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International Journal of Morphology

On-line version ISSN 0717-9502


RONG, Hu et al. Clinical Study on the Posterior Occlusal Plane and Morphology of Temporomandibular Joint. Int. J. Morphol. [online]. 2019, vol.37, n.4, pp.1347-1352. ISSN 0717-9502.

The objective of the study was to investigate the morphological features of the temporomandibular joint in adult patients with posterior occlusal plane and different inclinations. Fifty five skeletal I occlusion patients with average were included, shooting CBCT in the intercuspal position, divided into 3 groups according to OPP-FH angle, and measurement of the temporomandibular joint morphology was calculated with cone beam computed tomography (CBCT) special software Invivo 5.0, Statistical analysis of three groups of data using SPSS23.0. The condyle usually locates in the middle of the fossa, the maximum axial area of the condyle (A) was statistically significant between the group 1 and the group 3. The internal and external diameter (MD) of the condyle was statistically significant between group 1 and group 3, and group 2 and group 3. The bilateral TMJ morphological features of the three groups were basically symmetrical. The position of the condyle in the fossa is mostly centered, and some of the posterior, the maximum axial area and the internal and external diameter of the condyle are different in three groups.

Keywords : Morphological characteristics; Temporomandibular joint; Occlusal plane; Condyle; Cone Beam Computed Tomography.

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