甜甜的今天
如何刷牙是吧？我给你写一篇作文。1、巴氏刷牙法主要用于成年人，将刷头放置于牙颈部，刷毛指向牙根的方向，与牙长轴约呈45°角，轻微的加压使刷毛部分进入牙龈沟内，部分置于牙龈上。Pap brushing method is mainly used in adults, the brush head will be placed in the teeth progress. The bristles point in the direction of the root, about 45 degrees from the long axis of the tooth. A slight pressurization, Steed. The bristles go into the twisted part of the tooth. 从后牙的颊侧以2-3颗牙为一组开始刷牙，From the buccal side of the posterior teeth to the evil treatment of three teeth as a group began to brush their teeth, with a short range of horizontal tremor in the same part of the movement Reverse the toothbrush several times Rotating in the direction of the ivory crown. 用短距离水平颤动的动作在同一个部位往返数次，将牙刷向牙冠方向转动，拂刷颊面，刷完每个部位后将牙刷移至下一组2-3颗牙的位置重新放置。Brush the cheeks. After brushing each area, move the toothbrush to the next set of 2-3 teeth and reposition them. Brush the side of the posterior teeth in the same way. Brush the root test can be. Place the brush head vertically on the tooth surface and then re-brush. 用同样的方法刷后牙的舌侧，刷上前牙舌侧时可以将刷头竖放在牙面上再进行复刷。
