张丁博士归国访谈录（二）６．请你谈一下你认为当前中国正畸与国际上先进国家的差距是什么？我想在医学院校，对于正畸矫治的原理，各种矫治系统的理论及信息的掌握方面与国外并不存在很大的差别，因为，目前我们的国际交往很多，通过杂志、会议、国外学者讲学、国内正畸... Interview with Dr. Zhang Ding (Part Two) 6. Could you please talk about what do you think the current gap between orthodontics in China and other advanced countries in the world is? I think there is not much difference in foreign countries about the theory of orthodontics, the theory of various orthodontic systems and the mastery of information because there are many international exchanges in our country at present, through magazines, conferences, overseas Scholars give lectures, domestic orthodontics ...