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Antecedents and Associations of Root Surface Caries Experience among 38-Year-Olds.
MedLine Citation:
PMID:  23207669     Owner:  NLM     Status:  Publisher    
Objective: To determine whether coronal caries experience through to the 30s predicts root surface caries experience by age 38. Method: Prospective study of a complete birth cohort (n = 1,037) born in 1972/73 in Dunedin, New Zealand. Dental examinations were conducted at ages 5, 9, 15, 18, 26, 32 and 38. Root surface caries data were first collected at age 38. Data from ages 5 through 32 were used previously to identify low, medium and high life course trajectories of caries experience and plaque accumulation. Results: Of the 916 dentate individuals examined at age 38, 23.0% had 1+ root DFS, 17.2% had 1+ root DS and 11.4% had 1+ root FS. The mean root DS, FS and DFS were 0.6 (SD 3.5), 0.3 (SD 1.1) and 0.9 (SD 3.8), respectively. The mean Root Caries Index (RCI) score was 7.2% (SD 18.0). Age 38 coronal DMFS and root surface caries DFS were only weakly correlated (r = 0.32), but root surface caries experience was strongly associated with coronal caries trajectory, with the mean RCI in the low, medium and high caries trajectory groups being 4.4, 8.0 and 13.5%, respectively (p < 0.0001); their prevalence of 1+ root DFS was 14.5, 25.9 and 42.2% (p < 0.0001). Those in the high coronal caries trajectory were more likely to have 1+ root surface DFS (odds ratio = 3.83; 95% CI = 2.33-6.30); for the medium trajectory, the odds ratio was 1.86 (95% CI = 1.25-2.75). Conclusion: Lifelong coronal caries experience (represented by discrete longitudinal trajectories of caries experience) is indeed a risk factor for root surface caries experience by age 38.
W M Thomson; J M Broadbent; L A Foster Page; R Poulton
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-28
Journal Detail:
Title:  Caries research     Volume:  47     ISSN:  1421-976X     ISO Abbreviation:  Caries Res.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-12-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0103374     Medline TA:  Caries Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  128-134     Citation Subset:  -    
Copyright Information:
Copyright © 2012 S. Karger AG, Basel.
Sir John Walsh Research Institute, School of Dentistry, The University of Otago, Dunedin, New Zealand.
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