期刊
出版社
WILEY
DOI: 10.1002/rcs.1854
关键词
ablative tumor surgery; customized mandibular implant; customized surgical osteotomy guide; finite element analysis; mandibular continuity defect
类别
Objectives: The aim of this work was to compare different 12 cases (3 patients * 4 cases = 12 cases) with varying gaps between implant and bone by analyzing the effect of these gaps on implant and screws using FEM. Methods: In each patient's case 1 using CSOG and in case 2, 3, and 4 without using CSOG tumor cutting was done. Hence in each patient zero gaps at case 1 and overcutting at case 2, 3, and 4 have obtained at different locations. Results: FEM results reveal that in each patient's case 4 (maximum gap) was more susceptible to loosening of the screws due to higher strains (37%) and implant failure due to higher stress (28%) concentration under the same loading conditions when compared with case 1 (zero gap). Conclusions: The study reveals that mandibular reconstruction with implant placement using CSOG can significantly enhance the stability and safety of the implant.
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