Quantitative assessment of 2-dimensional parameters in tomographic images by using different segmentation methods - Camargo, Rafael Verardino de; Mazzi-Chaves, Jardel Francisco; Leoni, Graziela B.; Vasconcelos, Karla F.; Lamira, Alessandro; Jacobs, Reinhilde; Sousa Neto, Manoel Damião de (Journal of Endodontics, 2020)