Journal
ACTA ODONTOLOGICA SCANDINAVICA
Volume 79, Issue 1, Pages 37-42Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00016357.2020.1773531
Keywords
Endodontic; general practice; outcome; root canal treatment; tooth type
Categories
Funding
- City of Helsinki [HEL 2017-004388]
- Finnish Association for Women Dentists
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This study evaluated the radiographic outcomes of root canal treatments performed by general dental practitioners, finding significant differences in the success rate and quality of root fillings among different tooth types, with molars having the lowest success rate. Improvement in the quality of root canal treatments performed by GDPs is necessary.
Objective:This study evaluated the radiographic outcome of root canal treatments (RCTs) performed by general dental practitioners (GDPs) with focus on tooth type and quality of root filling. Materials and methods:The target population included all patients receiving root filling by GDPs in City of Helsinki in 2010-2011. Equal numbers of each tooth type (anteriors, premolars, molars) by jaw were included, resulting in 426 teeth. Pre- and post-operative periapical radiographs were assessed to evaluate periapical status and quality of root filling. Statistical evaluation utilized Chi-squared tests, Cohen's kappa and logistic regression modelling. Results:The overall success rate of RCT was 67.4%, being 76.8%, 69.7% and 55.6% (p < .001) for anteriors, premolars and molars, respectively. The quality of root fillings varied by tooth type (p < .001); optimal fillings were least frequent (43%) in molars. In multifactorial analysis, RCTs were more likely to succeed in non-molars (OR = 1.8), in teeth with optimal root fillings (OR = 3.6) and in teeth without apical periodontitis (OR = 3.2). Conclusion:The quality of root fillings and radiographic outcome of RCTs varied considerably according to tooth type; success was least likely in molars. Improvement is needed in quality of RCTs by GDPs.
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