目的通过CT法及裸骨投照测量法(以下简称“裸骨法”)测量股骨扭转角的比较，探讨CT测量扭转角的可靠性。

Objective Compared with ct scan method and "bare-bone method" of measuring femoral torsion Angle, to study the reliability of measuring torsion Angle by means of ct method.

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目的：通过在体电阻应变测量法探讨种植体弹性模量的变化对颌骨表面压应变值的影响。

Objective: To study the effects of elastic modulus change of dental implants on the compressive stress in the surface of the jaw of dogs.

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