Botulinum Toxin Type A For Gummy Smile By Muscle Hyperfunction. Research, Society and Development, [S. l.], v. 11, n. 4, p. e31811427397, 2022. DOI: 10.33448/rsd-v11i4.27397. Disponível em: https://rsdjournal.org/rsd/article/view/27397. Acesso em: 5 dec. 2025.