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Article: Malocclusions in Xia Dynasty in China
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TitleMalocclusions in Xia Dynasty in China
 
AuthorsWang, W2
Zeng, X
Zhang, C1
Yang, Y
 
KeywordsMalocclusion
Xia Dynasty skulls
Tooth crowding
Diastema
Individual tooth malposition
 
Issue Date2012
 
PublisherZhonghua Yixuehui. The Journal's web site is located at http://med.wanfangdata.com.cn/Paper/PeriodicalInfo.aspx?periodicalID=zhcmj
 
CitationChinese Medical Journal, 2012, v. 125 n. 1, p. 119-122 [How to Cite?]
DOI: http://dx.doi.org/10.3760/cma.j.issn.0366-6999.2012.01.022
 
AbstractBACKGROUND: 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.
 
DescriptionOriginal article
Open Access Journal
 
ISSN0366-6999
2013 Impact Factor: 1.016
2013 SCImago Journal Rankings: 0.433
 
DOIhttp://dx.doi.org/10.3760/cma.j.issn.0366-6999.2012.01.022
 
ISI Accession Number IDWOS:000300749400022
Funding AgencyGrant Number
National Natural Science Foundation of China30271429
Funding Information:

This study was supported by a grant from National Natural Science Foundation of China (No. 30271429).

 
DC FieldValue
dc.contributor.authorWang, W
 
dc.contributor.authorZeng, X
 
dc.contributor.authorZhang, C
 
dc.contributor.authorYang, Y
 
dc.date.accessioned2012-05-23T05:28:08Z
 
dc.date.available2012-05-23T05:28:08Z
 
dc.date.issued2012
 
dc.description.abstractBACKGROUND: 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.
 
dc.description.naturelink_to_OA_fulltext
 
dc.descriptionOriginal article
 
dc.descriptionOpen Access Journal
 
dc.identifier.citationChinese Medical Journal, 2012, v. 125 n. 1, p. 119-122 [How to Cite?]
DOI: http://dx.doi.org/10.3760/cma.j.issn.0366-6999.2012.01.022
 
dc.identifier.doihttp://dx.doi.org/10.3760/cma.j.issn.0366-6999.2012.01.022
 
dc.identifier.epage122
 
dc.identifier.hkuros199775
 
dc.identifier.isiWOS:000300749400022
Funding AgencyGrant Number
National Natural Science Foundation of China30271429
Funding Information:

This study was supported by a grant from National Natural Science Foundation of China (No. 30271429).

 
dc.identifier.issn0366-6999
2013 Impact Factor: 1.016
2013 SCImago Journal Rankings: 0.433
 
dc.identifier.issue1
 
dc.identifier.pmid22340477
 
dc.identifier.scopuseid_2-s2.0-84862909950
 
dc.identifier.spage119
 
dc.identifier.urihttp://hdl.handle.net/10722/146832
 
dc.identifier.volume125
 
dc.languageeng
 
dc.publisherZhonghua Yixuehui. The Journal's web site is located at http://med.wanfangdata.com.cn/Paper/PeriodicalInfo.aspx?periodicalID=zhcmj
 
dc.publisher.placeChina
 
dc.relation.ispartofChinese Medical Journal
 
dc.relation.ispartof中华医学杂誌 (英文版)
 
dc.subject.meshChina - epidemiology
 
dc.subject.meshDiastema
 
dc.subject.meshHistory, Ancient
 
dc.subject.meshMale
 
dc.subject.meshMalocclusion - epidemiology - history
 
dc.subject.meshFemale
 
dc.subject.meshHumans
 
dc.subjectMalocclusion
 
dc.subjectXia Dynasty skulls
 
dc.subjectTooth crowding
 
dc.subjectDiastema
 
dc.subjectIndividual tooth malposition
 
dc.titleMalocclusions in Xia Dynasty in China
 
dc.typeArticle
 
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<contributor.author>Zeng, X</contributor.author>
<contributor.author>Zhang, C</contributor.author>
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<description.abstract>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.</description.abstract>
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Author Affiliations
  1. The University of Hong Kong
  2. Peking University