A Review Over Benefits and Drawbacks of Combining Sodium Hypochlorite with Other Endodontic Materials
Zahed Mohammadi1, Sousan Shalavi2, Amir Moeintaghavi3, *, Hamid Jafarzadeh4
1 Iranian Center for Endodontic Research (ICER), Research Institute of Dental Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2 Private Dental Practice, Hamedan, Iran
3 Department of Periodontics, Faculty of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
4 Department of Endodontics, Faculty of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
As the root canal system considered to be complex and unpredictable, using root canal irrigants and medicaments are essential in order to enhance the disinfection of the canal. Sodium hypochlorite is the most common irrigant in endodontics. Despite its excellent antimicrobial activity and tissue solubility, sodium hypochlorite lacks some important properties such as substantivity and smear layer removing ability.
The aim of this review was to address benefits and drawbacks of combining sodium hypochlorite with other root canal irrigants and medicaments.
According to the reviewed articles, NaOCl is the most common irrigation solution in endodontics. However, it has some drawbacks such as inability to remove smear layer. One of the drawbacks of NaOCl is its inability to remove the smear layer and lack of substantivity.
The adjunctive use of other materials has been suggested to improve NaOCl efficacy. Nevertheless, further studies are required in this field.
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* Address correspondence to this author at the Department of Periodontics and Endodontics, Mashhad University of Medical Sciences, Iran, P.O. Box: 91735-984, Iran; Tel: +98-51-38829501; Fax: +98-51-38829500; E-mails: Moeentaghavia@mums.ac.ir; email@example.com