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Comparing condylar height/width in patients with and without posterior crossbites.

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Children with unilateral posterior crossbite show no condylar asymmetry but have larger mandibular condyles compared to peers without malocclusion. This study utilized orthopantomography to assess condylar dimensions in pediatric patients.

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Area of Science:

  • Dentistry
  • Orthodontics
  • Pediatric Dentistry

Background:

  • Unilateral posterior crossbite is a common malocclusion in children.
  • Assessing mandibular condyle morphology is crucial for understanding craniofacial development.
  • Previous research has explored condylar asymmetry in various malocclusions.

Purpose of the Study:

  • To investigate the presence of mandibular condyle asymmetry in children aged 7-9 years with unilateral posterior crossbite.
  • To compare condylar dimensions between children with and without posterior crossbite.
  • To evaluate potential differences in condylar height and width based on malocclusion status.

Main Methods:

  • A sample of 401 children aged 7-9 years was analyzed.
  • Orthopantomography (OPG) was used to capture images of the mandible.
  • Mandibular condyle height and width were measured on both the right and left sides using the Habets method.

Main Results:

  • No significant asymmetry in mandibular condyle height or width was observed between the right and left sides in children with posterior crossbite.
  • Similarly, no significant differences were found between the right and left condyles in the control group without malocclusion.
  • However, children with posterior crossbite exhibited significantly greater mean condylar height and width compared to children without crossbite.

Conclusions:

  • Unilateral posterior crossbite in children aged 7-9 years is not associated with mandibular condyle asymmetry.
  • Children with posterior crossbite present with larger mandibular condyles (height and width) than their non-crossbite peers.
  • These findings suggest that posterior crossbite may be linked to overall mandibular growth rather than localized asymmetry.