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多年来在普通磨片上只能观察牙齿的硬组织,松软的牙髓被磨掉了,而牙齿的脱钙切片可以保留下牙髓,牙釉质又被全部脱掉。因此在一张牙齿的组织片子上无法同时看到牙齿全部组织。在观察牙齿的龋病病理改变时也是这样;很难在一张片子上同时看到从釉质到牙本质的各层变化。1981年孙庆妹报告了整体牙磨片制做法以后,我们学习并加以改进,提高了制片成功率,随将整体牙磨片用于教学,通过三轮教学应用体会如
Over the years in the ordinary grinding only observe the hard tissue of teeth, soft pulp was worn away, and decalcified slices of the teeth can retain the bottom of the pulp, enamel has been taken off. Therefore, in a piece of tooth tissue can not see all the teeth at the same time the organization. This is also true when observing the pathological changes in dental caries; it is difficult to see the changes from enamel to dentin layers simultaneously on a single film. In 1981, Sun Qingmei reported on the whole toothbrush manufacturing method, we learn and improve, improve the success rate of filmmaking, with the overall toothbrush used in teaching, through three teaching experience such as