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Controlled fluoridation benefits after 14 years of implementation
Clinical Preventive Dentistry
|November 1, 1989
Summary
Community water fluoridation significantly improved dental health in Lincoln, Nebraska students. Post-fluoridation, decayed, missing, and filled teeth (DMFT) and surfaces (DMFS) in permanent teeth dropped by over 50%.
Area of Science:
- Dental Public Health
- Epidemiology
- Preventive Dentistry
Background:
- Dental caries remains a significant public health concern.
- Community water fluoridation is a widely adopted preventive strategy.
- Assessing the long-term impact of water fluoridation on dental health is crucial.
Purpose of the Study:
- To evaluate the impact of community water fluoridation on dental health outcomes in school children.
- To compare dental caries prevalence before and after water fluoridation in Lincoln, Nebraska.
Main Methods:
- Two identical dental examinations were conducted, comparing pre-fluoridation (1964) and post-fluoridation (1984) data.
- Clinical and radiological examinations were performed on public elementary and high school students.
- Epidemiological tables and demographic data were analyzed from 398 dental records (1964) and 249 student subjects (1984).
Main Results:
- Pre-fluoridation (1964), students had an average of 5.51 DMFT and 10.27 DMFS for permanent teeth.
- Post-fluoridation (1984), students showed a significant reduction with an average of 2.51 DMFT and 3.76 DMFS for permanent teeth.
- The study tabulated results for primary teeth, permanent teeth, and total dentition.
Conclusions:
- Community water fluoridation at an ideal level led to a substantial decrease in dental caries among students.
- Water fluoridation is an effective public health intervention for improving dental health in a community.
- The findings support the continued use and implementation of water fluoridation programs.