Zadik D
Community Dent Oral Epidemiol. 1976 Jul;4(4):149-51. doi: 10.1111/j.1600-0528.1976.tb00973.x.
The prevalence of traumatized primary anterior teeth was studied in 965 5-year-olds attending compulsory kindergartens in West Jerusalem in 1971. The prevalence of children with traumatized teeth was 11.1%. No difference between males and females was found. In most cases only one tooth was affected. The tooth most frequently affected was the maxillary central incisor. The most common type of fracture was that of enamel with or without dentin.
1971年,对耶路撒冷西部965名就读于义务幼儿园的5岁儿童的乳前牙外伤患病率进行了研究。牙齿受过外伤的儿童患病率为11.1%。未发现男女之间存在差异。在大多数情况下,只有一颗牙齿受到影响。最常受影响的牙齿是上颌中切牙。最常见的骨折类型是伴有或不伴有牙本质的釉质骨折。