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Related Experiment Videos

Root planing following short-term pocket distention

E C Shen1, D Maddalozzo, P J Robinson

  • 1Division of Periodontics, Northwestern University Dental School, Chicago, IL, USA.

Journal of Periodontology
|July 1, 1997
PubMed
Summary

Short-term pocket distention significantly improves subgingival calculus removal during root planing. Using a gingival retraction cord, with or without aluminum sulfate, is more effective than root planing alone for deep pockets.

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Area of Science:

  • Periodontology
  • Dental calculus removal
  • Root planing techniques

Background:

  • Subgingival calculus removal is crucial for treating periodontal disease.
  • Effectiveness of root planing in deep pockets can be challenging.
  • Gingival retraction methods may influence instrumentation access.

Purpose of the Study:

  • To evaluate the efficacy of root planing after short-term pocket distention.
  • To compare calculus removal with and without gingival retraction cords.
  • To determine the effect of aluminum sulfate in retraction cords on calculus removal.

Main Methods:

  • Seventy-five teeth with probing depths of 5-10 mm were divided into three groups.
  • Groups 1 and 2 used aluminum sulfate-impregnated and non-impregnated cords, respectively, for 30 minutes before scaling and root planing.

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  • Group 3 underwent root planing only.
  • Residual calculus was quantified using computerized image analysis after extraction.

    • Main Results:

    • Overall, 46.3% of root surfaces had residual calculus (mean 4.41%).
    • Groups using retraction cords (1 and 2) showed significantly less residual calculus (3.03% and 3.04%) compared to the control group (7.15%).
    • No significant difference in calculus removal was observed between the impregnated and non-impregnated cords.

    Conclusions:

    • Short-term pocket distention using gingival retraction cords enhances subgingival calculus removal during root planing.
    • The presence of aluminum sulfate in retraction cords does not provide additional benefit for calculus removal.
    • These findings suggest improved access and effectiveness in deep periodontal pockets with this technique.