Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

A three-dimensional mathematical model of the human masticatory system predicting maximum possible bite forces.

J H Koolstra1, T M van Eijden, W A Weijs

  • 1Department of Anatomy and Embryology, Academic Center for Dentistry, Amsterdam, The Netherlands.

Journal of Biomechanics
|January 1, 1988
PubMed
Summary

This study models the human masticatory system to simulate bite forces. The mathematical model reveals maximum bite force magnitude and direction vary with location and jaw position.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Mineralization and thickness of the condylar cortex in skeletal remains of children's mandibles: A preliminary study.

Archives of oral biology·2023
Same author

Determination of intra-oral surface areas by cone-beam computed tomography analysis and their relation with anthrometric measurements of the head.

Surgical and radiologic anatomy : SRA·2020
Same author

Aging does not change the compressive stiffness of mandibular condylar cartilage in horses.

Osteoarthritis and cartilage·2018
Same author

The relationship between a dolichofacial morphology and bone adaptation of the articular tubercle.

Archives of oral biology·2017
Same author

The contribution of collagen fibers to the mechanical compressive properties of the temporomandibular joint disc.

Osteoarthritis and cartilage·2016
Same author

How muscle relaxation and laterotrusion resolve open locks of the temporomandibular joint. Forward dynamic 3D-modeling of the human masticatory system.

Journal of biomechanics·2016

Area of Science:

  • Biomechanics
  • Biomedical Engineering
  • Computational Anatomy

Background:

  • The human masticatory system involves complex interactions between muscles and joints.
  • Understanding masticatory forces is crucial for diagnosing and treating dental and jaw disorders.

Purpose of the Study:

  • To develop and validate a three-dimensional mathematical model of the human masticatory system.
  • To simulate static bite forces and joint reaction forces under various conditions.
  • To investigate the relationship between bite force direction, magnitude, location, and mandibular position.

Main Methods:

  • A 3D mathematical model incorporating 16 muscle forces and 2 joint reaction forces was created.
  • System parameters were derived from cadaver head data.

Related Experiment Videos

  • Optimization techniques, minimizing the most active muscle's relative activity, were used to compute maximum bite forces.

    • Main Results:

    • The model predicts a wide range of possible bite force directions for any given bite point.
    • Maximum bite force magnitude is dependent on its direction.
    • The relationship between bite force direction and maximum magnitude varies with bite point location and mandibular position.

    Conclusions:

    • The developed model provides insights into the biomechanics of the human masticatory system.
    • Maximum bite force capabilities are complex and not solely determined by perpendicular force application.
    • This model can aid in understanding masticatory function and dysfunction.