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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 2. — Time- and dose-dependent effects of the Dual Zinc plus Arginine aqueous solution, the Dual Zinc plus Arginine dentifrice, and the regular fluoride dentifrice on gingival keratinocyte tight junction integrity, as determined by monitoring TER. 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 < 0.05) compared to untreated control cells. φ, significant increase (p < 0.05) compared to the regular fluoride dentifrice.