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J Contemp Dent Pract ; 18(3): 214-217, 2017 Mar 01.
Article in English | MEDLINE | ID: mdl-28258267

ABSTRACT

INTRODUCTION: Endodontic treatment removes all pathogens, such as Enterococcus faecalis from pulp and root canals. The aim of this study is to assess the usefulness of sodium hypo-chlorite (NaOCl) in removing E. faecalis from the root canal used with three different irrigation methods. MATERIALS AND METHODS: This study was conducted on freshly extracted maxillary incisors. After biomechanical preparation, root canals were injected with E. faecalis. Three groups were made which contained 30 teeth in each group; 2 mL of NaOCl solution was used for irrigation followed by agitation with K-files in group I; 2 mL of NaOCl solution was used for irrigation and ultrasonic agitation was done in group II. In group III, an alternate irrigation with NaOCl and 3% hydrogen peroxide was done. The fourth group (control) was irrigated with sterile saline solution. E. fae-calis bacteria were sampled to the root canals with paper points and were transferred to tubes that contained 5 mL of brain heart infusion broth. Tubes were incubated and the presence of broth turbidity was suggestive of bacteria remaining in the root canal. RESULTS: All three groups showed no statistically significant difference. However, difference existed between experimental groups and control groups. CONCLUSION: The author concluded that all three methods of application of NaOCl were effective in disinfecting the root canal than the saline solution. CLINICAL SIGNIFICANCE: No single irrigant has 100% efficiency. Thus by this study, a best irrigating solution with maximum properties can be established.


Subject(s)
Disinfectants/therapeutic use , Enterococcus faecalis/drug effects , Root Canal Irrigants/therapeutic use , Root Canal Preparation/methods , Sodium Hypochlorite/therapeutic use , Humans , Hydrogen Peroxide/therapeutic use , In Vitro Techniques , Therapeutic Irrigation/methods
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