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. 2020 Aug 4;12(1):1798044. doi: 10.1080/20002297.2020.1798044

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© 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 5. — Time- and dose-dependent protective effects of the Dual Zinc plus Arginine aqueous solution, the Dual Zinc plus Arginine dentifrice, and the regular fluoride dentifrice against P. gingivalis-mediated damage of gingival keratinocyte tight junction integrity as determined by monitoring TER values. A 100% value was assigned to the TER values at time 0. Results are expressed as the means ± SD of triplicate assays. *, significant increase (p < 0.001) compared to P. gingivalis-infected cells not treated with compounds. Φ, significant decrease (p < 0.05) compared to non-stimulated control cells. φ, significant increase (p < 0.05) compared to the regular fluoride dentifrice.