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[A cephalometric analysis of cases with open bite].

D Rak1

  • 1Medicinski centar Split.

Bilten Udruzenja Ortodonata Jugoslavije = Bulletin of Orthodontic Society of Yugoslavia
|January 1, 1990
PubMed
Summary

This cephalometric study found significant skeletal differences in open bite patients compared to normal occlusion. Most facial morphology characteristics showed no significant sex differences.

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Area of Science:

  • Orthodontics
  • Craniofacial Morphology

Background:

  • Open bite is a malocclusion affecting facial structure.
  • Understanding skeletal differences is crucial for treatment planning.

Purpose of the Study:

  • To investigate cephalometric differences in open bite patients.
  • To assess sex-related variations in craniofacial morphology.

Main Methods:

  • Cephalometric analysis of 46 open bite patients (10-18 years) and 180 controls.
  • Measurement of 38 linear and angular variables.
  • Estimation of age and sex-related differences.

Main Results:

  • Open bite group showed significantly increased mandibular angle, basal angle, and Y-axis angle.
  • Facial height proportions were decreased in the open bite group.
  • Lower incisor retroclination was significantly higher in open bite patients.
  • Most morphological characteristics did not differ significantly between sexes.

Conclusions:

  • Open bite is associated with distinct skeletal patterns, particularly involving the mandible and cranial base.
  • Sex is not a major determinant of craniofacial morphology in the studied variables.
  • Findings aid in understanding the skeletal basis of open bite and guiding orthodontic treatment.

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