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Temporomandibular Joint Pain Measurement by Bite Force and Von Frey Filament Assays in Mice

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Maximum voluntary molar bite force in subjects with malocclusion: multifactor analysis.

Mohammad Khursheed Alam¹, Ahmed Ali Alfawzan²

¹Orthodontic Division, Department of Preventive Dental Science, College of Dentistry, Jouf University, Sakaka, Saudi Arabia.

The Journal of International Medical Research

|October 14, 2020

Summary

Maximum voluntary molar bite force (MVMBF) is influenced by several factors in orthodontic patients. Higher bite force was observed in older males with specific malocclusion traits and better lip competency.

Keywords:

Bite force confounding variables cross-sectional study fixed orthodontic treatment lip competency malocclusion midline shift

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Published on: July 24, 2018

Area of Science:

Orthodontics
Dental Biomechanics
Craniofacial Research

Background:

Maximum voluntary molar bite force (MVMBF) is a critical biomechanical parameter in orthodontics.
Understanding factors influencing MVMBF is essential for treatment planning and predicting outcomes.
Previous research has explored various determinants, but a comprehensive analysis in a specific population is valuable.

Purpose of the Study:

To investigate the relationship between maximum voluntary molar bite force (MVMBF) and nine key variables.
To identify demographic, occlusal, and morphological factors affecting bite force in Saudi orthodontic patients.

Main Methods:

A cross-sectional study involving 100 Saudi orthodontic patients (aged 14-25 years).
Measurement of baseline MVMBF on the right and left first molar regions using a portable occlusal force gauge.
Evaluation of age, sex, lip competency, midline shift, dental/skeletal malocclusion, overjet, overbite, and crowding.

Main Results:

MVMBF showed significant variation across all nine assessed confounding variables.
Increased MVMBF was associated with age over 18 years, male sex, and right-side lip competency.
Higher bite force was also linked to the absence of midline shift, Class I malocclusion, normal overjet, normal overbite, and mild crowding.

Conclusions:

All nine investigated variables significantly impact maximum voluntary molar bite force.
These findings highlight the multifactorial nature of bite force in orthodontic patients.
Clinical implications include considering these factors for personalized orthodontic treatment strategies.