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学科主题: 口腔医学
题名:
Comparison of Chinese and white Bolton standards at age 13
作者: Zhao, Xiao-Guang1,2; Hans, Mark Guenther3; Palomo, Juan Martin3; Lin, Jiu-Xiang2
关键词: Bolton standard ; Ethnic comparison ; Cephalometric superimposition
刊名: ANGLE ORTHODONTIST
发表日期: 2013-09-01
DOI: 10.2319/110412-849.1
卷: 83, 期:5, 页:809-816
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]: WELL-BALANCED FACES ; EUROPEAN-AMERICAN ADULTS ; NORMAL OCCLUSIONS ; ETHNIC-DIFFERENCES ; YOUNG-ADULTS
英文摘要:

Objectives: To create a combined male-female Chinese Bolton standard for age 13 and to compare it to the combined Bolton standard for white 13 year olds.

Materials and Methods: Thirty-two Chinese and 32 white subjects (16 adolescent boys and 16 adolescent girls aged 13 years in each ethnic group) who fulfilled the selection criteria used to create the original Bolton standards were enrolled. Their cephalograms were traced and then averaged two at a time following the Bolton method. In addition to creating the template from the 32 subjects in each group, 43 linear and angular variables were measured and compared between the two ethnic groups and between the two sexes in each ethnic group using independent t-tests. A P value of .05 was used to assign statistical significance. The male-female combined templates for 13 year olds were also compared superimposing either in the Bolton relation or by soft tissue.

Results: No sexual dimorphism was found in the white subjects, whereas the Chinese girls had decreased upper face height (Na-ANS), more protrusive incisors (SNA-U1), and shorter cranial base (Ba-Na) and posterior cranial base (S-Ba) compared with the Chinese boys. In terms of ethnic comparison, the Chinese subjects presented shorter sagittal facial dimensions, a clockwise rotated mandible with a more acute gonial angle, and a convex facial profile with a less prominent nose and chin. However, overall vertical dimensions were similar.

Conclusions: A 13-year-old combined male-female Chinese Bolton standard was created that demonstrated visually and with metric comparisons that Chinese and white clinically normal subjects have different craniofacial characteristics. These differences should be taken into consideration when an individualized orthodontic treatment plan is developed.

语种: 英语
WOS记录号: WOS:000326128600009
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/63110
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.Sun Yat Sen Univ, Dept Orthodont, Hosp Stomatol, Guangzhou 510275, Guangdong, Peoples R China
2.Peking Univ, Dept Orthodont, Sch & Hosp Stomatol, Beijing 100081, Peoples R China
3.Case Western Reserve Univ, Dept Orthodont, Sch Dent Med, Cleveland, OH 44106 USA

Recommended Citation:
Zhao, Xiao-Guang,Hans, Mark Guenther,Palomo, Juan Martin,et al. Comparison of Chinese and white Bolton standards at age 13[J]. ANGLE ORTHODONTIST,2013,83(5):809-816.
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