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. 2016 Aug 27;21(2):613–626. doi: 10.1007/s00784-016-1939-4

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© The Author(s) 2016

Open Access This 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.

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Fig. 4 — Mean ± standard error of mean of electromyographic activity (a, b) for right and left masseter (MAL and MAR); anterior temporalis (TAL) and suprahyoid (SHD) muscle in the mucosal anesthesia, incisal anesthesia, block anesthesia and the reference group during the hold phase (a) and split phase (b). The asterisk denote significant difference in the incisal anesthesia (white) and block anesthesia (black) compared to the reference group (P < 0.05). Mean ± standard error of mean of Z scores of electromyographic activity of right and left masseter (MAL and MAR); anterior temporalis (TAL) and suprahyoid (SHD) muscle in the mucosal anesthesia, incisal anesthesia, and block anesthesia during the hold phase (c) and split phase (d). The gray shades denote 90 % confidence interval (−1.64 to 1.64)