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Evidence-Based Dentistry Steps 1 & 2

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Formulating the clinical question and finding the best evidence

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Evidence-Based Dentistry Steps 1 & 2

  1. 1. Evidence-Based Dentistry: Asking the Right Question & Finding the Best Evidence October 18, 2016
  2. 2. LEARNING OBJECTIVES • Define EBD • Identify EBD steps • Identify EBD search tools – Library Resources – ADA Resources • Demonstrate ability to find evidence
  3. 3. EVIDENCE-BASED DENTISTRY • According to the American Dental Association's Center for Evidence-Based Dentistry, Evidence-Based Dentistry (EBD) is defined as: "an approach to oral healthcare that requires the judicious integration of systematic assessments of clinically relevant scientific evidence, relating to the patient's oral and medical condition and history, with the dentist's clinical expertise and the patient's treatment needs and preferences."
  4. 4. WHY EBD? • New evidence is constantly becoming available that will significantly change patient care • Practicing EBD allows us to keep knowledge up-to-date, and provide the best patient care
  5. 5. EBD STEPS 1. Asking answerable questions 2. Finding the best evidence 3. Critically appraising the evidence 4. Applying a decision 5. Evaluation
  6. 6. EBD STEP 1 – Clinical Question • Asking answerable questions – focused, searchable, clinical – Who is the patient? What is the problem? – What intervention? – Is there a comparison intervention? – What is/are the outcome(s)?
  7. 7. PICO • Patient, problem, population • Intervention • Comparison • Outcome • The PICO method can be used to formulate answerable EBD questions. • It breaks the clinical situation down into four independent conceptual parts.
  8. 8. EBD STEP 1 – Clinical Question • P: Children w/ dental caries • I: fluoride varnish • C: no varnish • O: decreased incidence of caries
  9. 9. EBD STEPS 1. Asking answerable questions 2. Finding the best evidence 3. Critically appraising the evidence 4. Applying a decision 5. Evaluation
  10. 10. Hierarchy of Evidence
  11. 11. EBD STEP 2 – Best Evidence Primary Sources (Unfilted Information) • Randomized Controlled Trials • Clinical Trials • Cohort Studies • Case Reports, etc Secondary Sources (Filtered Information) • Systematic Reviews • Meta-analyses
  12. 12. EBD STEP 2 – Best Evidence- Where to find it? Primary Sources • MEDLINE via PubMed • SumSearch 2 Secondary Sources • ADA’s Evidence Database • EBM Reviews All ECU Libraries Evidence Based Practice Resources
  13. 13. MEDLINE VIA PUBMED MEDLINE via PubMed
  14. 14. SUMSEARCH 2 SumSearch 2
  15. 15. ADA’S EVIDENCE DATABASE ADA’s Evidence Database
  16. 16. EBM REVIEWS EBM Reviews
  17. 17. For More Information http://libguides.ecu.edu/ebd

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