Calcium hydroxide fillings in curved canals: influence of apical enlargement using the rotary systems ProTaper, K3, and two hand instrumentation techniques. Revista da Faculdade de Odontologia - UPF, [S. l.], v. 19, n. 1, 2014. DOI: 10.5335/rfo.v19i1.3500. Disponível em: https://ojs.upf.br/index.php/rfo/article/view/3500. Acesso em: 1 dez. 2025.