Evaluation of Chemical Interactions of Maleic acid with Sodium Hypochlorite and Chlorhexidine gluconate

Ballal, Nidambur Vasudev and *, Sudheer Moorkoth and *, Kundabala Mala and *, Kadengodlu and Bhat, Seetharama and *, Syed Sajjad Hussen and Pathak, Shriram (2011) Evaluation of Chemical Interactions of Maleic acid with Sodium Hypochlorite and Chlorhexidine gluconate. Journal of Endodontics, 37 (10). pp. 1402-1405.

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Introduction: The elimination of microorganisms from the root canal system necessitates the use of combination of irrigating solutions to enhance their antimicrobial property. The combination of irrigants and their interaction sometimes could be detrimental to the outcome of the root canal therapy. The purposes of this study were (1) to evaluate the interaction between 7% maleic acid (MA) and 2% chlorhexidine gluconate solution (CHX) and to find out the availability of individual irrigant and (2) to determine the free available chlorine content when 7% MA was mixed with 2.5% sodium hypochlorite (NaOCl) solution. Methods: Interaction between MA and CHX was assessed by high-performance liquid chromatography. Available chlorine content in NaOCl was evaluated by the standard iodine/thiosulfate titration method. Results: It was observed that more than 90% free MA and CHX were available when MA was combined with CHX. It was also observed that there was no precipitate formation when 7% MA was mixed with 2% CHX. Available chlorine content decreased significantly in the MA/NaOCl mixture. Conclusions: There were no adverse interactions or precipitate formation observed when MA was combined with CHX, but the available chlorine content was reduced when NaOCl was mixed with MA

Item Type: Article
Uncontrolled Keywords: Chlorhexidine gluconate, irrigation, maleic acid, sodium hypochlorite
Subjects: Dentistry > MCODS Mangalore > Conservative Dentistry
Depositing User: KMCMLR User
Date Deposited: 10 Oct 2012 09:25
Last Modified: 19 Feb 2013 11:22
URI: http://eprints.manipal.edu/id/eprint/77404

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