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Related Experiment Videos

Mandibular rotation and lower face height indicators.

J Ghafari1, I Brin, M B Kelley

  • 1Department of Orthodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia 19104.

The Angle Orthodontist
|January 1, 1989
PubMed
Summary

Assessing lower face height and mandibular rotation in children aged 7 and 12, this study found the mandibular plane to be a more reliable indicator of changes in mandibular position than the corpus axis.

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Area of Science:

  • Orthodontics
  • Craniofacial development
  • Pediatric dentistry

Background:

  • Understanding craniofacial growth is crucial in orthodontics.
  • Mandibular rotation influences facial aesthetics and function.
  • Accurate assessment of mandibular position is key for treatment planning.

Purpose of the Study:

  • To compare the effectiveness of the corpus axis and mandibular plane in indicating changes in mandibular position.
  • To evaluate lower face height indicators and mandibular rotation in children.
  • To identify reliable cephalometric parameters for assessing mandibular growth.

Main Methods:

  • Longitudinal assessment of 46 children at ages 7 and 12.
  • Analysis of lower face height indicators.

Related Experiment Videos

  • Measurement of mandibular rotation using the corpus axis and mandibular plane.
  • Correlation analysis to compare the parameters.

    • Main Results:

    • Parameters utilizing the mandibular plane demonstrated higher correlation coefficients.
    • The mandibular plane proved more consistent in reflecting changes in mandibular position.
    • Significant differences in growth patterns were observed between ages 7 and 12.

    Conclusions:

    • The mandibular plane is a superior indicator for assessing changes in mandibular position during childhood growth.
    • These findings can refine diagnostic tools in pediatric orthodontics.
    • Further research should explore the clinical implications of these indicators in diverse populations.