Analysis of the Colour Change, Surface Roughness, and Hardness of Nanofiller Composite Resin after Exposure to Syzygium Cumini Extract Mouthwash. Tropical Journal of Natural Product Research , [S. l.], v. 9, n. 10, p. 4986 – 4995, 2025. DOI: 10.26538/tjnpr/v9i10.39. Disponível em: https://tjnpr.org/index.php/home/article/view/7633. Acesso em: 28 dec. 2025.