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学科主题: 口腔医学
题名:
Malocclusions in Xia Dynasty in China
作者: Wang Wei1,2; Zeng Xiang-long1,2; Zhang Cheng-fei3; Yang Yan-qi3
关键词: malocclusion ; Xia Dynasty skulls ; tooth crowding ; diastema: individual tooth malposition
刊名: CHINESE MEDICAL JOURNAL
发表日期: 2012-01-05
DOI: 10.3760/cma.j.issn.0366-6999.2012.01.022
卷: 125, 期:1, 页:119-122
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Medicine, General & Internal
研究领域[WOS]: General & Internal Medicine
英文摘要:

Background The prevalence of malocclusion in modern population is higher than that in the excavated samples from the ancient times. Presently, the prevalence of juvenile malocclusion in the early stage of permanent teeth is as high as 72.92% in China. This study aimed to observe and evaluate the prevalence and severity of malocclusions in a sample of Xia Dynasty in China, and to compare these findings with the modern Chinese population.

Methods The material consisted of 38 male and 18 female protohistoric skulls of Xia Dynasty 4000 years ago. Of 86 dental arches, 29 cases had the jaw relationships. Tooth crowding, diastema, individual tooth malposition and malocclusion were studied.

Results Of the samples, 23.3% showed tooth alignment problems including crowding (8.1%), diastema (9.3%), and individual tooth malposition (5.8%). The prevalence of malocclusion was 27.6%, mainly presented as Angle Class I.

Conclusions It is indicated that over thousands of years from Neolithic Age (6000-7000 years ago) to Xia Dynasty (4000 years ago), the prevalence of malocclusion did not change significantly. The prevalence of malocclusion of Xia Dynasty samples was much lower than that of modern population. Chin Med J 2012;125(1):119-122

语种: 英语
所属项目编号: 30271429
项目资助者: National Natural Science Foundation of China
WOS记录号: WOS:000300749400022
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/56602
Appears in Collections:北京大学口腔医学院_牙周科_期刊论文

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作者单位: 1.Peking Univ, Sch Stomatol, Dept Orthodont, Beijing 100081, Peoples R China
2.Peking Univ, Hosp Stomatol, Dept Orthodont, Beijing 100081, Peoples R China
3.Univ Hong Kong, Fac Dent, Hong Kong, Hong Kong, Peoples R China

Recommended Citation:
Wang Wei,Zeng Xiang-long,Zhang Cheng-fei,et al. Malocclusions in Xia Dynasty in China[J]. CHINESE MEDICAL JOURNAL,2012,125(1):119-122.
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