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Fluoride Toolbox

What do you need to keep in mind when talking about fluoride?


Low levels of fluoride added to water have been proven safe and effective

  • The recommended level, 0.7-1.0 parts-per-million, is the equivalent of putting one teaspoon into an entire bathtub of water! To ingest toxic levels of fluoride you would need to drink several thousand glasses of water at once.

Fluoride occurs naturally in many water supplies

  • Topping the levels up so it benefits community oral health is safe and cost effective.

Fluoridation reduces decayed, missing or filled teeth

  • By between 58,000 and 267,000 in New Zealand each year. A recent New Zealand survey shows that non-fluoridated areas experienced 60% more tooth decay than those in fluoridated areas.

Each damaged tooth costs at least $130 to treat

  • That's the cost of a single filling. If you compare this to the miniscule cost of 50c per person per year to fluoridate the water supply it is very clear that the benefits far outweigh the costs.

Fluoride is a critical part of keeping your teeth healthy

  • That's along with brushing, flossing, a healthy lifestyle and dental care. Fluoride improves the oral health of all people, whether you brush your teeth or not.

Fluoride products used in New Zealand are required to meet quality and safety standards

  • The Standard for the Supply of Fluoride for Use in Water Treatment published by the New Zealand Water & Wastes Association outlines these standards

The fluoride derived from fluorosilicates is exactly the same 

  • It's the same as the fluoride which is present in calcium fluoride, sodium fluoride when these substances dissolve in water.

Looking for more information? Try these sites -


Te Ao Marama


National Fluoridation Information Service


Ministry of Health


Health Effects of Water Fluoridation - A review of the scientific evidence