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Astasov-Frauenhoffer M, Kulik EM.Astasov-Frauenhoffer M, et al. Among authors: kulik em.Monogr Oral Sci. 2021;29:53-64. doi: 10.1159/000510200. Epub 2020 Dec 21.Monogr Oral Sci. 2021.PMID: 33427220Review.