A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is
Statement of Problem: Different temperature and moisture around Iran and wide usage of stone type IV in dental laboratories in our country were the reasons for us for doing this study. Purpose: In this survey the effect of temperature, moisture and time on dimensional change of dental stone type IV (Velmix) were investigated. Materials and Methods: In this experimental study cube shape Metal models (10×10×10mm) was made for Taking impression. We used special tray, which has ten holesfatcat:qbv66fo4k5b7rkenbozw7cfevi