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. 2020 Nov 24;14(Suppl 1):S50–S55. doi: 10.1055/s-0040-1719212

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European Journal of Dentistry. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Fig. 1 — Grouped bar chart illustrating the stress level of participants related to the COVID-19 outbreak. ( A ) I think about it when I do not mean to, ( B ) I try to remove it from memory, ( C ) I have waves of strong feelings about it, ( D ) I have trouble falling asleep because of pictures or thoughts about it that come to my mind, ( E ) I have dreams about it.