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Three-dimensional evaluation of the mandibular condyle in adults with various skeletal patterns.

Authors
  • Mohsen, Ahmed Maher1, 2
  • Ye, Junjie1, 2
  • Al-Nasri, Akram1, 2
  • Chu, Catherine1, 2
  • Zhang, Wei-Bing1, 2, 3, 4
  • 1 Jiangsu Key Laboratory of Oral Disease, Nanjing Medical University, Nanjing, China. , (China)
  • 2 Department of Orthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China. , (China)
  • 3 Department of Stomatology, Dushu Lake Hospital Affiliated to Soochow University, Suzhou, China. , (China)
  • 4 Department of Stomatology, Medical Center of Soochow University, Suzhou, China. , (China)
Type
Published Article
Journal
Korean journal of orthodontics
Publication Date
Mar 25, 2023
Volume
53
Issue
2
Pages
67–76
Identifiers
DOI: 10.4041/kjod22.076
PMID: 36806192
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Morphometric and morphological evaluation of the mandibular condyle in adults and to identify its correlation with skeletal malocclusion patterns. Cone-beam computed tomography scans of 135 adult patients were used in this study and classified into groups according to four criteria: (1) sex (male and female); (2) sagittal skeletal discrepancy (Class I, Class II, and Class III); (3) vertical skeletal discrepancy (hyperdivergent, normodivergent, and hypodivergent); and age (group 1 ≤ 20 years, 21 ≤ group 2 < 30, and group 3 ≥ 30 years). The morphometrical variables were mandibular condyle height and width, and the morphological variable was the mandibular condyle shape in coronal and sagittal sections. Three-dimensional standard tessellation language files were created using itk-snap (open-source software), and measurements were performed using Meshmixer (open-source software). The mandibular condyle height was significantly greater (p < 0.05) in patients with class III malocclusion than in those with class I or II malocclusion; the mandibular condyle width was not significantly different among different sexes, age groups, and sagittal and vertical malocclusions. There were no statistical associations between various mandibular condyle shapes and the sexes, age groups, and skeletal malocclusions. The condylar height was greatest in patients with class III malocclusion. The condylar height and width were greater among males than in females. The mandibular condyle shapes observed in sagittal and coronal sections did not affect the skeletal malocclusion patterns.

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