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Related Experiment Videos

Examiner reliability for an invasive gingival bleeding index.

T M Blieden1, J G Caton, H M Proskin

  • 1Department of Periodontology, Eastman Dental Center, Rochester, NY 14620.

Journal of Clinical Periodontology
|April 1, 1992
PubMed
Summary

The Eastman interdental bleeding index shows high reliability for assessing gingivitis. This method is suitable for clinical trials and epidemiologic studies of interdental bleeding.

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Area of Science:

  • Periodontology
  • Dental Public Health

Background:

  • Gingival bleeding assessment is crucial for diagnosing and monitoring periodontal health.
  • Standardized indices are necessary for reliable clinical and epidemiological studies.

Purpose of the Study:

  • To evaluate the intra- and inter-examiner reliability of the Eastman interdental bleeding index.
  • To determine the suitability of this index for clinical trials and epidemiological research.

Main Methods:

  • 26 subjects underwent repeated examinations using a wooden interdental cleaner for bleeding stimulation.
  • Intra- and inter-examiner agreement percentages and kappa coefficients were calculated.
  • Statistical tests (Z-tests) were used to assess the significance of reliability differences.

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Main Results:

  • High intra-examiner agreement (91.3%-93.1% agreement, 0.79-0.86 kappa) was observed.
  • Good overall inter-examiner agreement (82.8%-87.6% agreement, 0.62-0.75 kappa) was found.
  • Reliability was consistently high across different sites, with a minor exception in mandibular posterior lingual sites.

Conclusions:

  • The Eastman interdental bleeding index demonstrates high reproducibility.
  • The index is suitable for use in clinical trials and epidemiological studies of interdental gingivitis.