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Related Experiment Videos

Aging of the midface bony elements: a three-dimensional computed tomographic study.

Robert B Shaw1, David M Kahn

  • 1Stanford University School of Medicine and Division of Plastic and Reconstructive Surgery, Department of General Surgery, Stanford University Medical Center, Stanford, CA 94305-5715, USA.

Plastic and Reconstructive Surgery
|January 19, 2007
PubMed
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Facial bone structure changes with age, impacting the aged appearance. Glabellar and maxillary angles decrease, while midface aperture area increases, influencing cosmetic surgery techniques.

Area of Science:

  • Anatomy
  • Aging
  • Facial Surgery

Background:

  • Facial volume loss is a key aspect of aging.
  • Age-related changes in facial bone structure are not fully understood.
  • Soft-tissue aging contributes to the aged facial appearance.

Purpose of the Study:

  • To investigate age-related changes in specific facial bony landmarks.
  • To assess the impact of these bony changes on facial cosmetic surgery.
  • To analyze differences in facial bone aging between sexes.

Main Methods:

  • Computed tomographic (CT) scans of facial bones from 60 Caucasian individuals (30 men, 30 women) across three age categories.
  • Three-dimensional reconstruction and volume rendering of CT scans.
  • Measurement of glabellar angle, pyriform angle, maxillary angle, and pyriform aperture area; statistical analysis using t-tests.

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Main Results:

  • Significant decrease in glabellar and maxillary angles with age in both sexes.
  • No significant change in pyriform angle across age groups.
  • Significant increase in pyriform aperture area from young to middle age groups for both sexes.

Conclusions:

  • Bony elements of the midface undergo significant age-related alterations.
  • These bony changes, combined with soft-tissue aging, contribute to the aged facial phenotype.
  • Understanding these bony changes is crucial for effective facial cosmetic surgery.