Portocarrero-Flores, C., Alcandré, T. and Correa-Medina, A. 2024. Influence of different opacities and layering technique of nanotechnology composite resins regarding the wavelength and fluorescence intensity: in vitro study. Journal of Oral Research. 13, 1 (Jun. 2024), 160-169. DOI:https://doi.org/10.17126/joralres.2024.014.