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. 2022 Jun 18;17(4):1854–1858. doi: 10.1016/j.jds.2022.06.003

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© 2022 Association for Dental Sciences of the Republic of China. Publishing services by Elsevier B.V.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 1 — Citation characteristics of the articles on OPMD research during 2006–2021 from Taiwan and mainland China. (A) The h-index graphs. (B) The annual number of articles. (C) The accumulated citations. (D) The cloud graphs of institutions of origin, contributing authors, and journals of publication.