牙病是一种常见病。刷牙是预防牙病的主要方法之一。正确的刷牙方法要注意两点:一、全口牙齿要面面刷到,即对牙的唇颊面、舌面与咬合面要刷净。刷牙时要分区刷,每区4—5个牙,先刷上牙,再刷下牙,反复刷5—6下。二、顺牙缝刷,从牙 Dental disease is a common disease. Brushing is one of the main ways to prevent dental problems. The correct way to brush your teeth should pay attention to two points: First, the whole mouth to brush the face to face, that is, the teeth of the lip buccal surface, tongue and occlusal surface to be clean. When brushing to partition brush, 4-5 teeth per area, first brush on the teeth, and then brush the teeth, brushing 5-6 under. Second, Shun teeth sewing brush, from the teeth