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Related Experiment Videos

Enamel roughness after air-powder polishing

L R Gerbo1, W R Lacefield, C M Barnes

  • 1Department of Diagnostic Sciences, University of Alabama School of Dentistry, Birmingham 35294.

American Journal of Dentistry
|April 1, 1993
PubMed
Summary

Air-powder polishers do not significantly increase enamel surface roughness compared to traditional rubber cup and pumice cleaning. This study found no significant alteration in enamel after simulated 15-year use.

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Area of Science:

  • Dental hygiene
  • Surface analysis
  • Biomaterials

Background:

  • Dental prophylaxis aims to remove plaque and calculus.
  • Traditional methods like rubber cup and pumice polishing are standard.
  • Air-powder polishing offers an alternative cleaning method.

Purpose of the Study:

  • To quantify enamel surface roughness differences between air-powder polishing and rubber cup/pumice.
  • To evaluate long-term effects of air-powder polishing on enamel integrity.

Main Methods:

  • 40 bovine teeth were divided into control (rubber cup/pumice) and test (air-powder polisher) groups.
  • Teeth were treated for a duration equivalent to a 15-year recall program.
  • Surface roughness was measured using a profilometer and scanning electron microscopy (SEM).

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Main Results:

  • No statistically significant increase in enamel surface roughness was observed with air-powder polishing compared to the control group.
  • Scanning electron microscopy (SEM) confirmed no visual alteration in enamel surface at magnifications up to x1000.

Conclusions:

  • Air-powder polishing does not cause significant enamel surface roughening.
  • This suggests air-powder polishers are safe for enamel integrity during long-term dental prophylaxis.