Saxby M
Community Dent Oral Epidemiol. 1984 Jun;12(3):185-7. doi: 10.1111/j.1600-0528.1984.tb01435.x.
In a survey of 7266 schoolchildren, aged 14-19 yr, the prevalence of juvenile periodontitis was found to be 0.1%. A predilection for Negroes was noted. There was no difference in prevalence between sexes.
在一项对7266名14至19岁学童的调查中,发现青少年牙周炎的患病率为0.1%。研究注意到黑人更易患病。男女患病率无差异。