identification of studies

• Searched databases

• Language

• Unpublished studies

• Handsearching

Review of 10 years

Methods of the review

• Study selection

• Quality assessment

• Data extraction

• Data synthesis

Review of 10 years

Potential conflict of interest

Review of 10 years