摘要
目的评价根管充填剂、AH plus和iRoot SP三种根管封闭剂的根尖密封性。方法选择拔除的单根管牙39颗,按随机数字表法分为根管充填剂组、AH plus组和iRoot SP组各13颗牙,手用器械逐步后退法进行体外根管预备后,采用冷牙胶侧方加压法对各组离体牙进行牙胶尖+相应的根管封闭剂根管充填,使用染料渗透法检测各组染料渗透入根管内的长度,并进行比较。结果根管充填剂组根管内染色长度大于AH plus组和iRoot SP组,差异有统计学意义(P<0.05),AH plus组和iRoot SP组根管内染色长度差异无统计学意义。结论 AH plus和iRoot SP根尖封闭性能相近,根管充填剂的根尖封闭性弱于AH plus和iRoot SP。
Objective To compare the sealing ability of three kinds of sealing materials（canal filling agent,AH plus and iRoot SP） in root canal therapy.Methods Thirty-nine newly extracted single-canal teeth were divided into three groups.The root canals were prepared using hand instruments,and obturated with corresponding sealing materials by step-back technique.The sealing ability was evaluated by dye penetration method.Results The mean dyeing length of root canal filling agent was significantly longer than AH plus and iRoot SP（P〈0.05）.Conclusion AH plus and iRoot SP have sealing ability that is better than root canal filling？ agent in root canal therapy.
出处
《实用医院临床杂志》
2015年第4期70-72,共3页
Practical Journal of Clinical Medicine
关键词
根管封闭剂
根尖封闭性
根管治疗
Root canal sealer
Apical sealing ability
Root canal therapy
