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NCT ID: NCT04954638 Enrolling by invitation - Clinical trials for Persistent Infection

The Effectiveness of Hyperpure Chlorine Dioxide and Sodium Hypochlorite Irrigants in Endodontic Retreament in RCT

Start date: November 15, 2019
Phase:
Study type: Observational

Endodontic treatment aims to eliminate pathogenic microbes from the root canal. Hyperpure chlorine dioxide is an endodontic irrigant. Our goal is to compare the efficacy of hyperpure chlorine dioxide with the gold standard sodium hypochlorite in the non-surgical retreatment of root canal treated teeth with chronic periapical lesions in a randomized clinical trial. Forty patients having chronic apical periodontitis will randomly be chosen for the study from the patients attending our Department of Conservative Dentistry. Endodontic treatment will be done according to professional quidelines. The patients will randomly be divided into two groups. In the first (control) group sodium hypochlorite, in the second group hyperpure chlorine dioxide will be used as desinfectant. The first sample will be taken from the root canal after removing the previous root canal obturation prior to desinfection. The second sample will be taken one week after temporization. The samples will be evaluated by culturing, MALDI-ToF and PCR strip test. After root canal obturation the the periapical status will be followed by clinical evaluation and control x-rays.