| abstract |
A composition for use in forming a hard tissue substitute comprising (A) a powder ingredient mainly comprised of Can+2(PO4)2On-1, where n is from 1.9 to 4.9 and (B) an aqueous solution of an organic acid, preferably of the TCA cycle, or a polymer of an organic acid. This composition has a good affinity with living organisms, a high compressive strength, and a low disintegration rate. |