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Table 1 Study timeline: enrolment, interventions, and assessments

From: Periradicular repair after single- and two-visit root canal treatments using ultrasonic irrigant activation and calcium hydroxide dressing of teeth with apical periodontitis: study protocol for randomized controlled trials

  1. *Group 1-RCT-SV, root canal treatment in a single visit; group 2-RCT-TVWD, root canal treatment in two visits with intracanal dressing; group 3-RCT-TVWOD, root canal treatment in two visits without intracanal dressing