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Related Experiment Videos

Correlation between various investigation methods of stomatognatic dysfunction.

E Antonescu1

  • 1Faculty of Dental Medicine, University of Medicine and Pharmacy Gr. T. Popa, Iaşi.

Revista Medico-Chirurgicala a Societatii De Medici Si Naturalisti Din Iasi
|April 11, 2000
PubMed
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This study found that asymmetries in the temporomandibular joint (TMJ) and related structures correlate with altered kinesiographic findings and muscular dysfunction in the masticatory and cervical systems. These results highlight the importance of including cervical spine assessments in clinical examinations.

Area of Science:

  • Dentistry
  • Orthodontics
  • Physical Therapy

Background:

  • Stomatognathic system dysfunctions can impact overall physical health.
  • Clinical examination of the masticatory muscles and temporomandibular joint (TMJ) is crucial.
  • The relationship between stomatognathic and cervical systems requires further investigation.

Purpose of the Study:

  • To analyze the correlation between stomatognathic and cervical muscular system testing, tomography, and kinesiography.
  • To investigate asymmetries in the TMJ and their relationship with functional and muscular alterations.
  • To determine the clinical relevance of extending examination to the cervical area.

Main Methods:

  • 78 patients with stomatognathic dysfunctions underwent clinical examination, including masticatory muscles, TMJ, cervical spine, and shoulder girdle tests.

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  • Tomographic analysis (468 images) and kinesiographic surveys (780 test movements, 156 functional movements) were performed.
  • Data from clinical tests, tomography, and kinesiography were correlated.

    • Main Results:

    • Tomographic analysis revealed dimensional and relational asymmetries of TMJ articular elements.
    • These asymmetries correlated with altered kinesiographic tracings, including variations in articular gap and P2/P3 values.
    • Asymmetric condylar movements were linked to muscular dysfunction, evidenced by reduced range of motion and resistive test responses in masticatory muscles (78% AROM, 62% PROM, 8% resistive) and cervical spine (22%).

    Conclusions:

    • Dimensional and relational asymmetries in the TMJ are associated with altered kinesiographic records and muscular dysfunction.
    • The findings suggest a strong link between stomatognathic and cervical systems.
    • Extending clinical examination to include the cervical spine is recommended for a comprehensive assessment of stomatognathic dysfunctions.