A study of triple-united method for determining root canal working length
- VernacularTitle:三联法测量根管工作长度的研究
- Author:
Shihai YIN
;
Jun LUO
;
Lei CHEN
;
Ling ZOU
;
Jing TAN
;
Ning GAN
- Publication Type:Journal Article
- Keywords:
Root canal therapy;
Working length;
Working length determination;
Triple-united method
- From:
Journal of Practical Stomatology
1995;0(04):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To evaluate the accuracy and influence factors of a triple-united method used for the determination of root canal working length.Methods:Root canal working length was detemined by manual measurement,tooth average length and radiographic measurement(triple-united method).In vitro experiment was conducted in 40 teeth and clinical study in 96 teeth by experienced specialists and postgraduates.Results:The accuracy of triple-united method was 82.5% and 62.5% by spcialist and poststudents in vitro, 87.1% and 75.5% in clinic,respectively. The accuracy was interfered by experience of the examiner, tooth integrity and apical disease.Conclusion:Triple-united method can meet the clinic requirement in the determination of root canal length.