小熊的牙齿儿太大了，我拔不动，请你们来帮忙。

Little Bear's teeth is too big. I can do anything. Please help me.

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专业人士提醒，网上传播的用苏打粉、灰末以及过氧化氢进行牙齿儿美白的方法，若没有牙医的指导，会损伤牙釉质，给牙齿儿带来永久的危险。

self-treatments using baking soda, ash and hydrogen peroxide provided online with no dental experience, can strip tooth enamel and cause lasting damage to the gums, experts cautioned.

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在检查的切片中，与正常牙齿相比，在多生儿中观察到更多的球间牙本质和更少的钙化小球。

In the slices examined more interglobular dentin and less calcified globules were observed in the supernumerary than in the normal teeth.

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