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Plaque score changes based primarily on patient performance at specific time intervals.

C H DeVore1, F M Beck, J E Horton

  • 1Division of Dental Hygiene, College of Dentistry, Ohio State University, Columbus.

Journal of Periodontology
|June 1, 1990
PubMed
Summary
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Effective plaque removal by patients is crucial for periodontal therapy success. Studies show significant plaque reduction on all tooth surfaces, especially interproximal areas, through patient performance alone.

Area of Science:

  • Periodontology
  • Dental Hygiene
  • Preventive Dentistry

Background:

  • Patient plaque control is a cornerstone of periodontal therapy and requires ongoing monitoring.
  • Limited research exists on plaque score changes solely driven by patient performance throughout therapy.

Purpose of the Study:

  • To evaluate plaque score changes on individual tooth surfaces and segments in periodontitis patients.
  • To assess the impact of patient performance on plaque reduction from initial presentation through active therapy and follow-up.

Main Methods:

  • Utilized the O'Leary Plaque Index to assess plaque scores on buccal, interproximal, and lingual surfaces across 6 segments.
  • Evaluated 24 adult periodontitis patients (ADA Case Types III & IV) at three time points: initial presentation, post-initial preparation, and 3 months post-therapy.

Related Experiment Videos

  • Assessments were conducted prior to any professional intervention to isolate patient performance impact.

    • Main Results:

    • Initial plaque index was highest on interproximal surfaces (79.6%) compared to buccal (30.7%) and lingual (41.9%) surfaces.
    • Significant plaque reduction (P < 0.05) was observed on all surfaces from initial presentation (t-0) to post-initial preparation (t-1) and 3-month follow-up (t-2).
    • Plaque scores decreased analogously across most segments, indicating consistent patient performance improvements.

    Conclusions:

    • Patient performance alone can achieve consistent plaque reduction exceeding 50% on all tooth surfaces during periodontal therapy.
    • Interproximal tooth surfaces present a greater challenge for plaque removal and retention compared to buccal and lingual surfaces.
    • Post-initial preparation plaque control achieved by patients may serve as a reliable predictor for sustained plaque control during and after active periodontal treatment.