Method: The stress and strain in implant bone interface for implants with di fferent diameter (3.0 mm,3.75 mm and 5.0 mm), and with 1.47 N loading mesiodist ally were analyzed by 3 dimesion finite element analysis method.

• 方法 :用三维有限元方法给种植体施加 1.；47N(150 g)近远中方向的载荷；分别对直径为 3