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Related Experiment Videos

Root defects following air polishing.

G J Petersilka1, M Bell, A Mehl

  • 1Clinic of Periodontology, University Münster Clinic, Westfalian Wilhelm University Münster, Münster, Germany. petersk@uni-muenster.de

Journal of Clinical Periodontology
|March 8, 2003
PubMed
Summary
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Air-polishing devices (APDs) cause significant root damage, especially with prolonged use. Researchers found that sodium bicarbonate (NaHCO3) powder APDs are not safe for exposed root surfaces in periodontitis patients.

Area of Science:

  • Dentistry
  • Periodontology
  • Biomaterials

Background:

  • Air-polishing devices (APDs) effectively remove plaque and stains.
  • Root surfaces are susceptible to damage from APDs, a concern for periodontitis patients with exposed roots.

Purpose of the Study:

  • To evaluate how different APD working parameters affect root surface damage.
  • To identify parameters that minimize root substance loss.

Main Methods:

  • Laser optics were used to measure defect depth and volume on instrumented roots.
  • Parameters tested included time, powder/water settings, distance, and angulation with NaHCO3 powder.
  • Multiple regression analysis determined the influence of each parameter on substance loss.

Main Results:

Related Experiment Videos

  • Instrumentation time had the most significant impact on defect volume and depth.
  • Powder setting and water setting also influenced substance loss.
  • Distance affected defect depth but not volume; angulation showed minimal differences.

Conclusions:

  • Root damage is substantial with all tested NaHCO3 APD parameter combinations.
  • APDs utilizing NaHCO3 powder are not recommended for use on exposed root surfaces.