What prevents the destruction of tooth enamel?
protection treatment Flouride the cervix keratin estrogen Soda Nitrogen
A B C D E F G H
Tooth decay is a destruction of the tooth enamel.
Flouride prevents the destruction of tooth enamel. 
What prevents the destruction of tooth enamel? (A) protection (B) treatment (C) Flouride (D) the cervix (E) keratin (F) estrogen (G) Soda (H) Nitrogen