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Abstract

BACKGROUND:

Condyle is the growth center of the mandibular, occlusal asymmetry can cause morphologic alterations in condylar.

OBJECTIVE:

To investigate condylar volume and surface area of patients with unilateral scissors-bite assessed by cone-beam computed tomography and to observe the effect of unilateral scissors-bite on the morphology of condylar.

METHODS:

Twenty-nine adults with unilateral scissors-bite were selected as experimental group from the Department of Orthodontics, Stomatology Hospital of Chongqing Medical University. Thirty-two adults with normal occlusion were selected as control group at the same time. All the objects had no orthodontic treatment history. The cone-beam computed tomography was taken before orthodontic treatment and the measurement of volume and surface area was taken by Mimics 10.0 software.

RESULTS AND CONCLUSION:

In the experimental group, the condylar volume and surface area on the noscissors-bite side were smaller than those on the scissors-bite side (P < 0.05). The condylar volume and surface asymmetry index of the experimental group were significantly bigger than those of the control group (P < 0.05). Subjects with unilateral scissors-bite have asymmetrical condyles.

RESULTS AND CONCLUSION:

Wang M, Zhang DM, Feng G, Zhou XF, Dai HW. Condylar volume and surface area in adults with unilateral scissors-bite assessed by cone-beam computed tomography.Zhongguo Zuzhi Gongcheng Yanjiu. 2012;16(13): 2358-2361.

RESULTS AND CONCLUSION:

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