近年来 ,越来越多报道吸烟对牙周健康不利 ,但关于吸烟对健康年轻人的牙周状况是否有影响目前尚未见报道。而越来越多的年轻人吸烟成瘾 ,对其危害性认识不足。本文研究了30 0例健康年轻人 ,比较吸烟者与非吸烟者的牙周状况 ,现报导如下 :1　材料与方法1.1　研究对象　选择河南? In recent years, more and more reports of smoking on the periodontal health adverse, but on the smoking of healthy young people’s periodontal conditions have no impact has not been reported. And more and more young people are addicted to smoking and lack of understanding of its harmfulness. This article studied 30 0 cases of healthy young people, compared smokers and non-smokers periodontal status, are reported as follows: 1 Materials and Methods 1.1 Study Choose Henan?