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치간칫솔쓰는게 좋다고 들었어요오
One is the narrowest and the other is a standard size.
Since the structure of the spaces between the upper and lower teeth is different, we manage them using two methods.
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One is the narrowest and the other is a standard size.
Since the structure of the spaces between the upper and lower teeth is different, we manage them using two methods.
치간칫솔쓰는게 좋다고 들었어요오