MEMON, W.; GHANI, A.; NAZ, I.; JATOI, N. H.; ALI, A. Smile perception amongst orthodontists and laypersons. Pakistan Orthodontic Journal, [S. l.], v. 9, n. 1, p. 56–60, 2017. Disponível em: https://poj.org.pk/index.php/poj/article/view/160. Acesso em: 23 sep. 2026.