老年患者后牙残根残冠的保存与修复治疗

目的:研究老年患者后牙残根残冠行桩核全冠修复的效果.方法:对103例60岁以上老人的174颗后牙残根残冠进行根充治疗,制作桩核后行金瓷或金属全冠修复,对修复体的卫生、使用情况及基牙牙周健康状况进行为期5年的随访观察.结果:发现3颗全冠和2颗桩核脱落,6颗基牙因松动拔除,13颗基牙出现较重的牙周炎症,4颗基牙发生根面龋,另有4颗基牙动度明显增加,93%的义齿使用良好.结论:后牙桩核全冠修复,不仅能恢复口腔功能,可促进老年患者的健康.但口腔卫生至关重要.

Prosthesis for endodontically treated posterior teeth in the elderly

Objects: To investigate the effects of post-core crowns for endodontically treated posterior teeth in the eldely. Methods: 174 posterior teeth in the elderly were endodontically treated and post-core and metal crowns or porcelain fused to metal crowns were luted.The hygiene of crowns and the periodontal health of abutment teeth were studied for 5 consecutive years. Results: 3 crowns and 2 post-core were dislodged. 6 abutment teeth were extracted because of mobility. 13 abutment teeth developed severe periodentitis. 4 abutment teeth suffered root caries. The mobility of another 4 abutment teeth significantly increased.More than 93% of the crowns have good function. Conclusions: Posterior post-core crowns were good for the health and oral function for the elderly .Oral hygiene is very important for the health of abutment teeth.