The cost effectiveness of fluoridating water supplies in new zealand

the cost effectiveness of fluoridating water supplies in new zealand-70

This report investigates whether, in the light of these recent changes, it is still cost-effective to fluoridate presently non-fluoridated water supplies or to replace existing fluoridation plant.

Over the last couple of decades there has been a very substantial reduction in rates of tooth decay, and the difference in caries rates between fluoridated and non-fluoridated areas has narrowed.

The net cost of fluoridation was based on the cost of water supply fluoridation (a positive cost) and the averted costs from prevented tooth decay (savings from treatment avoided - a negative cost).

Since the economics of fluoridation will vary primarily according to the population size of a community, results of the analysis were presented for a range of population sizes.

30 APPENDIX 3: VARIATION IN THE BENEFITS OF FLUORIDATION WITH SOCIO- ECONOMIC STATUS 31 3 Executive Summary Fluoridation of water supplies began in New Zealand in In 1999, 57% of the population was served by fluoridated water supplies.

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