当你灿然一笑的时候,如果露出一口洁白整齐的牙齿,肯定在别人眼中会要增添不少美感; 而要是露出的是一口不怎么样的牙齿,当然也就难免会在别人心中留下些许遗憾了?其实,牙齿排列整齐,不仅只是好看,而且还会少患牙病;相反,要是牙齿长歪了,就会相对容易患牙病,而且也不美观。 When you smile lightly, if you show a neat and tidy teeth, it is sure to add a lot of beauty in the eyes of others. If you reveal a rather bad tooth, of course, it will inevitably leave some regret in the hearts of others In fact, the teeth arranged neatly, not only good-looking, but also less suffering from dental disease; on the contrary, if the teeth crooked, it will be relatively easy to dental disease, but also not beautiful.