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Schneider T, Filo K, Kruse AL, Locher M, Grätz KW, Lübbers HT.Schneider T, et al. Among authors: lubbers ht.Swiss Dent J. 2014;124(5):520-38. doi: 10.61872/sdj-2014-05-169.Swiss Dent J. 2014.PMID: 24853188Free article.English, German.