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Comparison of volume and position of the temporomandibular joint structures in patients with mandibular asymmetry

Authors
 Jae-Young Kim  ;  Bum-Joon Kim  ;  Kwang-Ho Park  ;  Jong-Ki Huh 
Citation
 ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY, Vol.122(6) : 772-780, 2016 
Journal Title
 ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY 
ISSN
 2212-4403 
Issue Date
2016
Abstract
OBJECTIVE: To evaluate the volume and position of the temporomandibular joint structures, specifically the glenoid fossa and the condylar head, in patients with facial asymmetry. STUDY DESIGN: Fifty-six adult patients were divided into two groups-asymmetry group and control group-based on the severity of the mandibular asymmetry, as seen on their orthopantomograms. The volumes and positions of the bilateral temporomandibular joint components were measured by using computed tomography images and a three-dimensional analysis program. Each of the variables was compared between and within the groups. RESULTS: The volumes of the condyle and the glenoid fossa on the side of the smaller condyle were significantly smaller in the asymmetry group (P < .05) than in the control group. The volumetric ratios of the glenoid fossa and the joint space to the condyle were also significantly higher on that side (P < .001). The distance of the uppermost point of the glenoid fossa from the midaxial plane in the smaller condyle was significantly shorter (P < .05) only in the asymmetry group. CONCLUSIONS: When evaluating mandibular asymmetry, the volume of the glenoid fossa and the volume and vertical position of the condylar head need to be considered in addition to length or width of the condylar head.
Full Text
http://www.sciencedirect.com/science/article/pii/S2212440316303224?via%3Dihub
DOI
10.1016/j.oooo.2016.08.017
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Surgery (구강악안면외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jae Young(김재영) ORCID logo https://orcid.org/0000-0002-9423-438X
Park, Kwang Ho(박광호) ORCID logo https://orcid.org/0000-0003-1942-2986
Huh, Jong Ki(허종기) ORCID logo https://orcid.org/0000-0002-7381-3972
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/152646
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