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Related Experiment Videos

Safety of three toothbrushes.

T He1, L Carpinello, R Baker

  • 1The Procter & Gamble Company, Cincinnati, Ohio, USA. he.t@pg.com

American Journal of Dentistry
|September 27, 2001
PubMed
Summary

This study found electric toothbrushes (Crest Spin Brush, Colgate ActiBrush) to be as safe and well-tolerated as a manual toothbrush (Oral B 40). Mild adverse events like gingivitis occurred, with electric options showing better tolerability.

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Area of Science:

  • Oral hygiene research
  • Dental product safety evaluation
  • Clinical trial methodology

Background:

  • Assessing the safety and tolerability of oral hygiene devices is crucial for consumer product development.
  • Electric toothbrushes offer potential benefits in plaque removal, necessitating safety comparisons with manual counterparts.

Purpose of the Study:

  • To evaluate the oral soft tissue safety and tolerability of two electric toothbrushes (Crest Spin Brush, Colgate ActiBrush) against a manual toothbrush (Oral B 40).

Main Methods:

  • A 4-week, single-center, randomized, examiner-blind parallel study involving 104 subjects.
  • Subjects used assigned toothbrushes twice daily for 60 seconds.
  • Oral soft tissue examinations and interviews were conducted at baseline, 3 days, and 4 weeks.

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Main Results:

  • 18% of subjects experienced mild adverse events, primarily localized gingivitis.
  • The manual toothbrush (Oral B 40) group reported more adverse events than electric groups at 4 weeks.
  • Crest Spin Brush and Colgate ActiBrush demonstrated similar and favorable tolerability profiles, outperforming the manual brush.

Conclusions:

  • Daily use of electric toothbrushes is at least as safe as manual toothbrushes for oral soft tissues.
  • Crest Spin Brush and Colgate ActiBrush are generally well-tolerated, suggesting superior safety and tolerability compared to the tested manual toothbrush.