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Type: Journal article
Title: A retrospective longitudinal study of caries development in an Australian aboriginal birth cohort
Author: Jamieson, L.
Armfield, J.
Roberts-Thomson, K.
Sayers, S.
Citation: Caries Research, 2010; 44(4):415-420
Publisher: Karger
Issue Date: 2010
ISSN: 0008-6568
Statement of
L.M. Jamieson, J.M. Armfield, K.F. Roberts-Thomson, S.M. Sayers
Abstract: There are a limited number of longitudinal investigations that examine the progression of dental disease in an indigenous population. Dental examinations of a cohort of indigenous Australians born in Darwin (Australia) between 1987 and 1990 were conducted at ages 6-8 and 11-13 years as part of the Child Dental Health Survey, and 18-20 years as part of the longstanding prospective Aboriginal Birth Cohort (ABC) study. Data was available at all ages for 145 participants. The percent DMFT >0 increased from 17.2 to 44.1 to 81.4%, representing a linear trajectory, whereas mean DMFT increased from 0.3 to 1.0 to 5.6, representing an exponential trajectory. Both trends were significant. At age 18-20 years, the percent DMFT >0 among ABC study participants was 1.2 times that of their counterparts at a national level. The differences were more marked when dental caries severity was considered, with mean DMFT among 18- to 20-year-old ABC study participants being 1.7 times that of similarly aged adults at a national level. Most of this disparity was constituted by the decayed component, with ABC study participants having eight times the mean DT of their national-level counterparts. The findings indicate that Aboriginal young adults in this birth cohort experience a disproportionate amount of dental disease relative to their non-indigenous counterparts, and that this pattern is consistent across the life course.
Keywords: Aboriginal Australians; Birth cohort; Caries experience
Rights: Copyright © 2010 S. Karger AG, Basel
RMID: 0020100745
DOI: 10.1159/000316665
Appears in Collections:Dentistry publications

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