方法：对烤瓷冠采用外源性染色技术进行再加工，观察临床效果。
Methods To reproduce the PFM with surface stain technique and watch results.
目的测试sy - 1硅橡胶在多种外源性染色剂中的颜色稳定性。
Objective to evaluate the color stability of SY-1 silicone elastomers immersed in coloring agent.
结论：外源性染色技术是弥补烤瓷修复体颜色欠佳及个性特征体现的一种可行方法。
Conclusion Surface stain technique is an effective method for repairing the color defect of PFM and expressing individual character.
结论肠壁内glut 1阳性神经可能为外源性神经，GLUT 1免疫组织化学染色可能对HD具有诊断价值。
Conclusion the mural GLUT-1 immunoreactive nerves might be originated from extrinsic nerves. GLUT-1 immunohistochemical stain might be helpful in the diagnosis of HD.
结论肠壁内glut 1阳性神经可能为外源性神经，GLUT 1免疫组织化学染色可能对HD具有诊断价值。
Conclusion the mural GLUT-1 immunoreactive nerves might be originated from extrinsic nerves. GLUT-1 immunohistochemical stain might be helpful in the diagnosis of HD.
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