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Comparative evaluation of the sliding plate technique for fixation of a sagittal split ramus osteotomy: finite element analysis

Cited 11 time in Web of Science Cited 11 time in Scopus

Larson, Brent E.; Lee, Nam Ki; Jang, Moon Jung; Jo, Deuk Won; Yun, Pil Young; Kim, Young Kyun

Issue Date
Elsevier USA
Oral Surgery Oral Medicine Oral Pathology Oral Radiology, Vol.123 No.5, pp.E148-E152
Objective. This study evaluated the stress distribution of the sliding plate (SP) and conventional miniplate (CM) fixation techniques of a sagittal split ramus osteotomy (SSRO) using 3-dimensional (3-D) finite element analysis. Study Design. Four 3-D finite element models according to the number and shape of screw holes in the plate were simulated, and the von Mises stress was analyzed: SP with 2 round and 2 oval holes (SP-2 R2 O), SP with 2 round and 1 oval holes (SP-2 R1 O), CM with 4 round holes (CM-4 R), and CM with 3 round holes (CM-3 R). Results. The fixation technique with CM-4 R showed a better stress distribution than CM-3 R, which in turn showed better results compared to the 2 different SPs. SP-2 R2 O showed the worst stress distribution in the bone and fixation components. Conclusions. The results suggest that the SP-2 R2 O technique increases the stress distribution of the plate and screws, which may reduce the stability of fixation after SSRO.
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Yun, Pil Young윤필영
  • School of Dentistry
  • Department of Dentistry
Research Area Dentistry, Oral Pathology, Oral and Maxillofacial Surgery, 구강병리학, 구강악안면외과학, 치의학


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