Resosolv和氯仿用于牙髓塑化后根管再通的临床研究  

Comparative Study of Resosolv and Chloroform in Retreatment of Canal Obturated with Resinifying Agent

作　　者：何秉贞[1] 张成飞[1] 丁瑞宇[1] 林琼光[1] 

机构地区：[1]北京大学口腔医院特诊科,北京100081

出　　处：《华西口腔医学杂志》2004年第6期474-476,共3页West China Journal of Stomatology

摘　　要：目的　比较Resosolv和氯仿再通塑化后根管的能力。方法　 4 0颗离体牙 (80个根管 )经FR酚醛树脂塑化后随机分成 4组 ,每组 2 0个根管。A组 :K型锉和Resosolv去除根管内塑化物 ;B组 :K型锉和氯仿去除根管内塑化物 ;C组 :超声K型锉和Resosolv去除根管内塑化物 ;D组 :超声K型锉和氯仿去除根管内塑化物。记录根管通畅的个数、操作时间和工作长度丧失情况。结果　Resosolv溶解根管内塑化物的能力明显优于氯仿 ,Resosolv辅助能通畅 87 5 %的根管 ,而氯仿辅助仅能通畅 4 5 0 %的根管。结论　Resosolv是有效的根管内塑化物的辅助溶剂。Objective To evaluate the possibility for removal of resinifying agent, time required for removal and the working length loss by Resosolv or Chloroform.Methods 40 human teeth (80 root canals) obturated with FR phenolaldehyde agent were divided into four groups, 20 root canals per group. Group A: Resosolv with K file; group B: chloroform with K file; group C: Resosolv with Ultrasonic K file; group D: Chloroform with ultrasonic K file. Calculating the percentage for removal of resinifying agent, time required for removal and the working length loss.Results The effectiveness of Resosolv for removing resinifying agent was better than chloroform. 87.5% of canals could be negotiated by Resosolv; 45% of canals be negotiated by chloroform.Conclusion Resosolv is an effective solvent for canals obturated with resinifying agent.

关 键 词：Resosolv 氯仿 塑化物 根管再治疗 

分 类 号：R781.05[医药卫生—口腔医学]