Physicochemical Analysis of Dental and Household Hypochlorites
Journal Title: Journal of Dentistry and Oral Sciences - Year 2021, Vol 3, Issue 3
Abstract
Aim: Sodium hypochlorite is the most common solution in the Endodontics field, however, NaOCl concentrations of commercial brands which are prepared for this purpose differ from their actual concentration. The aim of this study was to compare the physicochemical properties of dental and household hypochlorites. Materials and Methods: The solutions were divided in the following groups: Control: Clorarex 6%, Group 1: Viarzoni-T 5.25%, Group 2: Endo Chlord 3%, Group 3: Chlor- XTRA 6%, Group 4: Viarzoni-T (diluted from 5.25%), Group 5: Cloralex (diluted from 6%), Group 6: Chlor- Xtra (diluted from 6%). pH and temperature were measured by means of potentiometer, dilution test was performed using bovine tissue and exposed to each solution. For cytotoxicity assay, erythrocytes were exposed to each solution and stained with Sternheimer-Malbin solution. Results: Dissolution times showed a significant difference since the shortest time was Cloralex (6.6 ± 2.09). The solution with the highest alkalinity in the original concentration was Endo Chlord for dental use (11.7 ± 2.2). The solution with the highest alkalinity in the original concentration was Endo Chlord for dental use (11.7 ± 2.2) but it also was the solution with less cytotoxicity. Conclusion: Viarzoni-T was the only solution without any dissolving capacity, Cloralex, ChorlXtra and EndoChlord were capable of dissolving bovine pulp tissue effectively, reducing their concentration of Cloralex and ChlorXtra did not reduce the pH, but all solutions showed a cytotoxic effect on erythrocites.
Authors and Affiliations
Michele Méndez Velázquez*1, Fernando Eduardo Coria-Valdiosera2, Diana Ened Rodríguez-Zaragoza2 and Héctor Ruiz-Reyes3
Keywords
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