RAHMAWATI, L. .; DAHAR, E. .; ANGELIA, V. . Effect of Immersion Duration in Coffee Beverage on Colour Stability of Polymethyl Methacrylate Denture Base Reinforced with 1% Chitosan Nanogel (Laboratory Study). Dentika: Dental Journal, [S. l.], v. 26, n. 2, p. 90–96, 2023. DOI: 10.32734/dentika.v26i2.11719. Disponível em: https://idjpcr.usu.ac.id/dentika/article/view/11719. Acesso em: 18 aug. 2025.