编者按】我们很多人知道牙齿是可以矫正的。那些戴着“牙套”的孩子曾令我们好奇。现在我们进一步明白了，在发达国家拥有一口健康、整齐的牙齿的人群中，约有一半是经过矫治的。让孩子拥有一口健康的牙齿，已成为越来越多父母关心的问题。为此，我们邀请这方面有经验的医... Editor’s note] Many of us know that the teeth are correctable. We were curious about those children wearing braces. We now understand further that about half of the people in developed countries who have healthy, well-groomed teeth are treated orthodontically. Having children have healthy teeth has become a growing concern for parents. To this end, we invite experienced doctors in this area ...