砂轮是技工室打磨义齿不可缺少的一种工具。但在临床上我们常常遇到,一个砂轮用的时间不长,在打磨过程中因用力不当,往往会出现砂轮与柄脱离现象。尤其是圆锥形砂轮为多见。好好的砂轮,弃之可惜。我们从1980年以来采用了一种粘周方法,即节省了开支,减少了浪费,又解决了圆锥形砂轮在当地购买难的问题。重新粘固的砂轮使用起来同前,而且很 Grinding wheel is an indispensable tool in the dentist's lab. However, we often encounter in clinical practice, a wheel used for a long time, due to improper use of force in the grinding process, there will often be grinding wheel and handle from the phenomenon. In particular, conical grinding wheel is more common. Good wheel, abandoned a pity. We have adopted a sticky-tack approach since 1980, saving money, reducing waste and solving the difficult local purchasing of conical grinding wheels. Re-cementing the wheel used with the former, and very