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Costs and savings of fluoridation by plant size (20-year horizon)
| Plant size | Population used for estimate | Fluoridation cost | Dental care cost | Net costa |
|---|---|---|---|---|
| Neighbourhood | 50 | $212,000 | $19,000 | $193,000 |
| Small | 250 | $228,000 | $94,000 | $134,000 |
| Minor | 2500 | $348,000 | $939,000 | -$591,000 |
| Medium | 7500 | $397,000 | $2,818,000 | -$2,421,000 |
| Large | 50,000 | $900,000 | $18,785,000 | -$17,885,000 |
aA negative value indicates a net saving
