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Related Experiment Video

Updated: Mar 5, 2026

Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model
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Anatomical changes in the East Asian midface skeleton with aging.

A Jeon1, K H Sung1, S D Kim2

  • 1Department of Anatomy, College of Medicine, Chung-Ang University.

Folia Morphologica
|March 30, 2017
PubMed
Summary

The canine fossa deepens with age, becoming more concave. This finding suggests the canine fossa angle is a useful indicator for assessing midface aging in the Asian population.

Keywords:
Background: Understanding the aging process of the midface skeleton is considered crucial for correct facial rejuvenation. Howeveran important morphological feature of the midface skeletonhas not yet been observed in connection withthe canine fossa

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Area of Science:

  • Anatomy
  • Aging Research
  • Anthropology

Background:

  • Facial rejuvenation requires understanding midface skeleton aging.
  • The canine fossa, a key maxillary bone feature, has not been studied in relation to aging.
  • This study investigates canine fossa depression in the Asian midface skeleton.

Purpose of the Study:

  • To evaluate the aging process of the Asian midface skeleton.
  • To assess the canine fossa's role in midface aging.
  • To determine if canine fossa morphology changes with age.

Main Methods:

  • Three-dimensional (3D) reconstruction of computed tomography (CT) scans from 114 Koreans.
  • Measurement of canine fossa, maxillary, and piriform angles on 3D models.
  • Analysis of age-related changes in bony regions for males and females.

Main Results:

  • The canine fossa angle significantly decreased with age in both sexes, indicating increased concavity.
  • Maxillary and piriform angles showed no significant age-related changes in females.
  • Aging affects canine fossa depth more prominently than other midface angles.

Conclusions:

  • The canine fossa angle serves as an effective marker for anatomical changes in the midface with aging.
  • Canine fossa morphology changes are indicative of midface aging.
  • Further research can utilize canine fossa measurements for aging assessments.