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Effect of Noise Cancelling Devices on Dental Handpieces Using Ear Model

  • Journal of the Korean academy of pediatric dentistry
  • Abbr : J Korean Acad Pediatr Dent
  • 2020, 47(1), pp.62-69
  • DOI : 10.5933/JKAPD.2020.47.1.62
  • Publisher : The Korean Academy Of Pediatric Dentistry
  • Research Area : Medicine and Pharmacy > Dentistry
  • Received : June 14, 2019
  • Accepted : August 27, 2019
  • Published : February 29, 2020

Seunghan Mo 1 Jungu Kang 2 Ik-Hwan Kim ORD ID 1 HYUNG JUN CHOI ORD ID 1 Je Seon Song ORD ID 1 YOOSEOK SHIN 1

1연세대학교
2연세대학교 치과대학

Accredited

ABSTRACT

This study intended to evaluate noise level of dental handpieces and the effects of noise cancelling devices. An ear model was designed to measure the level of the noise delivered to the inner ear during dental handpiece operation. The level of noise was measured in various conditions using the ear model and the portable noise meter. Noise level was measured again after applying of 4 different noise cancelling devices to the model ear. The noise level of dental handpieces was 82.5 - 84.4 dB. When 4 types of noise canceling devices were applied, the noise level reduced to 67.4 - 73.8 dB. All 4 devices had statistically significant effect in reducing the noise of the handpiece. Considering the intensity and exposure time, noise in dental clinics can cause hearing damage to dentists. For protection from the risk of occupational hearing damages, noise canceling devices can be recommended.

Citation status

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