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后牙固定桥桥体制作的改进李湘婷（西安交通大学校医院口腔科）～～～～～～～～～～～～～～～～～～～～固定桥受力后会出现类似力学上的简支粱受力反应，使基牙负重。而负重的传导取决于固位体与桥体的连接状况。若固位体与桥体之间能获得尽可能大的焊接面积，则有利于...
Posterior fixed bridge bridge made improvements Li Xiangting (Xi'an Jiaotong University School of Stomatology) ~~~~~~~~~~~~~~~~~~~~ Fixed bridge will appear similar mechanical force The simple support beam force reaction, so that the abutment weight. The weight-bearing conduction depends on the connection of the retainer and the bridge. If the retainer and the bridging body can obtain the largest possible welding area, it is advantageous for ...