| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a dental metal crown 1 and a dental implant capable of previously preventing cutaneous diseases caused by metal ions eluted into an organism. <P>SOLUTION: This dental metal crown 1 and the dental implant are formed by welding and plating metal 3 having a different intensity of ionization inclination from that of metal of a body 2 and the purity exceeding a predetermined rate to the body 2 composed of the metal material. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
