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Randomised controlled trial reveals antimicrobial benefit of combined dressing in teeth with apical periodontitis, suggesting improved outcomes.
Aim: To assess whether there was an additive antimicrobial effect between calcium hydroxide (Ca(OH)) and sodium hypochlorite (NaOCl) in an inter-visit root canal dressing. Conclusions: Placing a combined NaOCl/Ca(OH) dressing significantly reduced the microbial load in the root canals of teeth with primary apical periodontitis compared to a conventional slurry prepared with saline solution, without causing any apparent inflammatory response in the periapical tissues. Trial registeration: CTRI/2020/10/028484 (Clinical Trials Registry India).
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Ballal et al. (2025) studied this question.
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