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Friday, October 23, 2009

Acid On Our Teeth

Show children how acid weakens the enamel of your teeth. Place a hard-boiled egg into a bowl of vinegar for 24 hours. Observe how the shell becomes soft as it decalcifies. The same principle applies to our teeth if the acid is not removed by brushing.
This was VERY effective way to help my kids find motivation to brush their teeth more consistently and thoroughly.

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