| 摘要 |
PROBLEM TO BE SOLVED: To obtain an excellent re-calcifying effect. SOLUTION: This dental composition having the re-calcifying effect to teeth is prepared by mixing a calcium-containing component (A), a fluorine-containing component and/or a phosphate (B), an organic acid (C) and a carbonate and/or a hydrogencarbonate (D) and adjusting the pH at the beginning of its dissolution to 3 to 4 and the pH at the end of its dissolution to 5 to 8.
|
