If the brush is furcated or evaginable, it needs to be replaced in case of damaging the tooth-ridge.
如刷毛分叉、外翻应及时更换，
免损伤孩子的齿龈。
If the brush is furcated or evaginable, it needs to be replaced in case of damaging the tooth-ridge.
如刷毛分叉、外翻应及时更换，免损伤孩子的齿龈。
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