Atsushi OOKUBO , Hiroyuki MISHIMA , Tsunenori MATSUNAGA , Atsushi KAWAKUBO , Masaki TSUJIMOTO , Masaaki INOUE , Tadashi KAWASHIMA , Yasuhisa TSUJIMOTO , Hiroshi NAKADA

<p><b>Abstract : </b>In this study, we made gray Portland cement and white Portland cement samples with a composition blend of Bi 20% and gypsum 5% with a weight ratio of 75% of each …

The Journal of Japan Endodontic Association 30(3), 140-146, 2009

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