释义 |
DictionarySeeinvestmentdental casting investment
dental casting investmentA material combining principally a form of silica and a bonding agent. The bonding substance may be gypsum or silica phosphate according to the casting temperature. See also: investmentden·tal cast·ing in·vest·ment (den'tăl kas'ting in-vest'mĕnt) Combination of silica phosphate and gypsum bonding materials used in dentistry to enclose wax or plastic patterns during the casting process in the laboratory fabrication of dental crowns and bridges. |