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Sodium Hypochlorite and a Preparation Containing Glycocholic Acid and Surfactants Have a Synergistic Action on Organic Tissue Dissolution In Vitro.

Abstract：

INTRODUCTION:The aim of this study was to evaluate porcine palatal mucosa dissolution by sodium hypochlorite (NaOCl) with or without an auxiliary dissolving agent containing glycocholic acid and a mixture of surfactants (Keratobacter [KB]; Saint Joseph DID, Valencia, Spain). METHODS:One hundred forty samples were obtained from porcine palatal mucosa and weighed using a high-precision balance. The samples were randomly divided into 4 experimental groups (n = 35) based on the test solution used: distilled water (the negative control), CanalPro NaOCl 6% (Coltene Whaledent, Altstätten, Switzerland), KB, and a 9:1 vol/vol mixture of NaOCl with KB (NaOCl + KB). After 5, 10, 15, and 20 minutes of immersion in the solutions at 27°C ± 1°C, the samples were weighted by a blinded assessor. The intergroup weight at the different time points was statistically analyzed using the analysis of variance test with the Bonferroni posttest. RESULTS:All test groups presented with tissue dissolution although complete dissolution did not occur in any sample. The largest percent in weight reduction occurred between time points (t) = 0 minutes and t = 5 minutes for the NaOCl + KB group (22.5%) followed by KB (18.5%) for the same time period. NaOCl presented with similar tissue dissolution activity during the different time points, ranging from 7.8% (t = 10 minutes-t = 15 minutes) to 6.8% (t = 15 minutes-t = 20 minutes). Significant weight differences were found among the different experimental groups after 5, 10, and 15 minutes of incubation, with the only exception being KB versus NaOCl + KB. No significant differences were found when comparing the test groups at t = 20 minutes. CONCLUSIONS:The addition of KB to NaOCl increased porcine palatal mucosa dissolution in vitro.

journal_name

J Endod

journal_title

Journal of endodontics

authors

Peña López A,Conde AJ,Estevez R,Valencia de Pablo O,Rossi-Fedele G,Cisneros R

doi

10.1016/j.joen.2018.01.007

subject

Has Abstract

pub_date

2018-05-01 00:00:00

pages

813-815

issue

eissn

0099-2399

issn

1878-3554

pii

S0099-2399(18)30020-7

journal_volume

pub_type

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Sodium Hypochlorite and a Preparation Containing Glycocholic Acid and Surfactants Have a Synergistic Action on Organic Tissue Dissolution In Vitro.