Comparative Evaluation of Platelet-Rich Fibrin (PRF) and Bone Graft in the Treatment of Periodontal Intrabony Defects. The Planet, [S. l.], v. 8, n. 02, p. 17–20, 2026. Disponível em: https://bdjournals.org/planet/article/view/898. Acesso em: 15 sep. 2026.