Comparison of engine-driven rotary nickel-titanium file and stainless steel hand K-file in posterior teeth’s root canal preparation
- VernacularTitle:两种后牙根管预备方法的临床效果比较
- Author:
Zheng CAO
;
Lieping SHENG
;
Qirong ZHAO
- Publication Type:Journal Article
- Keywords:
Root canal therapy;
Root canal preparatio n;
Ni-ti file;
Pain;
Root canal obturation
- From:
Journal of Practical Stomatology
2000;0(05):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective: To compare the effects of engine-driven rotar y nickel-titanium(ni-ti) file and stainless steel hand K-file (ss-K-file) in posterior teeth’s root canal preparation. Methods: 118 root c anals of 45 cases were instrumented with ni-ti file (ProFile)by crow-down te chnique and 127 root canals of 49 cases were treated with ss-K-file by step- back technique respectively. The incidence of pain after preparation and the res ults of obturation were observed. Results:Total pain incidence i n ni-ti file preparation group and in ss-K-file group was 20.00% and 46.94% respectively (P