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. 2016 Oct 19;11:142. doi: 10.1186/s13012-016-0505-4

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© The Author(s). 2016

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 — Association between the year of study publication and the share of dentists performing selective (SE) or stepwise (SW) carious tissue removal. Every circle is the weighted estimate of each study. The regression line indicates a significantly increased share in recent years (p = 0.048), with a mean (95% CI) slope of 1.6 (0.1/2.7 %), i.e., the share increased with 1.6 % per year in mean