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KMID : 0952820120150020051
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Journal of Korean Cleft Lip & Palate Association
2012 Volume.15 No. 2 p.51 ~ p.60
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The Effects of Type of Rapid Palatal Expansion Appliance on the Circummaxillary Sutures : A 3D FEA study
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Kim Yu-Wan
Moon Yoon-Shik
Sung Sang-Jin
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Abstract
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Craniofacial sutures absorb the stress transferred to skull. It was reported the cells of craniofacial sutures respond to exogenetic factors to be involved in growth control mechanism. In this study, we constructed a finite element model composed of cortical bone, cancellous bone, suture, PDL, and teeth by using CT images of a growing patient, simulating maxillary expansion to evaluate the effects of the thickness of sutures and type of maxillary expansion appliance on stress distribution in circummaxillary sutures.
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KEYWORD
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Suture, Maxillary expansion, Finite element analysis
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