Oral health knowledge and oral hygiene practices of pre-school teachers in a selected region of Kathmandu city. Indian Journal of Child Health, [S. l.], v. 4, n. 2, p. 260–264, 2022. DOI: 10.32677/IJCH.2017.v04.i02.034. Disponível em: https://mansapublishers.com/ijch/article/view/130.. Acesso em: 5 aug. 2024.