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Results of a promising open trial to prevent baby bottle tooth decay: a fluoride varnish study
P Weinstein1, P Domoto, M Koday
1Dental Public Health Sciences, University of Washington, Seattle.
Insights
Fluoride varnish application in WIC programs significantly reduced tooth decalcification in young children. While decay increased, the overall rate remained lower than expected for this population.
Area of Science:
- Pediatric Dentistry
- Public Health Interventions
- Dental Caries Prevention
Background:
- Dental caries and decalcification are prevalent issues in young children, particularly in underserved populations.
- WIC (Women, Infants, and Children) programs provide a valuable platform for delivering health interventions to at-risk families.
- Early childhood caries prevention strategies are crucial for long-term oral health.
Purpose of the Study:
- To evaluate the effectiveness of a single fluoride varnish application on maxillary incisors in farm worker children.
- To assess changes in decalcification and decay rates at a six-month follow-up.
- To compare decay rates with established data for the same demographic.
Main Methods:
- A cohort of 133 farm worker children (average age 17 months) enrolled in WIC programs received fluoride varnish.
- Baseline interviews and dental examinations were conducted prior to varnish application.
- A six-month recall examined 62 children to assess changes in tooth condition.
Main Results:
- Decalcification decreased significantly from 35% at baseline to 21% at six months.
- Dental decay increased from 3% to 16% over the six-month period.
- The observed decay rate (16%) was lower than the 30% benchmark for this population and age group.
Conclusions:
- A single fluoride varnish application demonstrated a positive impact by reducing decalcification in young children.
- While decay incidence rose, the overall caries rate remained below expected levels, suggesting a protective effect.
- Further research and expanded fluoride varnish interventions within WIC programs are recommended.
Abstract:
One hundred thirty-three farm worker children with an average age of 17 months participated in a study of a fluoride varnish in WIC programs in the Yakima Valley of Central Washington. After parents were interviewed, the child was examined and a fluoride varnish applied to the maxillary incisors. At the six-month recall 62 children and their parents returned. Results indicated a significant decrease in decalcification from 35 percent to 21 percent and an increase in decay from 3 percent to 16 percent. The rate of decay was lower than the 30 percent found in this age-group in this population. Of 130 sound teeth at baseline, 13 percent were decayed or decalcified in six months; of 73 decalcified teeth at baseline, 51 percent were found to be sound in six months. Additional experimentation with fluoride varnish is warranted.

