Evaluation of pH levels and calcium ion release in various calcium hydroxide endodontic dressings - Ferreira, Flaviana Bombarda de Andrade; Silva e Souza, Patricia de Almeida Rodrigues; Vale, Mônica Sampaio do; Moraes, Ivaldo Gomes de; Granjeiro, José Mauro (Oral Surgery, Oral Medicine, Ordal Pathology, Oral Radiol Endod, 2004)