Magnússon T E
Community Dent Oral Epidemiol. 1977 Nov;5(6):292-300. doi: 10.1111/j.1600-0528.1977.tb01017.x.
This study was performed mainly to determine the prevalence of space anomalies with regard to the various stages of dental development in Icelandic schoolchildren. The sample consisted of 1,641 randomly selected children (791 boys and 850 girls), making up 9.5% of the children attending all primary and secondary schools in Reykjavík during the school year 1972--73. In most of the frequencies of the different space anomalies boys showed a higher prevalence than girls. In both sexes there was often a significant difference from one stage of dental development to another. The results were compared with those reported for other ethnic groups.
本研究主要旨在确定冰岛学龄儿童牙齿发育各阶段牙间隙异常的患病率。样本包括1641名随机挑选的儿童（791名男孩和850名女孩），占1972 - 1973学年雷克雅未克所有中小学在校儿童的9.5%。在不同牙间隙异常的大多数发生率中，男孩的患病率高于女孩。在两性中，从牙齿发育的一个阶段到另一个阶段通常存在显著差异。研究结果与其他种族群体报告的结果进行了比较。
