Related Articles on PubMed Combined effect of smear layer characteristics and hydrostatic pulpal pressure on dentine bond strength of HEMA-free and HEMA-containing adhesives. J Dent. 2013 Jul 11; Authors: Mahdan MH, Nakajima M, Foxton RM, Tagami J Abstract OBJECTIVE: This study evaluated the combined effect of smear layer characteristics with hydrostatic pulpal pressure (PP) on …