将泡过茶的茶叶渣一小撮放入口中细嚼一分钟后，吐掉用清水漱净口腔。饭后如有习惯剔牙者，应剔净食物残渣后再嚼茶叶渣。只要持之以恒，即可达到防治牙周炎等牙病的效果。茶叶渣防治牙周炎 A small handful of tea leaves soaked in tea into the mouth after a minute of chewing, spit out with water rinse mouth. If you are used to picking teeth after a meal, you should tick the food residue and chew tea leaves. As long as perseverance, you can achieve the effect of prevention and treatment of periodontitis and other dental diseases. Tea leaves prevent periodontitis