Prevalence of untreated second canal in the mesiobuccal root of maxillary molars and its association with apical periodontitis: A cone beam computed tomography study. Research, Society and Development, [S. l.], v. 10, n. 2, p. e55410212906, 2021. DOI: 10.33448/rsd-v10i2.12906. Disponível em: https://rsdjournal.org/rsd/article/view/12906. Acesso em: 5 dec. 2025.