Survey on the pattern of practice in using sodium hypochlorite as root canal irrigant

Mohamed Khazin, Sobrina and Hemdi, Hanin and Khirul Ambia, Khairina Amyra and Ab. Halim, Noorhazayti and Kamarudin, Diyana (2025) Survey on the pattern of practice in using sodium hypochlorite as root canal irrigant. Malaysian Journal of Science, Health & Technology, 11 (2). pp. 154-161. E-ISSN 2601-0003

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Abstract

Sodium hypochlorite (NaOCl) is the most used endodontic irrigant due to its antimicrobial and organic tissue-dissolving properties. However, NaOCl solutions are unstable; exposure to light, heat, air, metals, and organic substances can reduce the available chlorine concentration with concomitant loss of antimicrobial and tissue-dissolving properties. NaOCl delivery mode during endodontic treatment plays a role in its efficacy in reaching the intricate anatomy of the root canal system. This study sought to investigate the practice patterns of Malaysian dental practitioners concerning the type, storage, dilution, and delivery of NaOCl in their clinical settings. A cross-sectional study was conducted among Malaysian dental practitioners via the online platform. Ninety-seven respondents were recruited, which comprised 88.7% of general dental practitioners and 11.3% of dental specialists. The most common type of NaOCl used is domestic bleach, with the majority using concentrations of 3.5%–6%. Most dental practitioners store domestic bleach in a cupboard and use it diluted. If it is diluted, a majority of the NaOCl is diluted every time before each treatment. The closed-ended side-vented needle is the most common needle used for endodontic irrigation, and it is 30G in size. Manual activation is used to irrigate the canal. The majority of dental practitioners practise proper NaOCl handling to preserve its antimicrobial properties

Item Type:	Article (Journal)
Uncontrolled Keywords:	domestic bleach; endodontic irrigant; hypochlorite accident; Malaysia.
Subjects:	R Medicine > RK Dentistry
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Dentistry Kulliyyah of Dentistry > Department of Paediatric Dentistry and Dental Public Health Kulliyyah of Dentistry > Department of Restorative Dentistry
Depositing User:	Dr Sobrina Mohamed Khazin
Date Deposited:	15 Dec 2025 11:16
Last Modified:	15 Dec 2025 11:16
Queue Number:	2025-12-Q568
URI:	http://irep.iium.edu.my/id/eprint/125236

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