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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
- Authors
- Issue Date
- 2017-05
- Publisher
- Elsevier USA
- Citation
- Oral Surgery Oral Medicine Oral Pathology Oral Radiology, Vol.123 No.5, pp.E148-E152
- Abstract
- 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.
- ISSN
- 2212-4403
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