Author/Authors :
Soares Ditzel, Alessandra Department of Oral Radiology - School of Life Sciences , Pontifícia Universidade Católica do Paraná - Curitiba, Paraná, Brazil , Paula Tulio Manfron, Ana School of Dentistry - Faculdade Herrero.Curitiba - Paraná, Brazil , Henrique Westphalen, Fernando Department of Stomatology - School of Dentistry, Universidade Federal do Paraná - Curitiba, Paraná, Brazil , Xavier da Silva Neto, Ulisses Department of Endodontics - School of Life Sciences, Pontifícia Universidade Católica do Paraná, Curitiba - Paraná, Brazil , Kowalczuck, Alexandre Department of Endodontics - School of Life Sciences, Pontifícia Universidade Católica do Paraná, Curitiba - Paraná, Brazil , Carneiro, Everdan Department of Endodontics - School of Life Sciences, Pontifícia Universidade Católica do Paraná, Curitiba - Paraná, Brazil , Portela Ditzel Westphalen, Vânia Department of Endodontics - School of Life Sciences, Pontifícia Universidade Católica do Paraná, Curitiba - Paraná, Brazil