13. Really, try using eggshell toothpaste.
Cost: $0*
Purpose: Can help remineralize teeth
This tooth-strengthening tip, which may sound bizarre, involves creating toothpaste out of eggshells. However, many swear by it. Eggshells can be added to toothpaste by boiling and thoroughly cleaning them, then pulverizing them in a food processor or mortar and pestle.
(Really, really.) Try eggshell toothpaste. ©Shutterstock/Sissoupitch
Next, mix the powder with your toothpaste or toothbrush. Because eggshells are high in calcium, teeth can become stronger and remineralized. But don’t believe us when we say this. Eggshell toothpastes can help re-strengthen teeth and serve as a “cost-effective treatment” for dentin hypersensitivity, according to a study published in the European Journal of Dentistry.
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