众所周知,磨牙的残根残冠,由于缺乏较为满意的治疗方法,一直都被列为拔牙的指征,从而使得许多磨牙的残根残冠得不到保留而过早丧失。我们通过近10年的临床探索,发现磨牙的残根、残冠可经一定的治疗和修复予以保存,从而较大地发挥其功能。1资料与方法1.1一般资料选择我院2003年1 It is well-known that the residual crown of molars has been listed as the indication of tooth extraction due to the lack of satisfactory treatment, which leads to the premature loss of residual molars of many molars. Through nearly 10 years of clinical exploration, we found that the remaining roots of molars, residual crown after a certain treatment and repair to be preserved, which play a greater role. 1 Materials and Methods 1.1 General Information Select our hospital in 2003 1