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측두하악장애 환자의 하악골 형태와 교합 특징에 관한 연구

Research on mandibular morphology and occlusal feature in TMD patients

대한노년치의학회지 2019년 15권 2호 p.45 ~ 50
배선미, 김영준, 최항문, 박문수,
소속 상세정보
배선미 ( Bae Sun-Mee ) - Gangneung-Wonju National University College of Dentistry Department of Oral Medicine and Diagnosis
김영준 ( Kim Young-Jun ) - Gangneung-Wonju National University College of Dentistry Department of Oral Medicine and Diagnosis
최항문 ( Choi Hang-Moon ) - Gangneung-Wonju National University College of Dentistry Department of Oral and Maxillofacial Radiology
박문수 ( Park Moon-Soo ) - Gangneung-Wonju National University College of Dentistry Department of Oral Medicine and Diagnosis

Abstract


Purpose: The purpose of this study was to analyze mandibular morphology and occlusal feature in healthy controls and temporomandibular disorder (TMD) patients.

Methods: Thirty healthy subjects and Thirty TMD patients participated in this study respectively. We made three measurements in mandibular morphology (medio-lateral dimension, antero-posterior dimension and intercondylar angle) using conebeam computed tomography image and eight measurements in occlusal feature (intercanine distance, inter-first molar distance, anterior arch length, total arch length, SNA, SNB, ANB and Go-Me) using diagnostic cast, lateral cephalometric radiograph.

Results: There was no difference between two groups in canine distance, first molar distance, and molar vertical distance.
Mandibular anterior arch length was significantly lower in the TMD group than control group, and the total arch length of TMD group was significantly smaller than that of control group in the maxilla and mandible. In comparison of cephalometric radiograph measurements, there was no difference between two groups in SNA, SNB, ANB, and Go-Me / FH, which are indicators of skeletal malocclusion. No significant difference was found between the two groups
in the comparison of the mandibular condyle size and the intercondylar angle measurements.

Conclusions: We couldn’t find any definite relationship between mandibular morphology, occlusal feature and TMD.

키워드

Mandibular morphology; Occlusal feature; Temporomandibular disorder

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