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Morphometric analysis of maxillary arch dimensions using Cone Beam Computer Tomography (CBCT).

R M Jayasinghe1, I P Thilakumara1, P V K S Hettiarachchi2

  • 1Department of Prosthetic Dentistry, Faculty of Dental Sciences, University of Peradeniya, Sri Lanka.

Journal of Oral Biology and Craniofacial Research
|June 27, 2022
PubMed
Summary

Maxillary arch morphology varies significantly between genders, with shape, width, and depth differing. However, these arch parameters show no significant differences across various age groups in adults.

Keywords:
CBCTCone Beam Computer TomograpgyMaxillary archMorphometric analysis

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Area of Science:

  • Dentistry
  • Oral and Maxillofacial Surgery
  • Orthodontics

Background:

  • Maxillary arch morphology is crucial for various dental specialities.
  • Understanding these dimensions aids in diagnosis and treatment planning.

Purpose of the Study:

  • To investigate the morphology of the maxillary arch in a Sri Lankan population.
  • To analyze differences in arch parameters based on gender and age.

Main Methods:

  • Retrospective cross-sectional study of 109 Cone Beam Computed Tomography (CBCT) scans.
  • Measurements of arch width, depth, and height were taken using EzDent software.
  • Statistical analysis included Mann Whitney U test and Kruskal Wallis test.

Main Results:

  • The oval maxillary arch shape was most prevalent (64.8%), followed by the V-shaped arch (29.2%).
  • Statistically significant differences were found in multiple arch parameters between males and females.
  • No significant differences in maxillary arch parameters were observed among different adult age groups.

Conclusions:

  • Gender significantly influences maxillary arch dimensions and shape.
  • Age does not appear to be a significant factor in maxillary arch parameters in adults aged 18-60.
  • These findings provide valuable data for dental professionals in Sri Lanka.