Saving Teeth

Saving Teeth

Janet Raloff, in Sci-Saving Teeth ence News (Apr. 19, 1986), 1719 N St. N.W.,
Washington, D.C. 10036.
Long known for their readiness to use the drill, dentists have discovered a less painful way to fight tooth decay and strengthen weak teeth: mouth- washes that "remineralize" decayed tooth enamel.
Normally, mineral-rich saliva from glands in the mouth protects teeth from acids secreted plaque-forming bacteria. But when the bacteria's acids dissolve tooth minerals faster than the body...

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