Management of oronasal fistula using L-PRF and palatal flap due to residual cyst in maxilla: A case report. Research, Society and Development, [S. l.], v. 13, n. 4, p. e6413445577, 2024. DOI: 10.33448/rsd-v13i4.45577. Disponível em: https://rsdjournal.org/rsd/article/view/45577. Acesso em: 5 dec. 2025.