Effects of different root canal preparation techniques on premolars endodontic interappointment pain

VernacularTitle:两种根管预备方法对前磨牙根管约诊间痛的影响
Author: Weiling LIU ¹ ; Xu ZHANG ; Wen ZHANG ; Mei LI
Author Information

1. 镇江市中西医结合医院口腔科
Keywords: Root canal preparation; Toothache; TiLos mixed root canal preparation system; Step-down technique; Step-back technique; Premolar
From: Chinese Journal of Primary Medicine and Pharmacy 2017;24(24):3783-3785
CountryChina
Language:Chinese
Abstract: Objective To study the clinical effects of different methods on endodontic inter appointment pain (EIAP) happened to the patients after premolar root canal preparations.Methods 152 teeth from 134 patients with acute or chronic pulpitis or apical periodontitis were randomly divided into T group and K group,used TiLos mixed root canal preparation system with step-down technique and stainless steel K file with step-back technique respectively to prepare root canal.Afterwards,the incidence rates of EIAP were observed and recorded.Results The incidence rates of EIAP in T group and K group were 6.17％ and 21.11％,respectively.There was statistically significant difference between the two groups (x2 =7.404,P ＜0.01).Conclusion TiLos mixed root canal preparation system with step-down technique to prepare root cancal can reduce the incidence rate of EIAP.