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Basic Study | Publishing Language: Chinese | Open Access

An in vitro evaluation of antibacterial properties of 2 pulp capping materials

Hai-xia LIU, Xuan CHEN, Ling ZOU( )
State Key Laboratory of Oral Diseases, Department of Conservative Dentistry and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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Abstract

Objective

To evaluate the antimicrobial properties of 2 different pulp capping materials (ProRoot MTA and iRoot BP Plus).

Methods

Modified direct contact test (DCT) was performed as follow. ProRoot MTA and iRoot BP Plus were set for 7 days, then crushed and immersed into deionized water at concentrations of 200 g·L-1 for another 7 days. PH values of the supernatants of the aqueous extracts were measured with a pH meter. The germfree superna-tants were mixed with Streptococcus mutans suspensions and then incubated for 24 hours. The survival of bacteria wasassessed by measuring the optical density (OD) at 600 nm with an automated microplate reader.

Results

PH values ofthe aqueous extracts of ProRoot MTA and iRoot BP Plus were between 12 and 13, and no statistically significant difference was found (t = 0.133, P = 0.899). Both ProRoot MTA and iRoot BP Plus demonstrated good antibacterial properties (P＜0.05), and iRoot BP Plus performed a better antibacterial effect (P＜0.05).

Conclusion

IRoot BP Plus performed a better antibacterial effect against Streptococcus mutans when compared to ProRoot MTA.

Keywords

Antibacterial propertyProRoot MTAiRoot BP PlusStreptococcus mutansDirect contact test
CLC number: R781.05 Document code: A Article ID: 2096-1456(2016)10-578-04

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Journal of Prevention and Treatment for Stomatological Diseases
Volume 24 Issue 10,
October 2016
Pages 578-581
DOI: 10.12016/j.issn.2096-1456.2016.10.004

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LIU H-x, CHEN X, ZOU L. An in vitro evaluation of antibacterial properties of 2 pulp capping materials. Journal of Prevention and Treatment for Stomatological Diseases, 2016, 24(10): 578-581. https://doi.org/10.12016/j.issn.2096-1456.2016.10.004

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Received: 13 April 2016
Revised: 15 May 2016
Published: 20 October 2016
© 2016 by Editorial Department of Journal of Prevention and Treatment for Stomatological Diseases

This article is licensed under a Creative Commons Attribution 4.0 International License.