期刊
JOURNAL OF ENDODONTICS
卷 43, 期 12, 页码 2001-2008出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.joen.2017.08.003
关键词
Cone-beam computed tomography; outcome of endodontic treatment; periapical health; root retention; survival
资金
- CES University [2011 D1-01]
Introduction: The purpose of this retrospective longitudinal cohort study was to evaluate the outcome of nonsurgical root canal treatment (NSRCT), expressed as survival for both periapical health and retention of roots/teeth, as determined by clinical evaluation, periapical film/digital radiography (PFR/DPR), and cone-beam computed tomography (CBCT) over 10 years, to determine the prognostic factors that influenced successful treatment outcomes. Methods: A total of 132 teeth (208 roots) with vital pulp received NSRCT at a university clinic. Eighteen factors (preoperative, intraoperative, and postoperative) were documented from the dental records and radiographs. Periapical indices with scores >= 2 (PFR/DPR) and >= 1 (CBCT) indicated the presence of a periapical lesion. Data were analyzed using the Kaplan-Meier test and the Cox proportional hazards regression model (P < .05). Results: The estimated 10-year overall survival rates for periapical health of roots/teeth were 89.4%/88.6% with PFR, 89.4%/89.3% with DPR, and 72.6%/69.7% with CBCT; the survival rate for root/tooth retention was 90.4%/91.6%. Conclusions: The long-term outcome of NSRCT expressed as survival for periapical health was different with each radiographic method. Approximately more than 90% of the roots/teeth were retained for up to 10 years. The prognostic factors for periapical health were the disinfection of gutta-percha, missed canals, age, treatment sessions, and density of root filling (voids); the age and presence of a post were for root/tooth retention.
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