To study the three-dimentional characteristic of mandibular condyle morphology and position of adults with skeletal Class Ⅲ malocclusion and mandibular deviation.

Sixty patients with skeletal Class Ⅲ malocclusion and mandibular deviation were included. CT data were stored according DICOM. Maxillary and mandibular three-dimensional reconstruction were performed using Mimics 17.0. To make sure measurements and analyze statistically.

There was no statistical difference in nondeviation group. In deviation group, the condyle coronal plane, condyle horizontal plane, condylar sagittal plane-FH were higher than those in the contralateral side. Sagittal plane of condyle, height of condyle, inner and outer diameter of condyle, length of external oblique side of condyle were smaller than those of contralateral side.

Mandibular condyle position of adults with skeletal Class Ⅲ malocclusion and mandibular deviation was asymmetric. The lateral condyle was more laterally and inferiorly positioned on the contralateral side than deviated side. The height of the lateral condylar process, the mesial and lateral diameter of the lateral condyle and the length of the outer inclined plane are smaller than that of the contralateral side.

Skeletal class Ⅲ malocclusion; Mandibular asymmetry; Condyle; CT