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在一项关于“什么样的笑容最美丽”的评测研究中调查者发现,与肌肤白皙,五官生动、一头长发等因素相比,“拥有一口洁白健康的牙齿”更为重要。难怪说牙齿已经成为现代人的“第二张身份证”。所以,美白功课,除了肌肤,还有牙齿!美国人做过的一项研究发现——判断一个人的笑容是否美丽,至少30%的因素归功于牙齿。你的父母或许没有遗传给你沉鱼落雁的容颜,但一口洁白健康的牙
In a review of “what is the most beautiful smile,” investigators found that “having a healthy, healthy tooth” is more important than fair-skinned, vivid, long hair and other factors . No wonder that teeth have become the modern “second ID card.” Therefore, whitening homework, in addition to the skin, there are teeth! A study done by Americans found - to determine whether a person's smile is beautiful, at least 30% of the factors attributed to the teeth. Your parents may not have inherited the beauty of your face, but a healthy white tooth