Made available in DSpace on 2022-04-29T07:26:04Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-01-01; This investigation aims to assess the prevalence of detectable apical periodontitis in periapical radiographs and the relationship between disease and quality of root fillings performed by undergraduate students. A random sample of 131 records of patients who had received root canal treatment (RCT) at t...