磨片在研究硬组织方面是很重要的方法,尤其在口腔组织学方面。但是,以前磨片方法上存在着一定的缺点,在磨片过程中由于片子的磨薄,软组织便随着脱落,因之在磨片上看不到软组织,所以在研究正个组织的结构时便遇到了很大的困难。自从党提出了技术革命破除迷信要搞科学技术的尖端后,在党的领导和支持下终究 Abrasive discs are an important method of studying hard tissue, especially in oral histology. However, there are some shortcomings in the previous method of grinding. In the process of grinding, the soft tissue is removed due to the thinness of the film. Therefore, the soft tissue can not be seen on the grinding plate. Therefore, when studying the structure of a single tissue Encountered a great deal of difficulty. Since the party proposed the technological revolution to get rid of superstitions to be the cutting-edge science and technology, under the leadership and support of the party after all