Zadik D
J Dent Res. 1976 Nov-Dec;55(6):1125-6. doi: 10.1177/00220345760550062001.
Caries of the permanent first molars of 5-year-old children was found to be associated with caries of their diciduous teeth. The sample consisted of 220 children whose permanent first molars had erupted. They were selected out of 965 children who were a representative sample of children attending compulsory kindergartens in Jerusalem, 1971.
研究发现,5岁儿童的恒牙第一磨牙龋齿与其乳牙龋齿有关。样本包括220名恒牙第一磨牙已萌出的儿童。他们是从1971年耶路撒冷义务幼儿园就读儿童的965名具有代表性的样本中挑选出来的。