Effect of smear layer thickness and ph of self-etching adhesive systems on the bond strength and gap formation to dentin - Kenshima, Silvia; Reis, Alessandra; Uceda-Gomez, Ninoshka; Tancredo, Luciane de Lima Franco; Rodrigues Filho, Leonardo Eloy; Nogueira, Fernando Neves; Loguercio, Alessandro Dourado (Journal of Adhesive Dentistry, 2005)