Correlation between temporomandibular joint morphology and disc displacement by MRI

J. F.G. De Farias, Saulo Sousa Melo, P. M. Bento, L. S.A.F. Oliveira, P. S.F. Campos, D. P. De Melo

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Objectives: The aim was to evaluate the morphology of the temporomandibular joint's (TMJs) disc and condyle as well as its correlation with disc displacement, using MRI. Methods: 190 TMJs were retrospectively analysed. The condyle morphology of each TMJ was evaluated by two observers using both axial and coronal views, as were their disc morphology and displacement, using sagittal view. Condyle morphology was classified as flat, convex, angled or rounded in the coronal sections and as anterior side flat/posterior side convex, biconvex, anterior side concave/posterior side convex, flat or biconcave in the axial view. Disc morphology was determined as biconcave, biplanar, biconvex, hemiconvex or folded. x2, Fisher exact and Bonferroni correction tests were used to evaluate the data. ANOVA followed by post hoc Tukey's test was used to evaluate the interaction between age and disc displacement. Results: Anterior disc displacement with reduction; convex condyle morphology in the coronal view; anterior side concave/posterior side convex morphology in the axial view; and biconcave discs were found to be the most prevalent findings. An association was observed between disc morphology and disc displacement (p,0.001). No correlation between condyle morphology and TMJ disc displacement was found (p50.291 for axial and p50.14 for coronal views). Conclusions: The results of this study suggest that TMJ disc morphology is associated with disc displacement.

Original languageEnglish (US)
Article number20150023
JournalDentomaxillofacial Radiology
Volume44
Issue number7
DOIs
StatePublished - Jan 1 2015
Externally publishedYes

Fingerprint

Temporomandibular Joint Disc
Bone and Bones
Temporomandibular Joint
Analysis of Variance

Keywords

  • Magnetic resonance imaging
  • Temporomandibular joint disc
  • Temporomandibular joint disorders

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Radiology Nuclear Medicine and imaging
  • Dentistry(all)

Cite this

De Farias, J. F. G., Sousa Melo, S., Bento, P. M., Oliveira, L. S. A. F., Campos, P. S. F., & De Melo, D. P. (2015). Correlation between temporomandibular joint morphology and disc displacement by MRI. Dentomaxillofacial Radiology, 44(7), [20150023]. https://doi.org/10.1259/dmfr.20150023

Correlation between temporomandibular joint morphology and disc displacement by MRI. / De Farias, J. F.G.; Sousa Melo, Saulo; Bento, P. M.; Oliveira, L. S.A.F.; Campos, P. S.F.; De Melo, D. P.

In: Dentomaxillofacial Radiology, Vol. 44, No. 7, 20150023, 01.01.2015.

Research output: Contribution to journalArticle

De Farias, J. F.G. ; Sousa Melo, Saulo ; Bento, P. M. ; Oliveira, L. S.A.F. ; Campos, P. S.F. ; De Melo, D. P. / Correlation between temporomandibular joint morphology and disc displacement by MRI. In: Dentomaxillofacial Radiology. 2015 ; Vol. 44, No. 7.
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