title: [Clinical analysis of 1 423 cases of root canal therapy].
abstract: OBJECTIVE
  To evaluate the clinical quality of root canal therapy (RCT) in West China Dental Hospital of Sichuan University.
  
  
  METHODS
  1 423 RCT teeth were finished from Mar. 2001 to Feb. 2002 in West China Dental Hospital. Root canal filling quality and treatment period of these teeth were evaluated. 695 teeth of the total were revisited 2 years later and 2-year success rate were evaluated.
  
  
  RESULTS
  The ratios of adequate filling, underfilling, and overfilling were 79.97%, 14.62% and 5.41%, receptively. Full canal RCT ratio of molar was 89.44%. Average RCT treatment period was 2.8 weeks. 2-year success rate of RCT was 94.39%.
  
  
  CONCLUSIONS
  Clinical RCT level of West China Dental Hospital was satisfactory from 2001 to 2002.
authors.affiliation: Dept. of Conservative Dentistry, West China College of Stomatology, Sichuan University, Chengdu 610041, China.
authors.forename: Shi-Hai
authors.initials: SH
authors.lastname: Yin
authors.forename: Jin-Bo
authors.initials: JB
authors.lastname: Yang
authors.forename: Qin
authors.initials: Q
authors.lastname: Su
authors.forename: Ding-Ming
authors.initials: DM
authors.lastname: Huang
authors.forename: Lei
authors.initials: L
authors.lastname: Chen
mesh_terms: D000328:Adult; D006801:Humans; D008875:Middle Aged; D008963:Molar; D012389:Root Canal Obturation / Q000592:standards; D012390:Root Canal Therapy / Q000592:standards*; D016896:Treatment Outcome