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. 2019 Apr 27;19:64. doi: 10.1186/s12903-019-0741-5

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — 2a. Forest plot for meta-analysis of the post-intervention mean plaque scores of Salvadora persica in comparison to both concentrations (0.12% & 0.2%) of chlorhexidine. 2b. Forest plot for meta-analysis of the post-intervention mean plaque scores of Salvadora persica in comparison to placebo. [SP Salvadora persica, CHX chlorhexidine, **: significant difference at p = 0.05]