Root Canal Infection Clinical Trial
Official title:
One and Two-visit Root Canal Retreatment in Teeth With Periapical Lesion
A hundred previously root canal treated asymptomatic single-rooted teeth with periapical lesions were treated in single versus multiple visit root canal retreatment. Half of the teeth were randomly assigned to the one-visit (OV) group. The other teeth were treated in two visits (TV). All patients were recalled and investigated clinically and radiographically for 24 months.
The aim of the study was to evaluate the radiographic evidence of periapical healing in previously root canal treated teeth with apical periodontitis treated in a single visit and to compare the results with conventional two-visit root canal treatment .100 asymptomatic single rooted teeth with periapical lesions were included. The root canal filling material was removed and reinstrumentation was performed using hand files with 2.5% sodium hypochlorite (NaOCl) and 5% ethylenediaminetetraacetic acid (EDTA) as irrigants. Half of the teeth were randomly assigned to the one-visit (OV) group. The other teeth were treated in two visits (TV), after completion of root canal instrumentation calcium hydroxide paste was placed into the root canal and root canal obturation was performed in second visit. All patients were recalled and investigated clinically and radiographically for 24 months. Changes in apical bone density indicating radiographic healing were evaluated. ;
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