Lee, B. S.B. S.LeeLai, E. H.E. H.LaiLiao, K. H.K. H.LiaoLee, C. Y.C. Y.LeeHsieh, K. H.K. H.HsiehLin, C. P.C. P.Lin2010-09-132018-07-092010-09-132018-07-092008-11http://ntur.lib.ntu.edu.tw//handle/246246/200618en-USA novel polyurethane-based root canal obturation material and urethane-acrylate-based root canal sealer. Part II: Evaluation of push-out bond strength.