Effec of a calcium hydroxide-based paste associated to chlorhexidine on RAW 264.7 macrophage cell line culture - Silva, Raquel Assed Bezerra da; Leonardo, Mário Roberto; Silva, Léa Assed Bezerra da; Faccioli, Lúcia Helena; Medeiros, Alexandra Ivo de (Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontology, 2008)