Cessation of water fluoridation doubles the smooth-surface caries rate

G. Maupomé, J. D. Shulman, D. C. Clark, S. M. Levy, J. Berkowitz

Research output: Contribution to journalArticle

Abstract

Subjects. A cohort of 5927 children in grades 2,3,8, and 9 living in British Columbia, Canada, were examined in 1993-1994. Approximately 50% of the children were re-examined in 1996-1997 when they were in grades 5, 6, 11, and 12. Exposure. In 1992, as a result of referenda, Comox/Courtenay/Campbell River stopped water fluoridation. Kamloops did not. Main Outcome Measure. Caries progression was defined as a change in surface status that could be interpreted as a worsening of caries status. More than 90 transitions in surface calls (eg, from filled to recurrent decay) qualified as caries progression. Main Results. After adjustment for age, fluoride regimen, and initial eruption status, smooth surfaces in fluoridation-ended communities had 142% increased odds for caries progression (odds ratio, 2.42; 95% confidence interval, 2.0-3.0). After adjustment for snacks, parental education, initial eruption status, and sealant use, pit-and-fissure surfaces in fluoridation-ended communities had 23% increased odds for caries progression (odds ratio, 1.23;95% confidence interval, 1.0-1.5).

Original languageEnglish (US)
Pages (from-to)91-92
Number of pages2
JournalJournal of Evidence-Based Dental Practice
Volume1
Issue number2
DOIs
StatePublished - Jan 1 2001

ASJC Scopus subject areas

  • Dentistry(all)

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