Abstract:

Objective　To evaluate the clinical quality of root canal therapy (RCT) in West China Dental Hospital of Sichuan University.Methods　1 423 RCTteeth were finished fromMar. 2001 to Feb. 2002 in West China Dental Hospital. Root canal filling quality and treatment period of these teethwere evaluated. 695 teeth of the totalwere revisited 2 years later and 2-year suc- cess rate were evaluated.Results　The ratios of adequate filling, underfilling, and overfilling were 79·97%, 14·62% and 5·41%, receptively. Full canal RCTratio of molarwas 89·44%. Average RCTtreatment period was 2·8 weeks. 2-year success rate of RCTwas 94·39%.Conclusion　Clinical RCT level of West China Dental Hospital was satisfactory from 2001 to 2002.

Key words: root canal therapy, root canal therapy quality, clinical effect