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Related Experiment Video

Updated: Jan 27, 2026

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
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Clinician Perceptions of 4 Hearing Protection Devices.

J Spomer1, C G Estrich1, D Halpin1

  • 11 American Dental Association Science Institute, Chicago, IL, USA.

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|April 2, 2019
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Summary

Dental professionals face hearing loss risk from operatory noise. This study evaluated hearing protection devices (HPDs), finding electronic earplugs like DI-15 High-Fidelity Electronic Earplugs are preferred for comfort and communication.

Keywords:
battery lifedentistsearplugshearing losshearing protection productsproduct evaluation

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Area of Science:

  • Audiology
  • Occupational Health
  • Dental Practice Management

Background:

  • Dental operatory equipment generates noise levels that pose a risk of hearing damage to dental professionals.
  • Despite intermittent exposure, dentists and other dental care providers are susceptible to noise-induced hearing loss.
  • Effective hearing protection devices (HPDs) are crucial for maintaining auditory health in the dental environment.

Purpose of the Study:

  • To evaluate dentist perceptions and preferences for commercially available hearing protection devices (HPDs).
  • To assess the usability and effectiveness of different HPDs in a clinical dental setting.
  • To provide practical insights for incorporating HPDs into daily dental practice.

Main Methods:

  • Fifteen dentists evaluated four different hearing protection devices (HPDs) in a randomized sequence.
  • Data on user perceptions, including ease of insertion, aesthetics, and ability to communicate, were collected via questionnaires.
  • Qualitative assessments and analysis of battery requirements for electronic HPDs were conducted.

Main Results:

  • Statistically significant differences were found among HPDs regarding ease of insertion, aesthetics, audibility during handpiece use, and ear openness (P ≤ 0.0031).
  • Dentists prioritized ease of hearing, communication ability, and comfort when wearing HPDs.
  • The DI-15 High-Fidelity Electronic Earplugs were ranked highest, followed by Music PRO Electronic Earplugs; battery life was comparable between electronic models.

Conclusions:

  • Dentists should be aware of the risks of hearing loss and the availability of effective HPDs.
  • Hearing protection devices can be incorporated into dental practice without compromising patient communication.
  • Electronic HPDs, particularly the DI-15 High-Fidelity Electronic Earplugs, offer a viable solution for protecting dental professionals' hearing while maintaining auditory function.