RAHMAT HIDAYAT; HELMI FATCHURRAHMAN. The Effect of Silica Dioxide (SiO2) Nanoparticle Coating and Duration of Coffee Immersion on Discoloration of Thermoplastic Nylon Denture Base. DENTA JURNAL KEDOKTERAN GIGI, [S. l.], v. 14, n. 1, p. 38–43, 2021. DOI: 10.30649/denta.v14i1.6. Disponível em: https://journal-denta.hangtuah.ac.id/index.php/jurnal/article/view/40. Acesso em: 19 oct. 2025.