Biomechanical Evaluation Of Marginal Bone Loss in The Surrounding Bone Under Different Loading: 3D FE Study

Abdelhak Ouldyerou, Ali Merdji, Laid Aminallah, Velaphi Msomi, Perk Lin Chong, Sandipan Roy

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The marginal bone loss remains a controversial issue and one of the major complications in the field of oral and bone health. The goal of this study was to evaluate the biomechanical effect of the implant length, marginal bone loss (MBL) levels, and loads magnitude under axial and buccolingual loading on stress at the bone-implant interface. Four cases models were created (without bone loss, 0.5 mm bone loss, 1 mm bone loss, and 1.5 mm bone loss) and two implants with different lengths (Type A with 12 mm and Type B with 15mm) using Solidworks. In the first part, an axial load of 100 N and a buccolingual load of 50 N were applied separately on the occlusal face of the crown. In the second part, different loadings magnitude (100N, 150N, 200N, 250N) were applied separately with implant A. Simulation results show that the stresses were higher with implant B in cortical bone compared to implant A, and as the bone loss increases, the von Mises stress and displacement in the bone increases in all cases. The stresses were higher in buccolingual loading compared to axial loading, and a higher magnitude of different loading generate higher stresses in the bone tissue. Through this study, it was concluded that progressive marginal bone loss and excessive loading produce higher stresses in the bone tissue and that may affect the bone remodeling process.
Original languageEnglish
JournalInternational Journal for Multiscale Computational Engineering
Publication statusPublished - 30 Apr 2022


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