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Conference Paper: Oral health of 12-year-old Dai children in Yunnan, China

TitleOral health of 12-year-old Dai children in Yunnan, China
Authors
KeywordsCaries
Children
Epidemiology and Periodontal disease
Issue Date2013
PublisherSage Publications, Inc. The Journal's web site is located at http://www.sagepub.com/journalsProdDesc.nav?prodId=Journal201925
Citation
The 2nd Meeting of the International Association of Dental Research - Asia Pacific Region (IADR-APR), Bangkok, Thailand, 21-23 August 2013. In Journal of Dental Research, 2013, v. 92 n. Special Issue B: abstract no. 4 How to Cite?
AbstractObjectives: To describe the dental caries status and periodontal status of 12-year-old Dai ethnic group children in Yunnan, China; and to study the factors affecting their oral health status. Methods: An oral health survey was conducted in 2011-2012 with ethics approval. A sample of 12-year-old Dai children living in Yunnan, China was selected using a multi-stage and stratified sampling method. One trained dentist performed clinical examination of the children in their school using dental mirror attached to an intra-oral LED light and ball-ended CPI probe. Dental caries was recorded using the DMFT and PUFA indices; and periodontal status with CPI index. A self-completed questionnaire was used to collect information on the background and oral health-related behaviors of the children. Multifactor-ANCOVA was used to investigate the relationship between dental caries experience, and the studied variables. Results: A total of 875 children were invited and 823 (94%) joined the survey. There were 399 boys and 424 girls, and 45% of them had caries experience. The mean DMFT score was 0.9 (SD=1.5). The majority (83%) of the decayed teeth was left untreated and 20% of the children had odontogenic infection (PUFA>0). The mean PUFA score was 0.2 (SD=0.6). Only 7% of the children had healthy gums (highest CPI score = 0) and nearly half (45%) had calculus (highest CPI score = 2). Caries experience was higher in the girls and those who had toothache in the previous year. Conclusions: Dental caries was common among the 12-year-old Dai children in China. Although their caries experience as measured by the DMFT index was not high, most of the decayed teeth were untreated and many of the decayed teeth had odontogenic infection. The caries experience was associated with gender and incidence of toothache. The prevalence of gingival inflammation and calculus was high.
DescriptionConference Theme: We are the Future
Oral Presentation
Session 1: O1
Persistent Identifierhttp://hdl.handle.net/10722/192571
ISSN
2015 Impact Factor: 4.602
2015 SCImago Journal Rankings: 1.714

 

DC FieldValueLanguage
dc.contributor.authorZhang, Sen_US
dc.contributor.authorChu, CHen_US
dc.contributor.authorLo, ECMen_US
dc.contributor.authorLiu, Jen_US
dc.date.accessioned2013-11-18T05:06:45Z-
dc.date.available2013-11-18T05:06:45Z-
dc.date.issued2013en_US
dc.identifier.citationThe 2nd Meeting of the International Association of Dental Research - Asia Pacific Region (IADR-APR), Bangkok, Thailand, 21-23 August 2013. In Journal of Dental Research, 2013, v. 92 n. Special Issue B: abstract no. 4en_US
dc.identifier.issn0022-0345-
dc.identifier.urihttp://hdl.handle.net/10722/192571-
dc.descriptionConference Theme: We are the Future-
dc.descriptionOral Presentation-
dc.descriptionSession 1: O1-
dc.description.abstractObjectives: To describe the dental caries status and periodontal status of 12-year-old Dai ethnic group children in Yunnan, China; and to study the factors affecting their oral health status. Methods: An oral health survey was conducted in 2011-2012 with ethics approval. A sample of 12-year-old Dai children living in Yunnan, China was selected using a multi-stage and stratified sampling method. One trained dentist performed clinical examination of the children in their school using dental mirror attached to an intra-oral LED light and ball-ended CPI probe. Dental caries was recorded using the DMFT and PUFA indices; and periodontal status with CPI index. A self-completed questionnaire was used to collect information on the background and oral health-related behaviors of the children. Multifactor-ANCOVA was used to investigate the relationship between dental caries experience, and the studied variables. Results: A total of 875 children were invited and 823 (94%) joined the survey. There were 399 boys and 424 girls, and 45% of them had caries experience. The mean DMFT score was 0.9 (SD=1.5). The majority (83%) of the decayed teeth was left untreated and 20% of the children had odontogenic infection (PUFA>0). The mean PUFA score was 0.2 (SD=0.6). Only 7% of the children had healthy gums (highest CPI score = 0) and nearly half (45%) had calculus (highest CPI score = 2). Caries experience was higher in the girls and those who had toothache in the previous year. Conclusions: Dental caries was common among the 12-year-old Dai children in China. Although their caries experience as measured by the DMFT index was not high, most of the decayed teeth were untreated and many of the decayed teeth had odontogenic infection. The caries experience was associated with gender and incidence of toothache. The prevalence of gingival inflammation and calculus was high.-
dc.languageengen_US
dc.publisherSage Publications, Inc. The Journal's web site is located at http://www.sagepub.com/journalsProdDesc.nav?prodId=Journal201925-
dc.relation.ispartofJournal of Dental Researchen_US
dc.rightsJournal of Dental Research. Copyright © Sage Publications, Inc.-
dc.subjectCaries-
dc.subjectChildren-
dc.subjectEpidemiology and Periodontal disease-
dc.titleOral health of 12-year-old Dai children in Yunnan, Chinaen_US
dc.typeConference_Paperen_US
dc.identifier.emailChu, CH: chchu@hku.hken_US
dc.identifier.emailLo, ECM: hrdplcm@hkucc.hku.hken_US
dc.identifier.authorityChu, CH=rp00022en_US
dc.identifier.authorityLo, ECM=rp00015en_US
dc.identifier.hkuros226801en_US
dc.identifier.hkuros226760-
dc.identifier.volume92en_US
dc.identifier.issueSpecial Issue B: abstract no. 4en_US
dc.publisher.placeUnited States-

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