Measuring Periodontal Diseases

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Measuring Periodontal Diseases

  1. 1. Measuring Periodontal Diseases Dr. Afaf Tawati
  2. 2. objectives to learn how to measure gingivitis and periodontitis. ● to learn about epidemiological methods in assessing periodontal disease. ● to learn about partial mouth periodontal measurements. ●
  3. 3. Definitions of Gingivitis and Periodontitis definition of an index
  4. 4. how to measure gingivitis: P-M-A index Gingival index of Loe and Silness: discription Why are gingival bleeding indices not recommended for public health programs?
  5. 5. How to measure periodontitis? - historical indices. Periodontal Index of Russell and its drawbacks. periodontal Disease index; Ramfjord teeth. extent and severity index. Case definition for Periodontitis
  6. 6. How to measure periodontitis? the use of cytokines in GCF CPITN
  7. 7. Plaque and calculus index OHI-S; description PHP; description Silness & Loe plaque index; description Volpe-Manhold Index; discription
  8. 8. Partial mouth measurements when to use them and why? What are the drawbacks of partial mouth measurements?
  9. 9. considerations when using indices or evaluating studies using indices 1- Studies using different indices should be compared only as to general findings rather than specifics. 2- An index should be selected according to its ability to evaluate the variable. 3- Index methodology should not be modified. 4- Plaque indices measuring presence/absence of plaque are for motivation, while those measuring quantity are for clinical trials and epidemiological surveys. 5- Full mouth scoring is for clinical use or a small population group, while simplified indices are more useful for epidemiological studies and large clinical studies. 6- Examiner intra- and inter- reliability should be established prior to use.
  10. 10. thank you!

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