| abstract |
PROBLEM TO BE SOLVED: To provide a dental glass having excellent ion-releasing properties of calcium ions and phosphate ions. A phosphorus, sodium and / or potassium, a dental glass containing calcium, in terms of oxide, phosphorus (P 2 O 5) 40 wt% to 70 wt%, sodium and / Or a dental glass containing 20% by mass or more and 40% by mass or less of potassium (Na 2 O, K 2 O), 1% by mass or more and 20% by mass or less of calcium (CaO), and substantially free of silicon and aluminum. I will provide a. [Selection diagram] None |