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Related Experiment Videos

Instrument effects on smoothness discrimination.

D H Schoen1

  • 1Department of General and Hospital Dentistry, University of Medicine and Dentistry of New Jersey, New Jersey Dental School, Newark 07103-2425.

Journal of Dental Education
|November 1, 1992
PubMed
Summary

Experienced dental hygienists can better detect root surface smoothness using specific instruments. Instrument choice impacts clinical evaluation accuracy and outcomes in scaling and root planing.

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Area of Science:

  • Dentistry
  • Dental Hygiene
  • Periodontology

Background:

  • Instrument selection for root surface evaluation during scaling and root planing (SRP) lacks empirical data, relying on subjective clinician opinions.
  • Effective root debridement and surface evaluation are critical for successful periodontal therapy outcomes.

Purpose of the Study:

  • To compare the effectiveness of five dental instruments in differentiating root surface smoothness.
  • To assess the influence of clinical experience on instrument performance in root surface evaluation.

Main Methods:

  • A relative smoothness test was conducted using ten paired abrasive strips with varying grit sizes.
  • Thirty experienced and 32 inexperienced dental hygiene clinicians evaluated surface smoothness using five different dental instruments: Williams probe, 3A explorer, Moffitt-MD probe, #17 explorer, and 3CH explorer.
  • Repeated measures ANOVA was employed to analyze the data.

Main Results:

  • Both the instrument used and the level of clinical experience significantly affected assessment accuracy.
  • Clinicians demonstrated higher accuracy with the Williams probe, 3A explorer, and Moffitt-MD probe compared to the #17 explorer.
  • No significant difference in accuracy was found between the 3CH explorer and the other instruments.
  • Experienced clinicians significantly outperformed students in differentiating surface smoothness.

Conclusions:

  • Instrument choice demonstrably impacts the accuracy of root surface evaluation during SRP procedures.
  • Clinical experience is a significant factor in the ability to discern root surface texture.
  • Standardizing instrument selection and acknowledging experience levels can enhance the validity and reliability of clinical assessments in periodontal therapy.

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