We should not only develop good brushing habits, but also the method of brushing teeth. If the brushing method is not right, it can also cause abortions, the most common damage is tooth surface depletion and gum recession. The horizontal brushing method is a spontaneous brushing method for the general population, one of the longest and most common brushing methods along the river, the method is to bring the tip of the dramatic hair in contact with the tooth surface and make a forward and backward pulling brushing action. It has many disadvantages, mainly can not adapt to the oral anatomical morphological requirements, can not brush the teeth, especially difficult to scrub the lingual surface of the teeth and the gap between the two teeth, but also can not achieve the purpose of massage gums, and easy to cause damage to the hard tissues of the teeth and gums. For this reason, we should resolutely give up this bad horizontal brushing method, and should use the correct brushing method. I. Dental depletion characteristics The dental depletion marks caused by the horizontal brushing method are mostly on the labial and buccal surfaces of a group of dental crowns, and are often parallel lines of equal height. If a wedge-shaped defect is formed in a group of teeth caused by the horizontal brushing method, the bottom line of each tooth defect is in a straight line. Second, the damage 1, the gums and oral mucosa occurred abrasion, stabbing, or the resulting inflammation. 2.Cause gum recession. The gums are wavy in the mouth, the gum edge is curved higher, and the gum papilla is lower. If you want to play the neck of the teeth, the gingival papillae are often brushed, and over time, gingival recession will occur. This is characterized by the fact that the recession on the buccal side of the lip is more severe than the lingual side, and the buccal side of the cusp of the protruding arch is more severely affected, and the gingival recession on the left side is often heavier in right-handed brushers. The gingival damage can gradually improve when the horizontal brushing method is stopped.