期刊
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
卷 30, 期 11, 页码 2328-2340出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15376494.2022.2053908
关键词
Implant design; mechanostat hypothesis; osteoporotic bone; additive manufacturing; finite element analysis
This study investigated the effects of porous dental implants with different neck angles and porosities on osteoporotic and healthy bone. Simulation results showed higher stress in cortical bone with the porous implant and higher strain in osteoporotic bone.
Conventional dense titanium (Ti) implants cause stress shielding, aseptic loosening and implant failure. This study investigates the effects of porous dental implants (63% porous and 77% porous) with different neck angles (straight, 10 degrees and 15 degrees) on the healthy and osteoporotic bone under different loading conditions (axial load and buccolingual load). Simulation results showed that in cortical bone, the von Mises stresses are greater in the case of 77% porous Ti implant A (straight) as compared to implant B and C (10 degrees, 15 degrees angled neck). Overall, in the case of the osteoporotic bone, the strains are higher than the healthy bone.
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