覆盖义齿临床上早已应用,近年来报道渐多,但未被更多人重视,迟迟不能普及。有人错误的认为:保留的牙根,稍有不适即列为“不良修复体”之列,即令患者摘除义齿,并建议拔除残根。应用覆盖叉齿的病例,多系因病不能拔牙,饮食确为困难的患者,故采用本法仍不失为一种有效办法。我们对覆盖义齿进行了观察,感到效果较好。①本组35例覆盖义齿戴入时间最长的达7年,最短的3个月(表1)。 Clinically covered overdentures have long been applied, reported in recent years gradually, but not more attention, delay can not be universal. Some people mistakenly believe that: the remaining root, a little discomfort is listed as “bad prosthesis”, that is, patients remove the denture, and recommended removal of residual roots. Application covered tines cases, and more due to the disease can not tooth extraction, diet is indeed difficult for patients, so the use of this Act is still an effective way. We observed the overdenture and felt better. ① 35 cases of over-denture wear the longest time of up to 7 years, the shortest 3 months (Table 1).