Abstract
0.5% versus 3% sodium hypochlorite (NaOCl) in root canal treatment: A quasi-randomized controlled trial/ C Ulin, M Magunacelaya-Barria, G Dahlén, T Kvist. Immediate clinical and microbiological evaluation of the effectiveness of 0.5% versus 3% sodium hypochlorite in root canal treatment: A quasi-randomized controlled trial. International Endodontic Journal 2020; 53(5): 591-603.
 The effect of an intraorifice barrier and base under coronal restorations on the healing of apical periodontitis: A randomized controlled trial G Kumar, S Tewari, P Sangwan, J Duhan, S Mittal. The effect of an intraorifice barrier and base under coronal restorations on the healing of apical periodontitis: A randomized controlled trial. International Endodontic Journal 2020; 53 (4): 298-307.
Highlights
The aim of root canal treatment is to eliminate bacteria from, and prevent their further entry to the root canal system
Successful root canal therapy depends on thorough chemomechanical debridement of pulpal tissue, dentin debris, and infective microorganisms
Chemical debridement is especially needed for teeth with complex internal anatomy such as fins or other irregularities that might be missed by instrumentation
Summary
The aim of root canal treatment is to eliminate bacteria from, and prevent their further entry to the root canal system. Successful root canal therapy depends on thorough chemomechanical debridement of pulpal tissue, dentin debris, and infective microorganisms.. Irrigants can augment mechanical debridement by flushing out debris, dissolving tissue, and disinfecting the root canal system. Sodium hypochlorite (NaOCl) in a variety of strengths has been used by dentists for many years, but concerns have been raised about its toxicity and the occasional report of pain when higher concentrations are used. result in fewer postoperative root canal samples with cultivable bacteria prior to root filling than irrigation with 0.5% buffered NaOCl but, at the same time, will not result in a higher frequency of postoperative pain
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