Witjaksono, W., Naing, L., Mulyawati, E., Samsudin, A. and Tin Oo, M.M. 2007. Sealing ability of hydroxyapatite as a root canal sealer: in vitro study. Dental Journal. 40, 3 (Sep. 2007), 101–105. DOI:https://doi.org/10.20473/j.djmkg.v40.i3.p101-105.