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Article: Morphological and numerical characteristics of the southern Chinese dentitions. Part IV: Traits in the primary dentition

TitleMorphological and numerical characteristics of the southern Chinese dentitions. Part IV: Traits in the primary dentition
Authors
KeywordsDental traits
Primary dentition
Southern Chinese
Issue Date2010
PublisherBentham Open. The Journal's web site is located at http://www.bentham.org/open/toanthj/index.htm
Citation
The Open Anthropology Journal, 2010, v. 3, p. 37-53 How to Cite?
AbstractAim: To investigate the prevalence of twelve dental traits in the primary dentition of southern Chinese and compare to these figures with those from different ethnic groups. Materials and Methods: The material used in the study consisted of study casts collected from 936 randomly selected 5- year-old children (493 males and 443 females) in Hong Kong. The anomalies were assessed using diagnostic criteria that have been most often been cited in the published literature. Results: Of the twelve dental traits studied, the prevalence figures of seventh accessory cusp (89.0%), distal trigonid crest (33.5%) and metaconid ridge (84.0%) in the southern Chinese children were higher than reported for other ethnic groups. The prevalence figures for distinct and strong types of protostylid (13.7% and 0.9%), in this study, were also found to be higher than for other populations. However, the prevalence of deflecting wrinkle was 63.0% which was the lowest reported for Mongoloids. The prevalences of double lingual tubercle (22.5%) and “Y” type of occlusal groove pattern (80.1%) in southern Chinese children were found to be lower then for other ethnic groups. Conclusion: Higher prevalences of seventh accessory cusp, distal trigonid crest and metaconid ridge can be considered to be characteristics of the southern Chinese primary dentition.
Persistent Identifierhttp://hdl.handle.net/10722/66733
ISSN

 

DC FieldValueLanguage
dc.contributor.authorKing, NMen_HK
dc.contributor.authorTongkoom, Sen_HK
dc.contributor.authorWong, HMen_HK
dc.date.accessioned2010-09-06T05:48:52Z-
dc.date.available2010-09-06T05:48:52Z-
dc.date.issued2010en_HK
dc.identifier.citationThe Open Anthropology Journal, 2010, v. 3, p. 37-53en_HK
dc.identifier.issn1874-9127en_HK
dc.identifier.urihttp://hdl.handle.net/10722/66733-
dc.description.abstractAim: To investigate the prevalence of twelve dental traits in the primary dentition of southern Chinese and compare to these figures with those from different ethnic groups. Materials and Methods: The material used in the study consisted of study casts collected from 936 randomly selected 5- year-old children (493 males and 443 females) in Hong Kong. The anomalies were assessed using diagnostic criteria that have been most often been cited in the published literature. Results: Of the twelve dental traits studied, the prevalence figures of seventh accessory cusp (89.0%), distal trigonid crest (33.5%) and metaconid ridge (84.0%) in the southern Chinese children were higher than reported for other ethnic groups. The prevalence figures for distinct and strong types of protostylid (13.7% and 0.9%), in this study, were also found to be higher than for other populations. However, the prevalence of deflecting wrinkle was 63.0% which was the lowest reported for Mongoloids. The prevalences of double lingual tubercle (22.5%) and “Y” type of occlusal groove pattern (80.1%) in southern Chinese children were found to be lower then for other ethnic groups. Conclusion: Higher prevalences of seventh accessory cusp, distal trigonid crest and metaconid ridge can be considered to be characteristics of the southern Chinese primary dentition.-
dc.languageengen_HK
dc.publisherBentham Open. The Journal's web site is located at http://www.bentham.org/open/toanthj/index.htmen_HK
dc.relation.ispartofThe Open Anthropology Journalen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectDental traits-
dc.subjectPrimary dentition-
dc.subjectSouthern Chinese-
dc.titleMorphological and numerical characteristics of the southern Chinese dentitions. Part IV: Traits in the primary dentitionen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1874-9127&volume=3&spage=37&epage=53&date=2010&atitle=Morphological+and+numerical+characteristics+of+the+southern+Chinese+dentitions.+Part+IV:+Traits+in+the+primary+dentitionen_HK
dc.identifier.emailKing, NM: profnigelking@mac.comen_HK
dc.identifier.emailWong, HM: wongh@hkusua.hku.hken_HK
dc.identifier.authorityKing, NM=rp00006en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.2174/1874912701003010037-
dc.identifier.hkuros168738en_HK
dc.identifier.volume3-
dc.identifier.spage37-
dc.identifier.epage53-

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