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Related Experiment Videos

[Visibility of front and side teeth].

M Wichmann1

  • 1Zentrum für Zahn-, Mund- und Kieferheilkunde der Medinischen Hochschule Hannover.

ZWR
|August 1, 1990
PubMed
Summary

This study analyzed how much anterior and posterior teeth show when people speak, laugh, or smile. Findings help in planning and creating better dentures.

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Area of Science:

  • Dentistry
  • Dental Aesthetics
  • Biomechanics

Context:

  • Assessing tooth display in diverse facial expressions is crucial for prosthodontic treatment planning.
  • Understanding natural tooth visibility provides a baseline for restorative and cosmetic dentistry.

Purpose:

  • To quantify the visibility of anterior and posterior teeth during various common social interactions.
  • To correlate observed tooth display with practical considerations in denture design and fabrication.

Summary:

  • Photographic data from 220 subjects were scored to determine the percentage of anterior and posterior teeth visible during speaking, laughing, and exaggerated smiling.
  • The study analyzed the extent of tooth exposure across different functional and expressive scenarios.

Impact:

  • Provides essential data for clinicians and dental technicians to improve the esthetic and functional outcomes of complete and partial dentures.
  • Highlights the importance of considering dynamic tooth display in the individualized planning and manufacturing of prosthetic devices.

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