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Table 2 Costs and savings of fluoridation by plant size (20-year horizon)

From: The costs and benefits of water fluoridation in NZ

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

  1. aA negative value indicates a net saving