| 摘要 |
<p>The invention provides a root canal filling material comprising ahardenable paste prepared by kneading a powder and a liquid, wherein the powder is one obtained by compounding tetracalcium phosphate having an excellent affinity to the tissue as a major component, a hardening agent comprising magnesium oxide having an extremely high affinity to the vital tissue and accelerating the new growth of a dentin or an osteoid tissue, rosin as a water repellant and workability improver, and an X ray contrast medium and the liquid is composed of oleic acid. This filling material has an excellent affinity to the tissue, undergoes less degradation after being hardened, and shows high performance as the root canal filling material.</p> |
