Sánchez Flores I, Rincón Mejía V M, Gómez Salas L, Kubodera Ito T
Pract Odontol. 1989 Sep;10(9):35-8, 40-4.
A study was undertaken on 1,474 school children of either sex, aged six to 12, from the community of Toluca, Mexico State, selected by dual-stage conglomerate sampling, both from rural and urban areas. Data registered included teeth with caries, lost teeth and filled cavities for permanent dentition, and teeth with caries, extracted or obturated teeth in the case of primary dentition. Periodontal health status was evaluated according to World Health Organization criteria, and conditions of occlusion were graded according to Angle's classification.
对墨西哥州托卢卡社区1474名6至12岁的学龄儿童进行了一项研究，这些儿童通过两阶段整群抽样从农村和城市地区选取，男女不限。记录的数据包括恒牙列中有龋齿、缺失牙和补牙的情况，以及乳牙列中有龋齿、已拔除或已充填的牙齿情况。根据世界卫生组织标准评估牙周健康状况，并根据安氏分类法对咬合情况进行分级。
