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学科主题: 口腔医学
题名:
Craniofacial morphology in Chinese female twins: a semi-longitudinal cephalometric study
作者: Peng, J1; Deng, H1; Cao, CF1; Ishikawa, M1
刊名: EUROPEAN JOURNAL OF ORTHODONTICS
发表日期: 2005-12-01
DOI: 10.1093/ejo.cji059
卷: 27, 期:6, 页:556-561
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Dentistry, Oral Surgery & Medicine
研究领域[WOS]: Dentistry, Oral Surgery & Medicine
关键词[WOS]: HERITABILITY
英文摘要:

It would be of benefit to have a better understanding of the relative effects of genetics and environmental factors on craniofacial parameters when undertaking orthodontic therapy and treatment planning. However, there is a lack of such information in pre-adolescents. The aim of this study was to verify the degree of genetic and environmental contribution to the growth of the facial skeleton in twins aged 6 to 12 years. The material comprised the lateral cephalograms of 89 pairs of female twins in Beijing, China, of whom 61 pairs were diagnosed by DNA analysis as monozygotic (MZ) and 28 pairs as dizygotic (DZ). Four main groups (with a starting age of 6, 7, 9 and 11 years) were studied in a semi-longitudinal manner, with a sub-group further investigated for 2-4 consecutive years. The total sample therefore consisted of 183 pairs (MZ 110, DZ 73) aged from 6 to 12 years. The depths of the cranial base, mid and lower face were measured, as well as anterior and posterior face height.

A two-tailed t-test showed significant environmental effects on lower face depth (P < 0.01), whilst genetic effects on face height were also significant (P < 0.01). The results suggest that early orthodontic intervention would have a greater influence on the antero-posterior rather than on the vertical plane of growth.

语种: 英语
WOS记录号: WOS:000233848800004
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/51398
Appears in Collections:北京大学口腔医学院_儿童口腔科_期刊论文

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作者单位: 1.Peking Univ, Dept Pediat Dent, Sch Stomatol, Beijing 100081, Peoples R China
2.Peking Univ, Dept Oral Med, Sch Stomatol, Beijing 100081, Peoples R China
3.Tokyo Med & Dent Univ, Fac Dent, Dept Pediat Dent, Tokyo, Japan

Recommended Citation:
Peng, J,Deng, H,Cao, CF,et al. Craniofacial morphology in Chinese female twins: a semi-longitudinal cephalometric study[J]. EUROPEAN JOURNAL OF ORTHODONTICS,2005,27(6):556-561.
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