Conclusion Trough broken-stress denture retained by attachment is fit to the situation of abutment is poor, pole denture retained by attachment is fit to the situation of alveolar ridge is poor.

• 结论键槽缓冲式附着体义齿较适合于基牙条件差的义齿修复，柱状附着体义齿较适合于缺牙区牙槽嵴条件差的义齿修复。