Stress distribution is susceptible to the angle of the osteotomy in the high oblique sagittal osteotomy (HOSO): biomechanical evaluation using finite element analyses

Herrera-Vizcaíno Carlos, Baselga Lahoz Marta, Pelliccioni Monrroy Orlando, Udeabor E Samuel, Robert Sader and Lukas Benedikt Seifert

Computer Methods in Biomechanics and Biomedical Engineering, 2021, vol. 24, issue 1, 67-75

Abstract: Aim This computational study aimed to evaluate the influence of the angle of the osteotomy when performing a high oblique sagittal osteotomy over the distribution of stress to the osteosynthesis plates and mandibular segments. Material and methods: For this purpose, a finite element analysis of different combinations was carried out based on the osteotomy angle and mandibular mobilization using Autodesk Inventor® resulting in a total of 72 simulations. To check the correlation between the osteotomy angles with respect to the tension in the mandibular structure in different mobilizations, a student t-test was used. Results: The results of the advancement mobilizations (2.5 mm to 5.5 mm) reported increasing values for tension in the probe of the fourth screw and in the probe of the plate surface as the osteotomy angle increased (p-value

Date: 2021
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DOI: 10.1080/10255842.2020.1810242

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