1. Effect of Different Concentrations of Sodium Hypochlorite on Outcome of Primary Root Canal Treatment: A Randomized Controlled Trial.
- Author
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Verma, Neha, Sangwan, Pankaj, Tewari, Sanjay, and Duhan, Jigyasa
- Subjects
SODIUM hypochlorite ,RANDOMIZED controlled trials ,ROOT canal treatment ,POSTOPERATIVE pain ,VISUAL analog scale ,PERIAPICAL periodontitis - Abstract
Abstract Introduction The aim of this study was to evaluate the effect of 2 different concentrations of sodium hypochlorite on healing and postoperative pain after primary endodontic treatment. Methods One hundred mandibular molars with pulp necrosis and chronic apical periodontitis were randomly assigned to 2 treatment groups: high-concentration (HC) 5% sodium hypochlorite and low-concentration (LC) 1% sodium hypochlorite. Root canal treatment was performed using a standardized protocol. Canals were prepared using equal volumes of respective irrigants after each instrument change. After chemomechanical preparation, the final flush was performed with 5 mL 17% EDTA solution followed by 5 mL 5% or 1% sodium hypochlorite depending on the group. All patients were asked to record the degree of pain on a visual analog scale every 24 hours for 1 week. At the second visit, canals were obturated, and the teeth were restored permanently. Clinical and radiographic evaluations were performed every 3 months for 12 months. The data collected were statistically analyzed. Results Eighty-six teeth were available for evaluation at the 1-year follow-up. The overall healing rate observed was 76.7%. Greater healing was observed in the HC (81.4%) group compared with the LC group (72.1%), but the difference was not statistically significant (P >.05). No significant differences in pain incidence and pain scores were found between the 2 groups (P >.05), with lower values reported in the LC group. Conclusions The use of LC or HC sodium hypochlorite did not result in a significant difference in the clinical outcome. [ABSTRACT FROM AUTHOR]
- Published
- 2019
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