Comparison of the cleaning efficacy of the FKG race system and hand instrument in molar root canal . Journal of Applied Oral Science, [S. l.], v. 14, n. 1, p. 6–9, 2006. DOI: 10.1590/S1678-77572006000100002. Disponível em: https://revistas.usp.br/jaos/article/view/3334.. Acesso em: 9 may. 2024.