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Correlation between maximum bite force and facial morphology in children

B Ingervall¹, C Minder

¹Department of Orthodontics, University of Bern, Switzerland. bengt.ingervall@insel.ch

The Angle Orthodontist

|January 1, 1997

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Maximum bite force in girls is linked to specific facial features like mandibular inclination and gonial angle, unlike in boys. Occlusal contacts also influence bite force across both sexes.

Area of Science:

Orthodontics
Craniofacial Biology
Biomechanics

Background:

Facial morphology and masticatory muscle function are interconnected.
Understanding these relationships is crucial for diagnosing and treating various conditions.

Purpose of the Study:

To investigate the correlation between maximum bite force and facial morphology in children and adolescents.
To explore potential gender differences in these correlations.

Main Methods:

Maximum bite force measured at first molars using a miniature bite force recorder.
Facial morphology assessed via profile cephalograms.
Number of occlusal contacts recorded using occlusal foils.

Main Results:

Related Experiment Videos

In girls, bite force correlated with mandibular inclination, gonial angle, and posterior-to-anterior face height ratio.

Correlations were weaker or absent in boys.

Bite force correlated with occlusal contacts in both sexes.

After controlling for age and occlusal contacts, significant correlations between bite force and gonial angle/mandibular inclination remained in girls.

Conclusions:

Gender and occlusal contacts are significant factors in bite force and facial morphology relationships.
Future research on masticatory muscle function should account for these variables.