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3차원 유한요소분석에 의한 소형견의 견치와 열육치의 교합력 방향 분석

Analysis of the direction of the canine and carnassial of small dog by 3D FEM

대한치과기공학회지 2020년 42권 2호 p.139 ~ 145
박유진, 최성민,
소속 상세정보
박유진 ( Park Yu-Jin ) - Catholic University of Pusan
최성민 ( Choi Sung-Min ) - Catholic University of Pusan

Abstract


Purpose: This study is for the prosthesis of dog. Observed the occlusal relation between the small dog canine and carnassial teeth. The direction of the bite force was analyzed by 3D FEM(finite element method).

Methods: The mandibular canine and carnassial of dog were tested. The skull of dog was contact point confirmed by dental CAD. The skull of dog was scaned using CT and a 3D model was created. The 3D model was analyzed ABAQUS. Closing movement has been 100N, 200N, 300N, 500N, 1000N, 1500N. The Direction of bite force was confirmed.

Results: As occlusal force increased, the direction of bite force appeared to (-y), (-x,-y,-z), (-x,-y), (-x,-y,+z), (-x,-y,+ z), (+x,-y) in mandibular left canine. And the direction was seen at (+x, -y), (+x,-y,-z), (+x,-y), (-x,-y,+z), (-x,-y,+z), (+x,-y). When the occlusal load is 100 N, 200 N, 300 N, 500 N, the direction of the mandibular carnassial appears as (-x, -y, -z), and when the occlusal load is 1000 N, 1500 N, the direction appears as (-x,-y).

Conclusion: The mandibular canine showed irregularities in the coordinates of the direction of the bite force, and the mandibular carnassial showed regularity in the coordinates of the direction of the bite force.

키워드

Veterinary Dental Prosthetics; 3D FEM analysis; Canine; Carnassial; Bite force

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