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The Relation Between Morphometric Features and Susceptibility to Mandibular Angle Fractures.

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Mandibular angle fractures are linked to specific facial features. Increased gonial angle, condylar neck width, and wisdom tooth impaction predict these fractures, while ramus height shows a negative correlation.

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Orthodontics
  • Forensic Anthropology

Background:

  • Mandibular angle fractures are common facial injuries.
  • Previous research suggests a link between impacted wisdom teeth and these fractures.
  • Limited studies explore correlations between facial skeletal morphology and mandibular angle fractures.

Purpose of the Study:

  • To investigate the relationship between skeletal morphologic parameters and mandibular angle fractures.
  • To identify specific facial features that may predict the occurrence of these fractures.

Main Methods:

  • Retrospective study of 100 patients with mandibular fractures (2013-2017).
  • Analysis of facial skeletal morphologic features as predictor variables.
  • Identification of mandibular angle fractures as the outcome variable.

Main Results:

  • 42% of patients sustained mandibular angle fractures.
  • Positive correlations found between angle fractures and gonial angle, condylar neck width, and wisdom tooth prevalence/impaction.
  • Negative correlation observed between angle fractures and ramus height.

Conclusions:

  • Enlarged anterior vertical growth, indicated by gonial angle and ramus height, predicts mandibular angle fractures.
  • Condylar neck width and wisdom tooth impaction are also significant predictors.
  • Facial skeletal morphology plays a crucial role in the susceptibility to mandibular angle fractures.