AIM: to investigate the effects of torque force load on the stress distribution in implant bone interface, so as to help the clinical selection of implant location.
目的：研究扭转力载荷对支抗种植体骨界面应力分布的影响，以指导临床正确选择支抗种植体的植入部位。
Forces acting on the bone cells include compressive tensile stress and shear stress. The shear stress is the main force which can be sensed by the bone cells.
作用在骨骼细胞上的应力包括压-拉应力和剪切应力，剪切应力是骨骼细胞能感受到的主要应力作用。
BACKGROUND: Common metal bone fracture plate had powerful stress force shelter reaction in fixed bone segments and moreover, is has no induction and guiding reactions in bone growth.
背景：普通金属接骨板对固定骨段具有强大的应力遮挡作用，且对骨组织生长无诱导及引导作用。
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