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. 2015 Nov 9;8:662. doi: 10.1186/s13104-015-1532-y

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© Rodan et al. 2015

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. 3 — Oral hygiene status according to plaque index (PI). The oral hygiene status is demonstrated using the plaque index (PI) for all students examined during the survey, the status was classified as Good, Fair and Poor