L. N. Ferraz, W. F. Vieira Júnior, G. M. B. Ambrosano, M. C. C. Giorgi, F. H. B. Aguiar, and D. A. N. L. Lima, “Effect of different concentrations of nanohydroxyapatite on tooth bleaching effectiveness and enamel bond strength”, BDS, vol. 21, no. 1, pp. 17–25, Mar. 2018.