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

TitleMorphological and numerical characteristics of the southern Chinese dentitions. Part III: anomalies in the primary dentition
Authors
KeywordsDental anomalies
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. 25-36 How to Cite?
AbstractAim: To investigate the prevalence of eight morphological and numerical anomalies in the primary dentition of southern Chinese and to compare the prevalences with those from different ethnic groups. Materials and Methods: The material used in the study consisted of plaster casts and standardized panalipse radiographs collected from 936 randomly selected 5-year-old children (493 males and 443 females) in Hong Kong. The anomalies, hyperdontia, hypodontia, macrodontia, microdontia, double tooth, talon cusp, dens invaginatus and taurodontism, were assessed using diagnostic criteria that have been most often been cited in the published literature. Results: Of the eight dental anomalies examined, microdontia was the most common and occurred in 6.3% of southern Chinese children. This prevalence figure was much higher than that of other ethnic groups and it was mainly due to microdontia of the maxillary canines (4.3%). The prevalence of hypodontia (4.1%) was also the highest of all races, of which mandibular lateral incisors were the most frequently missing teeth in the southern Chinese (3.2%). Of the other dental anomalies studied, the prevalence of hyperdontia (2.8%) and double tooth (4.1%) were higher than reported for Caucasians. Conclusion: Higher prevalences of microdont maxillary canines, and missing lateral mandibular incisors can be considered to be characteristics of the southern Chinese primary dentition.
Persistent Identifierhttp://hdl.handle.net/10722/66333
ISSN

 

DC FieldValueLanguage
dc.contributor.authorKing, NMen_HK
dc.contributor.authorTongkoom, Sen_HK
dc.contributor.authorWong, HMen_HK
dc.date.accessioned2010-09-06T05:45:29Z-
dc.date.available2010-09-06T05:45:29Z-
dc.date.issued2010en_HK
dc.identifier.citationThe Open Anthropology Journal, 2010, v. 3, p. 25-36en_HK
dc.identifier.issn1874-9127en_HK
dc.identifier.urihttp://hdl.handle.net/10722/66333-
dc.description.abstractAim: To investigate the prevalence of eight morphological and numerical anomalies in the primary dentition of southern Chinese and to compare the prevalences with those from different ethnic groups. Materials and Methods: The material used in the study consisted of plaster casts and standardized panalipse radiographs collected from 936 randomly selected 5-year-old children (493 males and 443 females) in Hong Kong. The anomalies, hyperdontia, hypodontia, macrodontia, microdontia, double tooth, talon cusp, dens invaginatus and taurodontism, were assessed using diagnostic criteria that have been most often been cited in the published literature. Results: Of the eight dental anomalies examined, microdontia was the most common and occurred in 6.3% of southern Chinese children. This prevalence figure was much higher than that of other ethnic groups and it was mainly due to microdontia of the maxillary canines (4.3%). The prevalence of hypodontia (4.1%) was also the highest of all races, of which mandibular lateral incisors were the most frequently missing teeth in the southern Chinese (3.2%). Of the other dental anomalies studied, the prevalence of hyperdontia (2.8%) and double tooth (4.1%) were higher than reported for Caucasians. Conclusion: Higher prevalences of microdont maxillary canines, and missing lateral mandibular incisors 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 anomalies-
dc.subjectPrimary dentition-
dc.subjectSouthern Chinese-
dc.titleMorphological and numerical characteristics of the southern Chinese dentitions. Part III: anomalies 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=25&epage=36&date=2010&atitle=Morphological+and+numerical+characteristics+of+the+southern+Chinese+dentitions.+Part+III:+Anomalies+in+the+primary+dentitionen_HK
dc.identifier.emailKing, NM: profnigelking@mac.comen_HK
dc.identifier.emailWong, HM: wonghmg@hkucc.hku.hken_HK
dc.identifier.authorityKing, NM=rp00006en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.2174/1874912701003010025-
dc.identifier.hkuros168737en_HK
dc.identifier.volume3-
dc.identifier.spage25-
dc.identifier.epage36-
dc.publisher.placeNetherlands-

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