PTG和TFA根管治疗系统清理根管效果的分析  

Analysis of the efficacy of root canal cleaning by PTG and TFA root canal treatment systems

作　　者：孙海欧 刘佼佼 赵灵洁 SUN Haiou;LIU Jiaojiao;ZHAO Lingjie(Department of Stomatology,General Hospital of Northern Theater Command,Shenyang 110016,China)

机构地区：[1]中国人民解放军北部战区总医院口腔科,沈阳110016

出　　处：《中国医科大学学报》2024年第8期747-751,共5页Journal of China Medical University

基　　金：辽宁省自然科学基金(2019-ZD-1043)。

摘　　要：目的比较ProTaper Gold(PTG)和TF-Adaptive(TFA)根管治疗系统的根管清理效果。方法将40颗离体牙随机分为PTG组和TFA组,每组20颗。分别使用PTG和TFA根管治疗系统进行根管预备。通过扫描电子显微镜观察根管预备后碎屑和玷污层的分布,并采用YAMASHITA量化分析标准对每组根冠1/3、根中1/3、根尖1/3区域的碎屑和玷污层分别量化评分,分析PTG和TFA的清理效果。结果PTG组和TFA组根冠1/3、根中1/3的碎屑与玷污层评分差异无统计学意义(P>0.05)。PTG组根尖1/3的碎屑和玷污层评分均大于TFA组,差异有统计学意义(P<0.05)。结论PTG和TFA根管治疗系统在根管中上段清理效果均良好,但TFA在根尖1/3区域的清理效果比PTG更具优势。Objective To compare the cleaning abilities of ProTaper Gold(PTG)and TF-Adaptive(TFA).Methods Forty single-abstracted premolars were randomly divided into PTG and TFA groups.The debris and smear layer of the root coronal 1/3,middle 1/3 and apical 1/3 in the two groups were observed using scanning electron microscope(SEM).The cleaning abilities of the PTG and TFA rotary systems were scored according to the scoring standard developed by YAMASHITA.The scores of the two groups were compared and then analyzed.Results There was no significant difference found in the scores of the smear layer and debris at the root coronal 1/3 and the middle 1/3.The scores of the debris and smear layer at the apical 1/3 in the group PTG were higher than those in the TFA group(P<0.05).Conclusion PTG and TFA can effectively remove the root canal smear layer and debris at the root coronal 1/3,and the middle 1/3.However,at the apical 1/3,the cleaning efficiency of TFA is better than that of PTG.

关 键 词：ProTaper Gold根管治疗系统 TF-Adaptive根管治疗系统 扫描电子显微镜 根管预备 根管清理 

分 类 号：R781.05[医药卫生—口腔医学]