Internal Derangements of the Temporomandibular Joint

James J.R. Huddleston Slater, Reny de Leeuw

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

1 Scopus citations


An internal derangement of the temporomandibular joint (TMJ) is anatomically described as a deviation in position or in form of the tissues within the capsule of the joint that interferes with smooth joint movement. Although often regarded as such, an internal derangement is not a diagnostic entity, but it is merely a description of symptoms and signs of a number of clinical problems that involve the joint. Among these clinical problems are disc condyle complex disorders, hypomobility disorders, adherences, hypermobility disorders, fractures, inflammatory disorders, crystal deposition diseases, hyperplasia, and hypoplasia. Clinical features include a snapping or tearing sensation during mouth opening, a sensation of significant instability in the TMJ, or a significant injuring force in the TMJ area. Some patients may have more serious complaints, such as the sudden inability to open the mouth, or the occasional locking of the joint on maximal mouth opening and some may experience significant pain or discomfort. Some patients with these conditions may not require treatment, while others may cause major disturbances for which pervasive interventions are necessary. Conservative treatment is advocated for the management of disc derangements, arthralgia, osteoarthritis, and adherences, although minimally invasive procedures such as lysis and lavage (arthrocentesis) can be considered for refractory cases.

Original languageEnglish
Title of host publicationContemporary Oral Medicine
Subtitle of host publicationA Comprehensive Approach to Clinical Practice
Number of pages38
ISBN (Electronic)9783319723037
StatePublished - Jan 1 2019

Bibliographical note

Publisher Copyright:
© Springer Nature Switzerland AG 2019.


  • Crystal deposition disorders
  • TMJ fractures
  • TMJ inflammatory disorders
  • TMJ internal derangement
  • TMJ mobility disorders
  • Temporomandibular joint

ASJC Scopus subject areas

  • General Dentistry
  • General Medicine


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