Plat铸造陶瓷全冠铸造精度的研究

Study on Casting Precision of Plat Castable Ceramic Crowns

作者对自制的包埋料、锛造工艺及国产铸造机铸出的陶瓷冠的精度和适合性进行了考察研究。结果显示,涂代型隙料组的边缘浮升量为46μm,粘固剂厚度为65.13μm,结果满意,可应用于临床,为今后推广应用创造了有利条件。

The plat castable ceramiccrown was made with investment mate-rial prepared in our college with our owncasting technique by a Chinese-made cast-ing machine. The accuracy and fitnessof the crown were studied and appraised.Results show that the margin of fitnessis 46 μm and that the cement film thick-ness of the dies in the spacer materialgroup is 65.13μm. Hence the results aresatisf actory. The Plat castable ceramiccrown might be used in clinical dentistry.