| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an artificial tooth which does not have to join directly with a jawbone and its manufacturing method, as well as an artificial tooth which stands a transplantation, homologous or heterogenous, and its manufacturing method. SOLUTION: The artificial tooth has a layer with extracted collagen filled in a root canal of a homologous or heterogenous permanent tooth from which periodontal membrane and constituents of nerves and blood vessels are removed, as well as a membrane of extracted collagen on the surface of a root of a tooth covered with periodontal membrane with the above cell constituents removed.</p> |
