Spectrophotometric Analysis of Color Stability of Omnichroma Composite and Multi-Shade Composite Material Under The Effect Of Chlorhexidine in the Presence and Absence of Anti-Discoloration System –an in-Vitro Study. International Journal of Environmental Sciences, [S. l.], p. 2721–2726, 2025. DOI: 10.64252/dq0efz35. Disponível em: https://theaspd.com/index.php/ijes/article/view/7765.. Acesso em: 26 aug. 2026.