Materials and Methods: Compared the signs of ordinary X-ray film, 2d-ct and 3d-ct with the operation and pathology of 20 cases of the mandibular condyle diseases.

材料和方法：对20例髁状突病变常规X线、二维ct和三维ct显示结果与手术病理结果进行对比分析。

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Purpose:To study the value of three-dimensional CT(3D-CT)and analyze the advantage and shortcome of ordinary X-ray film, two-dimensional CT(2D-CT), in the diagnosis of mandibular condyle diseases.

目的：探索三维CT在髁状突病变中的应用价值，分折其与常规X线和二维CT间的优缺点。

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Gamma-rays are the most energetic form of light, with wavelengths far shorter than ordinary optical light (the light your eye can see), or even ultraviolet or X-ray light.

CNN: Why gamma-ray burst shocked scientists