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Toothpaste containing hydroxyapatite is available over the counter because it was previously approved for use in preventing cavities. “That is why we did the test, and it worked,” Amaechi said.

A study was launched recently to determine if mimetic or synthetic hydroxyapatite would remineralize tooth enamel in patients suffering specifically from molar incisor hypomineralization, or MIH.

It can both inhibit the demineralization of teeth, a key step towards a cavity, and contribute to remineralization, which reinforces damaged tooth surfaces.

Toothpaste containing hydroxyapatite is available over the counter because it was previously approved for use in preventing cavities. "That is why we did the test, and it worked," Amaechi continued.