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Cekic-Nagas I, Ergun G, Vallittu PK, Lassila LV.Cekic-Nagas I, et al. Among authors: ergun g.Dent Mater J. 2008 May;27(3):376-85. doi: 10.4012/dmj.27.376.Dent Mater J. 2008.PMID: 18717165Free article.