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Related Experiment Videos

A method for protrusive mandibular force measurement in children.

K Chintakanon1, K S Türker, W J Sampson

  • 1Dental School, The University of Adelaide, SA, Australia.

Archives of Oral Biology
|March 15, 2000
PubMed
Summary

This study found that male children exhibit higher maximum protrusive mandibular force than females. However, factors like age and facial structure did not correlate with this force in children with similar occlusions.

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Area of Science:

  • Dentistry
  • Biomechanics
  • Pediatric Health

Background:

  • Understanding mandibular function is crucial in pediatric dentistry.
  • Protrusive mandibular force plays a role in mastication and overall oral health.
  • Limited research exists on protrusive force variations in children.

Purpose of the Study:

  • To investigate protrusive mandibular force in a homogeneous group of children.
  • To identify factors influencing maximum protrusive force and fatigue time.
  • To establish normative data for protrusive mandibular force in pediatric populations.

Main Methods:

  • A novel method was employed to measure protrusive mandibular force.
  • The study included 69 children with similar occlusions.

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  • Measurements included maximum force and fatigue time, with analysis of correlations to various anthropometric and occlusal parameters.

    • Main Results:

    • Maximum protrusive force ranged from 18.5 to 160 N (mean 81.3 N).
    • Males demonstrated significantly higher maximum protrusive force (90.7 N) compared to females (66.6 N).
    • No significant differences in fatigue time were observed between sexes. Protrusive force showed variability between experimental days but stability within sessions. No correlation was found with age, skeletal maturity, or facial/occlusal measurements.

    Conclusions:

    • Sex is a significant factor in determining maximum protrusive mandibular force in children.
    • Protrusive mandibular force exhibits day-to-day variability within individuals.
    • Current anthropometric and occlusal measures do not predict protrusive force in this pediatric cohort.