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Related Experiment Videos

Dentofacial morphology in professional opera singers.

V Brattström1, L Odenrick, R Leanderson

  • 1Karolinska Institutet, Department of Orthodontics, School of Dentistry, Stockholm, Sweden.

Acta Odontologica Scandinavica
|June 1, 1991
PubMed
Summary

Professional singers, individuals with high facial muscle activity, exhibit distinct dentofacial morphology compared to controls. This suggests a link between facial muscle use, breathing, and bone structure.

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Area of Science:

  • Dentofacial morphology
  • Biomechanics
  • Human physiology

Background:

  • The relationship between muscle activity and bone development is primarily understood through animal studies.
  • Facial muscles play a crucial role in mastication, speech, and respiration, potentially influencing skeletal structure.

Purpose of the Study:

  • To investigate the dentofacial skeletal characteristics of individuals with high facial muscle activity.
  • To explore the potential association between facial muscle hyperactivity and dentofacial morphology in professional singers.

Main Methods:

  • Lateral cephalograms were obtained from a group of professional singers (Royal Opera Choir, Stockholm).
  • A control group was established for comparative analysis.
  • Cephalometric analysis was performed to measure skeletal dimensions.

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Main Results:

  • Significant differences were observed in the dentofacial structures of singers compared to the control group.
  • Key differences included variations in mandible length, maxilla length, and increased facial height.
  • These findings suggest a correlation between muscle activity and skeletal development.

Conclusions:

  • Facial muscle hyperactivity and respiratory hyperfunction in professional singers are associated with distinct dentofacial morphology.
  • The study provides evidence for the influence of functional demands on craniofacial development.
  • Further research can explore the specific mechanisms linking muscle function and skeletal adaptation.