《一种新的牙齿窝洞分类法》发表以来,不少同志对此有兴趣,提出了一些修改和补充的意见,也有的不完全同意。我认为一种新的学术观点能引起讨论,这正是百家争鸣,学术空气活跃的表现,我非常欢迎。 Since the publication of “A New Classification of Tooth Cavity”, many comrades have expressed their interest in it, put forward some suggestions for amendment and supplement, and some have not completely agreed with it. I think a new academic point of view can arouse discussion. This is exactly the reason why there are a hundred schools of thought and an active academic atmosphere. I very much welcome this.