An analysis of surface congruity in the growing human temporomandibular joint

J. C. Nickel, K. R. McLachlan

Research output: Contribution to journalArticle

20 Scopus citations

Abstract

The influence of condylar position on congruity of the surfaces of the temporomandibular joint (TMJ) was determined. The degree of congruity between the loading surfaces of the condyle and the eminence varied depending on condylar position. Better congruity of surfaces was found in condylar positions consistent with molar biting. Incongruity between surfaces occurred more frequently at the crest of the TMJ eminence and was related to the degree of eminence development. The evidence supports an hypothesis that growth of the TMJ eminence creates incongruities between loading surfaces that predispose to stress concentrations in the anterior regions of the articular surfaces. The findings may help to explain why degenerative lesions commonly occur at the crest of the eminence.

Original languageEnglish (US)
Pages (from-to)315-321
Number of pages7
JournalArchives of Oral Biology
Volume39
Issue number4
DOIs
StatePublished - Apr 1994

Keywords

  • growth
  • joint
  • loading
  • mechanics
  • stress
  • synovial
  • temporomandibular

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Dentistry(all)
  • Cell Biology

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