| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a dental porcelain composition improving the esthetic property of crowns. <P>SOLUTION: This dental porcelain composition is obtained by comprising a porcelain material containing glass containing silicon oxide, aluminum oxide, boron oxide and sodium oxide as main components and having a≤680°C softening point, and a pearl pigment obtained by coating hard mica with a thin layer of a metal or a metal oxide. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
