卡环下基牙的铸冠修复米延玲第四军医大学口腔医学院修复科可摘局部义齿的基牙患龋后，造成基牙损坏，影响义齿支持作用。对于牙体治疗后的基牙进行妥善、准确的冠修复，既可保护基牙，恢复义齿原有功能，又可减少患者不必要的开支，避免重作义齿。笔者采用下述方法，对支... Retaining the crown of the abutment under the snap ring. Mi Yanling The abutment teeth of the removable partial dentures in the Department of Stomatology, Fourth Military Medical University of the Fourth Military Medical University cause damage to the abutments and affect the support effect of the dentures. Proper and accurate restoration of the abutments after tooth treatment can protect the abutments, restore the original functions of the dentures, and reduce the unnecessary expenses of the patients and avoid re-denture. I use the following method, on the branch ...