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Caring for Your Child's Teeth

Cavities and How To Prevent Them


*This webpage is for information purposes only. It is NOT a substitute for professional dental advice.*

How fluoride protects teeth

Fluoride helps prevent tooth decay.

Fluoride strengthens the outer layer of the tooth, making it harder for acid in the mouth to dissolve the tooth enamel and cause tooth decay.

Water Fluoridation Frequently Asked Questions

Fluoride sources

You’ll find fluoride in tap water, toothpaste, at dental offices, and in some brands of bottled water.

Water Fluoridation

Community water fluoridation adjusts the level of naturally-occurring fluoride to an optimal concentration to protect against tooth decay. The Region of Peel’s departments of Public Health and Public Works diligently monitor fluoride levels in the Lake-based municipal water supply to ensure the optimal concentration range is being maintained.  Based on the extensive and credible body of scientific research, the Region of Peel maintains that community water fluoridation is a safe and effective way to protect dental health.  

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Revised: March 24, 2020

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