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精密铸造在口腔修复中应用十分广泛,多年来,铸造体投金量是根据经验投放,一个铸造体到底需要多少铸金,没有一个可靠的数据作参照,所以铸造时担心铸金不足造成失败而多放铸金。为了摸清目前操作中投金量的现状,对100件铸造体采取铸造之后,喷砂除净包埋料,天平称铸造体的总量。切除铸道称铸造体。在模型上就位,细磨光再称其重量。将数据一一登记,进行统计分析。其结果铸造体用金量只占投金量的45.07％。最高的投金量是铸造体用金量的2.84倍,最低的是1.27倍。并从中找出了各种铸造体投金定量标准,供同行们按种类在包埋前就计算出总投金量。二年来,按投金定量参考标准,铸造2686件均取得成功。
Casting is widely used in the repair of dental prostheses. Over the years, casting investment is based on experience. How much casting is needed in a casting and there is no reliable data for reference? Put more gold. In order to find out the current status of investment in the operation, the casting of 100 castings taken after the blasting net embedded material, balance that the total amount of casting body. Excavation of cast that casting. In place on the model, fine polished and then weigh it. Data will be registered one by one, for statistical analysis. As a result, the amount of gold used for casting only accounts for 45.07% of the total amount invested. The highest amount of castings is cast with 2.84 times the amount of gold, the lowest is 1.27 times. And found a variety of castings cast gold quantitative standards for colleagues by type in the embedding before calculating the total amount of investment. In the past two years, according to the quantitative reference standard for casting gold, 2686 pieces have been cast with success.