PROBLEM TO BE SOLVED: To provide a dental alginate impression material having excellent moisture retention and small reduction in impression accuracy even if a cured material is allowed to stand for many hours after impression collection in comparison with a conventional dental alginate impression material.SOLUTION: The dental alginate impression material comprises an alginate, a gelling reactant, and a nonreducing sugar, and comprises 1-20 pts.mass of the nonreducing sugar based on 1 pt.mass of the alginate. The substrate paste is used therefor.COPYRIGHT: (C)2012,JPO&INPIT【課題】従来の歯科用アルジネート印象材と比較して印象採取後に硬化物をより長時間放置しても、保湿性に優れ、かつ、印象精度の低下が少ないこと。【解決手段】アルギン酸塩と、ゲル化反応剤と、非還元糖と、を含み、かつ、アルギン酸塩1質量部に対して、非還元糖が1質量部~20質量部の範囲内で含まれることを特徴とする歯科用アルジネート印象材およびこれに用いる基材ペースト。【選択図】なし
