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Related Experiment Videos

Low level laser therapy for dentinal tooth hypersensitivity

J A Gerschman1, J Ruben, J Gebart-Eaglemont

  • 1Oro-Facial Pain Clinic, Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne.

Australian Dental Journal
|December 1, 1994
PubMed
Summary

Low level laser therapy (GaAlAs laser) effectively treated dentinal tooth hypersensitivity. This treatment significantly reduced both thermal and tactile sensitivity compared to placebo over eight weeks.

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Area of Science:

  • Dentistry
  • Biomedical Engineering
  • Laser Therapy

Background:

  • Dentinal tooth hypersensitivity is a common clinical condition.
  • Existing treatments for hypersensitivity have varying efficacy and potential side effects.

Purpose of the Study:

  • To evaluate the efficacy of low level laser therapy (GaAlAs laser) in managing dentinal tooth hypersensitivity.
  • To compare the effectiveness of GaAlAs laser treatment against a placebo in reducing tactile and thermal sensitivity.

Main Methods:

  • A comparative double-blind study was conducted with subjects exhibiting dentinal hypersensitivity.
  • Participants were randomly assigned to receive active GaAlAs laser therapy or a placebo.
  • Laser therapy was applied to the tooth apex and cervical area, with follow-up applications at one, two, and eight weeks.

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Main Results:

  • Significant reductions in both tactile and thermal sensitivity were observed in the active laser group compared to the placebo group from the first week onwards.
  • At eight weeks, thermal sensitivity decreased by 67% (p < 0.001) and tactile sensitivity by 65% (p = .002) in the laser group, versus 17% and 21% in the placebo group, respectively.
  • No adverse reactions or oral irritation were reported with the GaAlAs laser treatment.

Conclusions:

  • Low level GaAlAs laser therapy is an effective and safe treatment for both thermal and tactile dentinal hypersensitivity.
  • The study supports the use of GaAlAs laser as a viable therapeutic option for managing dentinal hypersensitivity.