Relationship of other joint problems and anterior disc position in symptomatic TMD patients and in asymptomatic volunteers

David Morrow, Ross H. Tallents, Richard W Katzberg, William C. Murphy, Thomas C. Hart

Research output: Contribution to journalArticlepeer-review

38 Scopus citations


Anterior disc position has been highly correlated with temporomandibular disorders (TMD). It was hypothesized that internal derangement of the temporomandibular joint may be a part of a joint phenotype that imparts an increased risk for joint disorders. If this hypothesis is true, an increased prevalence of joint disorders in individuals diagnosed with displaced discs should be expected. A total of 263 symptomatic TMD patients and 82 asymptomatic volunteers was examined. Asymptomatic volunteers with anteriorly displaced discs were twice as likely as asymptomatic volunteers without disc displacements to report pain/dysfunction in other joints. Symptomatic patients with and without displaced discs reported an increase in other joint problems three to four times greater than in asymptomatic subjects. Compared to symptomatic TMD patients without disc displacement, symptomatic TMD patients with anteriorly displaced discs were also twice as likely to report other family members as being affected by TMD. Familial aggregation of TMD and an increased prevalence of other joint problems in these individuals may represent more than a serendipitous occurrence.

Original languageEnglish (US)
Pages (from-to)15-20
Number of pages6
JournalJournal of Orofacial Pain
Issue number1
StatePublished - 1996


  • Comparative study
  • Joint instability
  • Magnetic resonance imaging
  • Mandibular condyle
  • Temporomandibular joint

ASJC Scopus subject areas

  • Clinical Neurology
  • Dentistry(all)


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