Epinephrine concentration (1:100,000 or 1:200,000) does not affect the clinical efficacy of 4% articaine for lower third molar removal: a double-blind, randomized, crossover study - Santos, Carlos Ferreira dos; Modena, Karin Cristina da Silva; Giglio, Fernando Paganeli Machado; Sakai, Vivien Thiemy; Calvo, Adriana Maria; Colombini, Bella Luna; Sipert, Carla Renata; Dionísio, Thiago José; Faria, Flávio Augusto Cardoso de; Trindade Júnior, Alceu Sérgio; Lauris, José Roberto Pereira (Journal of Oral and Maxillofacial Surgery, 2007)