Abstract
The aim of this study was to evaluate the stress distribution and displacement values
of six different miniplate systems in large mandibular advancement after sagittal
split ramus osteotomy (SSRO) with finite element analysis (FEA). A three-dimensional
model of a mandible was created and a 10-mm advancement SSRO was simulated. The model
was fixed using four-hole miniplate, six-hole miniplate, a newly designed six-hole
miniplate and their curved versions. Maximum principal stress values for bone, von
Mises stress values for osteosynthesis materials, and the amount of displacement between
segments were measured. The highest von Mises value was observed in the curved version
of novel design six-hole miniplate; the lowest value was detected in four-hole curved
miniplate. The lowest value of maximum principal stress in the bone was found in the
curved version of the novel design six-hole miniplate. The least displacements between
segments were also recorded in the new designed straight miniplate; therefore, for
large mandibular advancement surgery, this novel six-hole miniplate may be a promising
option with positive biomechanical characteristics.
Keywords
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Article Info
Publication History
Accepted:
July 26,
2022
Received in revised form:
July 11,
2022
Received:
March 2,
2022
Publication stage
In Press Accepted ManuscriptIdentification
Copyright
© 2022 The British Association of Oral and Maxillofacial Surgeons. Published by Elsevier Ltd. All rights reserved.
