Eugenio, N., Scandiffio, I., Tanaka, M. H., Oliveira, A. L. B. M. de, & Siqueira Scatolin, R. (2020). Effect of violet led associated with low-concentration hydrogen peroxide on enamel surface roughness. Brazilian Journal of Oral Sciences, 19, e209197. https://doi.org/10.20396/bjos.v19i0.8659197