FREQUENCY OF CANALS IN PERMANENT MAXILLARY SECOND MOLAR ON THE BASIS OF CLINICAL AND RADIOGRAPHIC PARAMETERS. The Research of Medical Science Review, [S. l.], v. 3, n. 1, p. 1244–1251, 2025. Disponível em: http://thermsr.com/index.php/Journal/article/view/521.. Acesso em: 13 mar. 2025.