N. Hikmah, M. Tanumihardja, J. J. Nugroho, N. Natsir, N. Hamrun, and S. Kasim, “Potential of nano hydroxyapatite synthesized from blood clam shells as a remineralizing agent after in-office bleaching”, J Dentomaxillofac Sci, vol. 8, no. 2, Aug. 2023.