Legler D W, Al-Alousi W, Jamison H C
J Dent Res. 1980 Nov;59(11):1936-40. doi: 10.1177/00220345800590110201.
Caries data from 952 secondary school students in Iraq representing three geographic regions were obtained and analyzed on the basis of sex, geographic, and urban-rural differences. A DMFT of 5.47 and a DFS of 6.17 were recorded for the total sample. Greater caries experience was noted in urban residents, females, and those from the Central region.
收集了来自伊拉克三个地理区域的952名中学生的龋齿数据，并根据性别、地理和城乡差异进行了分析。总样本的龋失补牙面数（DMFT）为5.47，龋补牙面数（DFS）为6.17。城市居民、女性以及来自中部地区的人群龋齿发病率更高。
