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

Anatomic basis for disk displacement in temporomandibular joint (TMJ) dysfunction

S Wongwatana1, J H Kronman, R E Clark

  • 1Tufts University School of Dental Medicine, Boston, Mass.

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
|March 1, 1994
PubMed
Summary

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

Answer to the letter to the editor of T. Tanaka, et al. concerning "patients on antidepressants are more likely to be discharged to inpatient rehabilitation after lumbar fusion" by J. Dalton, et al. (Eur spine J 2025: doi: 10.1007/s00586-025-08815-y).

European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·2025
Same author

Arthroscopic Osteochondral Autograft Transplantation (OAT) in Patients with Focal Osteochondral/Chondral Lesions of the Knee Mid-Term Clinical Outcome.

Malaysian orthopaedic journal·2025
Same author

Retrospective Comparative Analysis of Clinical and Functional Outcome After Arthroscopic Bankart Repair using All-Suture Anchor and Metal Anchor.

Malaysian orthopaedic journal·2024
Same author

Synthesis and characterization of nanostructured graphene-doped selenium.

RSC advances·2023
Same author

Thermal analysis of novel third-generation phase-change materials with zinc as a chemical modifier.

RSC advances·2023
Same author

Superior semi-circular canal dehiscence syndrome: quantifying the effectiveness of treatment from the patient's perspective.

The Journal of laryngology and otology·2022

Direct attachment of the superior head of the lateral pterygoid muscle to the temporomandibular joint (TMJ) disk significantly correlates with anterior disk displacement. However, this muscle may only maintain displacement, not cause it.

Area of Science:

  • Temporomandibular Joint (TMJ) Disorders
  • Biomechanical Analysis
  • Anatomy

Background:

  • The temporomandibular joint (TMJ) disk is crucial for joint function.
  • The superior head of the lateral pterygoid muscle (SLP) has a debated role in TMJ disk displacement.
  • Understanding muscle attachment is key to TMJ disk pathomechanics.

Purpose of the Study:

  • To investigate the insertion site of the SLP into the TMJ disk.
  • To determine the relationship between SLP attachment and TMJ disk displacement.
  • To clarify the SLP's role in the etiology and maintenance of disk displacement.

Main Methods:

  • Histological examination of 78 cadaver TM joints.
  • Sagittal sectioning of TM joint specimens.

Related Experiment Videos

  • Analysis of SLP attachment relative to the TMJ disk and disk position.

    • Main Results:

    • A statistically significant relationship was found between direct SLP insertion into the disk and anterior disk displacement (p = 0.006).
    • 42 specimens had direct SLP insertion, with 30 showing anterior disk displacement.
    • 36 specimens lacked direct insertion, with only 19 showing displacement.

    Conclusions:

    • Direct SLP attachment to the TMJ disk is significantly associated with anterior disk displacement.
    • The SLP may maintain disk displacement but is unlikely to be the primary cause.
    • In normal TMJ configurations, the SLP's role in displacement may be clinically insignificant.