年轻恒前牙冠折损伤程度和露髓时间对活髓切断术疗效的影响  

The Clinical Analysis of Pulpotomy in Exposed Pulps of Young Permanent Incisors with Crown Fracture.

作　　者：杨如美[1] 

机构地区：[1]南京大学医学院附属口腔医院儿童牙科,江苏南京210008

出　　处：《口腔医学研究》2003年第1期66-67,共2页Journal of Oral Science Research

摘　　要：目的 :对外伤引起的年轻恒前牙冠折露髓行活髓切断术 ,并于 2年以上追踪观察其根管、根尖孔发育情况。方法 :72例外伤冠折露髓患牙 ,采用活髓切断术切断冠部牙髓 ,保留根髓活力 ,促进牙根发育。结果 :72例患牙中 ,轻度损伤 5 8例 ,治疗成功率为 93.1% ;重度损伤 14例 ,成功率为 6 4 .2 % ,总成功率为 87.5 %。结论Objective:To treatment the young permanent incisors with exposed pulps in crown by pulpotomy and observe the growth of root canals and apexogenesis following up over 2 years.Methods:72 teeth with exposed pulps in crown treated by pulpotomy to conserve the vital pulps and promote the growth of roots of teeth.Results:Among 72 traumatic teeth 58 cases were injured in small degree and 14 in serious.After 2 years following observation the successful rate were 93.1% to former and 64.2% to latter.The total successful rate were 87.5%.Conclusions:Pulpotomy is the first clinical method for crown fracture.

关 键 词：年轻恒前牙 活髓切断术 牙根发育 

分 类 号：R788.4[医药卫生—口腔医学]