ADEKOYA, N. M.; DACOSTA, O. O.; UTOMI, I. L. Vertical Lip Thickness and Gingival Display: Comparing the Perception of Dental Professionals and Laypersons in Nigeria. West African Journal of Orthodontics, [S. l.], v. 4, n. 1, p. 19–25, 2015. Disponível em: https://wajo.oauife.edu.ng/index.php/wajo/article/view/33. Acesso em: 16 apr. 2026.