Cahen P M, Turlot J C, Frank R M, Clement G, Seckler G
Community Dent Oral Epidemiol. 1987 Aug;15(4):211-5. doi: 10.1111/j.1600-0528.1987.tb00522.x.
A representative sample of 1650 children randomly selected in the 6-15-yr-old schoolchild population of Strasbourg was examined by well-calibrated examiners. The prevalence of caries was determined with the DMFT, DMFS and dft indices using bitewing radiographs. Plaque, calculus and gingival indices were also determined. The results obtained were compared with the initial study of 1974 performed in Strasbourg using the same epidemiologic methods. Whereas no important variations were observed in caries prevalence of primary teeth, a significant reduction of caries activity was observed in DMFT and DMFS indices in all age groups. There was a reduction of these two indices of respectively 32% and 33% in the 12-yr-old children. The reduction was the most significant on approximal surface lesions. A statistically significant decrease of the calculus and gingival indices was also observed between 1974 and 1984. A less significant decrease was observed for the plaque index.
在斯特拉斯堡6至15岁学龄儿童人群中随机抽取了1650名儿童作为代表性样本，由校准良好的检查人员进行检查。使用咬合翼片X光片，通过DMFT、DMFS和dft指数确定龋齿患病率。还测定了菌斑、牙石和牙龈指数。将所得结果与1974年在斯特拉斯堡使用相同流行病学方法进行的初步研究进行比较。虽然乳牙龋齿患病率未观察到重要变化，但在所有年龄组中，DMFT和DMFS指数显示龋齿活动显著降低。12岁儿童的这两个指数分别降低了32%和33%。邻面龋损的降低最为显著。1974年至1984年间，牙石和牙龈指数也有统计学意义的下降。菌斑指数的下降不太显著。
