Comparison of Chlorhexidine and Sodium Hypochlorite Effect as Intracanal Irrigants on Pain and Swelling after Root Canal Therapy in Teeth with Necrotic Pulp

Bidar, Maryam and Zarei, Mina and Abbasian, Mahshid (2007) Comparison of Chlorhexidine and Sodium Hypochlorite Effect as Intracanal Irrigants on Pain and Swelling after Root Canal Therapy in Teeth with Necrotic Pulp. Journal of Mashhad Dental School, 31 (3). pp. 163-170.

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Abstract

Introduction: Post endodontic treatment pain and swelling or both is named as Flare-up which is one of the problems after root canal therapy. This problem is particulary important in necrotic teeth because of infiltration of bacterial agents into the periapical region. Adequate and appropriate irrigation of canal removes intracanal microganisms, debris and infected agents from canal space and decreases the incidence of pain and swelling. Sodium hypochlorite is one of the most effective antibacterial irrigants which dissolves vital and non vital tissues. Chlorhexidine is another irrigant that has antibacterial characteristics. The aim of this study was comparison between the incidence of Flare-up after using chlorhexidine and sodium hypochlorite as irrigatns in root canal therapy of necrotic pulp. Materials & Methods: In this clinical trial study, 50 patients with single canal necrotic pulp without any symptoms were selected and were divided into two groups of 25. In any group, after isolation and access preparation, canals were prepared using rotary Race files. Canals were then irrigated with chlorhexidine 0.2% and sodium hypochlorite 2.5% and were finally obturated by lateral condensation. A questionnaire was given to the patients to fill the amount of their experienced pain using a visual analogue scale and swelling with a scale with 4 degrees. Patients were followed for 48 hours. The data were analyzed by Mann Whitney, Wilcoxon and Kruskal-Wallis tests. Results: There was no significant difference between irrigant solutions in decreasing the amount of pain and swelling after endodontic treatment. No significant relationship was detected between amount of pain and swelling, and age and sex. Flare-up was observed more in maxilla compared to mandible. Conclusion: According to less toxicity effect of chlorhexidine, sodium hypochlorite can be replaced by chlorhexidine. Key words: Flare up, Chlorhexidine, Sodium hypochlorite.

Item Type: Article
Subjects: WU Dentistry. Oral surgery
Divisions: Journals > Journal of Mashhad Dental School
Depositing User: jmds jmds
Date Deposited: 24 Sep 2017 14:51
Last Modified: 24 Sep 2017 14:51
URI: http://eprints.mums.ac.ir/id/eprint/3255

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