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，以免损伤孩子的齿龈。

youdao

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，以免损伤孩子的齿龈。

youdao