Evaluation of Apical Root Morphology of Maxillary Incisors using Cone Beam Computed Tomography in a Brazilian Subpopulation: A Cross-sectional Study. - RODRIGUES BERNARDES, CRISTIANE MARTINS; GREGORIS RABELO, LUIZ EDUARDO; DE ARAÚJO ESTRELA, CYNTIA RODRIGUES; AGUIRRE GUEDES, ORLANDO; DE FREITAS SILVA, BRUNNO SANTOS; ESTRELA, CARLOS (Journal of Clinical & Diagnostic Research, 2021)