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Power toothbrushes, gender, and dentin hypersensitivity.

A F Hefti1, C Stone

  • 1College of Dentistry, Ohio State University Columbus, 4133 Postle Hall, 305 West 12th Avenue, Columbus, OH 43210, USA. hefti.1@osu.edu

Clinical Oral Investigations
|February 24, 2001
PubMed
Summary
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This study found that both sonic and oscillating/rotating power toothbrushes significantly reduced dentin hypersensitivity pain. No significant difference in effectiveness was observed between the two power toothbrush types for managing tooth sensitivity.

Area of Science:

  • Dentistry
  • Oral Health
  • Biomedical Research

Background:

  • Power toothbrushes may reduce dentin hypersensitivity by requiring less force for plaque removal.
  • Low brushing force could occlude dentin tubules, potentially decreasing tooth sensitivity.

Purpose of the Study:

  • To compare the efficacy of two power toothbrush types in reducing dentin hypersensitivity.
  • To evaluate the effect of sonic versus oscillating/rotating power toothbrushes on tooth sensitivity.

Main Methods:

  • An 8-week randomized, examiner-blind clinical trial.
  • Fifty-nine participants with dentin hypersensitivity used either an Optiva Sonicare or Braun Oral B Ultra Plaque Remover toothbrush.
  • Pain was assessed using a visual analog scale (VAS) after tactile and evaporative stimuli.

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Main Results:

  • Both power toothbrush groups showed a 35%-40% reduction in dentin hypersensitivity pain compared to baseline.
  • No statistically significant differences in pain reduction were found between the sonic and oscillating/rotating power toothbrush groups.
  • A potential gender-related effect on tactile stimulus response was noted.

Conclusions:

  • Both sonic and oscillating/rotating power toothbrushes are effective in reducing dentin hypersensitivity.
  • The choice between these two types of power toothbrushes may not significantly impact the reduction of tooth sensitivity.
  • Further research into gender-related differences in dentin hypersensitivity is warranted.