Comparison between one-session root canal treatment with aPDT and two-session treatment with calcium hydroxide-based antibacterial dressing, in dog's teeth with apical periodontitis - Hidalgo, Lídia Regina da Costa; Silva, Léa Assed Bezerra da; Nelson Filho, Paulo; Silva, Raquel Assed Bezerra da; Carvalho, Fabrício Kitazono de; Lucisano, Marília Pacífico; Novaes Júnior, Arthur Belém (Lasers in Medical Science, 2016)