宝宝的牙刷、牙线怎么挑，怎么用？间隙刷是什么鬼？小孩子不能洗牙？( 三 )

另外，最好可以买那种膨胀牙线，牙线在遇到水（口水）后，会发生膨胀，放大来看，表面像搓澡巾一样，会很好的带走脏东西。
>>>>4、牙线怎么用？
首先拉取出一段约20-25厘米长的牙线；然后将线头两端分别以线压线的方式，在两手的食指第一节上绕二至三圈，两食指间的距离约5厘米；

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文章插图
将牙线贴紧牙齿的邻接牙面并使其略成C型，以增加接触面积。然后上下左右缓和地刮动，清洁牙齿的表面、侧面以及牙龈深处的牙缝；