Etiology and diagnosis of gummy smile - Literature review. Research, Society and Development, [S. l.], v. 10, n. 17, p. e223101724798, 2021. DOI: 10.33448/rsd-v10i17.24798. Disponível em: https://www.rsdjournal.org/rsd/article/view/24798. Acesso em: 5 dec. 2025.