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Related Experiment Video

Updated: Jun 22, 2026

Temporomandibular Joint Pain Measurement by Bite Force and Von Frey Filament Assays in Mice
06:37

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

Published on: September 13, 2024

The relationship between temporomandibular dysfunction and head and cervical posture.

Ricardo Alves Matheus1, Flávia Maria de Moraes Ramos-Perez, Alynne Vieira Menezes

  • 1Dental School of Piracicaba, State University of Campinas, Piracicaba, SP, Brazil.

Journal of Applied Oral Science : Revista FOB
|May 26, 2009
PubMed
Summary

This study found no direct link between temporomandibular joint disc displacement and skull-cervical spine positioning. While some differences were noted in the C0-C1 space, they did not correlate with temporomandibular dysfunction symptoms.

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Last Updated: Jun 22, 2026

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Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
07:26

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology

Published on: August 22, 2022

Area of Science:

  • Orthodontics
  • Radiology
  • Temporomandibular Joint Disorders

Background:

  • Internal derangements of the temporomandibular joint (TMJ) are common.
  • Cervical spine positioning can influence TMJ function.
  • The relationship between TMJ disc displacement and cervical spine parameters requires further investigation.

Purpose of the Study:

  • To investigate the correlation between temporomandibular joint disc displacement and specific parameters of skull positioning relative to the cervical spine.
  • To assess if craniocervical angle, C0-C1 space, cervical curvature, and hyoid bone position differ in individuals with and without TMJ dysfunction symptoms.

Main Methods:

  • Magnetic resonance imaging (MRI) was used to assess temporomandibular joint disc position in 30 symptomatic and 30 asymptomatic individuals.
  • Lateral cephalograms in natural head position evaluated skull-cervical spine parameters.
  • Statistical analysis included Fisher's exact test and kappa statistics.

Main Results:

  • Significant differences were found in the C0-C1 space measurements for both symptomatic and asymptomatic groups (p=0.04 and p=0.02, respectively).
  • No statistically significant differences were observed in craniocervical angle, C1-C2 alignment, or hyoid bone position between groups with and without disc displacement.
  • Despite a significant difference in C0-C1 space, no association with internal temporomandibular joint disorder was established.

Conclusions:

  • No direct relationship was determined between temporomandibular joint disc displacement and the evaluated skull-cervical spine parameters.
  • The observed differences in C0-C1 space did not appear to be clinically associated with internal temporomandibular joint disorders.