DSALMAN , F. . The effect of tooth brushing frequency on plaque, gingival indices in Thamar Governorate (primary, intermediate, secondary schools) in Republic of Yemen. Mustansiria Dental Journal, [S. l.], v. 1, n. 1, p. 113–120, 2004. DOI: 10.32828/mdj.v1i1.1101. Disponível em: https://mdj.uomustansiriyah.edu.iq/index.php/mdj/article/view/1101. Acesso em: 22 jul. 2024.