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Related Experiment Videos

Can dental prostheses influence vocal parameters?

E Seifert1, C Runte, M Riebandt

  • 1Westphalian Wilhelms-University, Muenster, Germany.

The Journal of Prosthetic Dentistry
|April 30, 1999
PubMed
Summary
This summary is machine-generated.

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Dental prostheses can alter voice pitch and range, though not always statistically significant. Patients should be aware that changes in denture thickness or fit may lead to unpredictable, audible voice modifications.

Area of Science:

  • Dentistry
  • Speech Science
  • Acoustics

Background:

  • Dental prostheses can impact speech articulation.
  • The effect of dental prostheses on voice quality remains largely unexplored.
  • Initial observations suggested altered fundamental frequency and voice range with thinner dentures.

Purpose of the Study:

  • To investigate the influence of modified dentures on voice parameters.
  • To evaluate changes in phonation by varying denture thickness and dimensions.
  • To assess the impact on speaking fundamental frequency and voice range.

Main Methods:

  • Twenty subjects had their dentures modified in volume and occlusal dimensions.
  • Phonation was analyzed using a Homoth phonomat.
  • Key voice parameters included speaking fundamental frequency and voice range.

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Main Results:

  • No statistically significant changes in voice parameters were proven across all subjects.
  • However, audible alterations in voice quality were documented for individuals.
  • The study noted unpredictable audible voice changes associated with denture modifications.

Conclusions:

  • Variations in denture thickness, volume, and occlusal dimensions can cause unpredictable voice changes.
  • Patients should be informed about potential vocal effects of new or modified dentures.
  • Dentists should consider voice implications when designing or adjusting prostheses.