Straightening children's crooked teeth with braces may improve their smile but it is no guarantee of happiness and improved self esteem.

用牙套来矫正孩子们不够整齐的牙齿，也许可以让他们的笑容更加灿烂，但不一定能使他们更加快乐、更具自豪感。

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Cutting our children's hair is "unnatural" too, much like punching holes in their earlobes and straightening their teeth through painful orthodontic procedures.

剪下我们幼儿的胎发同样是“不自然”的，这和在他们的耳垂上穿耳洞和用那种痛苦的牙箍来矫正他们的牙齿大体上是一样的。

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This practitioner is a dentist who has taken postgraduate work in the straightening of teeth.

这类执业者是一种牙医，专业是研究牙齿矫正。

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Many parents don't think twice about straightening their kids' crooked teeth but stop short of fixing a crooked nose, and yet, in just the past seven years, plastic surgery performed on teens has doubled.

CNN: ASIANOW - TIME Asia | Brainteaser