扩大簧一次性固定修复单个前牙缺失江苏省泰兴县黄桥人民医院口腔科何其生单个前牙缺失修复对基牙预备的要求较严格，我科用扩大簧固定在双侧基牙邻面作为桥体，用塑胶牙面与复合树脂一次性固定修复单个前牙缺失，减少了对基牙预备时的磨除、自１９９３年以来已修复２８例... Expansion of the spring one-time fixed fixed single anterior teeth missing Huangqiao People's Hospital of Taixing County, Jiangsu Province, Department of Stomatology He Qisheng single anterior teeth missing repair on the abutment preparation more stringent requirements, I use the expansion spring fixed to the abutment on both sides of the abutment as Bridge body, with a one-time plastic dental and composite resin repair a single missing anterior teeth, reducing wear and tear on the preparation of the abutment, since 1993 has been repaired 28 cases ...