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上颌双侧后牙缺失,或一侧缺失,必须与另一侧连在一起修复时,腭基托的传统设计一般的有:1、全基托次全基托武;2,用铸造前后腭杆代替基托连结两侧鞍基式;3、腭杆前部环形窄基托式:4、单纯后腭杆式。除第二种外其它三种形式常有异物感或有进食不利和影响发音。尤其对接触上前牙舌面处的舌齿音和舌与硬腭接触发出的声音影响很大。笔者从1984年起设计腭侧向后凹的基托经随访的共33例,均
The maxillary bilateral posterior teeth missing, or missing on one side, must be connected with the other side repair, the traditional design of the palate base are generally: 1, Rod instead of both sides of the base to connect the saddle-based style; 3, the front of the palate rod ring narrow base type: 4, after a simple palate rod. In addition to the second outside the other three forms often have foreign body sensation or eating adverse and affect pronunciation. In particular, the contact with the upper anterior teeth tongue surface at the tongue and tongue and hard palate contact sound emitted great influence. From 1984 onwards, the author designed a total of 33 cases of palatal lateral to the concave base after follow-up