Treatment of dentin hypersensitivity by Nd:YAG laser

J Clin Laser Med Surg. 1996 Apr;14(2):89-92. doi: 10.1089/clm.1996.14.89.

Abstract

Our previous study indicated that dentin surface irradiated with an Nd:YAG laser at an energy output of 30 mJ, 10 pulses/sec (pps), for 2 min resulted in a melted surface and a closure of exposed dentinal tubules orifices, but without dentin surface cracking. The purpose of this study is to evaluate the effectiveness of the Nd:YAG laser in the treatment of dentin hypersensitivity. Thirty subjects participated in this study and were followed for 3 months. Two sites of dentin hypersensitivity in a patient were treated; one received Nd:YAG laser treatment and the other served as control. Dentin hypersensitivity was assessed by mechanical and thermal stimulus. Pulpal vitality was measured using an electrical stimulus. The Nd:YAG laser treatment reduced dentin hypersensitivity to air by 65% and to mechanical stimulus by 72% over 3 months. All teeth remained vital after laser treatment, without adverse reactions or complications. In conclusion, the Nd:YAG laser can be used to reduce dentin hypersensitivity without detrimental pulpal effects.

Publication types

  • Clinical Trial
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Analysis of Variance
  • Dental Pulp Test
  • Dentin Sensitivity / therapy*
  • Evaluation Studies as Topic
  • Female
  • Humans
  • Laser Therapy*
  • Male
  • Middle Aged
  • Neodymium
  • Pain Measurement

Substances

  • Neodymium