老年人牙齿多缺失,牙间隙逐渐增大,饭后经常塞牙,使用牙签的机会多。正确使用牙签,可以起到刮擦牙齿邻面食物残渣及减少牙菌斑的作用。需要提醒的是,牙签适合牙缝较宽的人使用。牙龈萎缩、牙根暴露的人也适宜。牙周健康、牙间隙正常,没有牙龈萎缩的人,最好不用牙签,可在饭后漱 The elderly lost more teeth, teeth gradually increase the gap, often after eating teeth, toothpicks and more opportunities. Proper use of toothpicks, can play the role of scraping the teeth adjacent food debris and reduce plaque. Need to be reminded that toothpicks for a wider range of people to use. Gingival recession, root exposure of people are appropriate. Periodontal health, normal interdental space, no gingival recession, the best toothpick, can be rinsed after a meal