What is the source of the fluoride in a toothpaste or tooth powder?

Fill appropriate terms in the blanks.
(white cement, soap, detergent, wearing of bones, tooth decay, hard, soft, Portland, fatty acid)
The substance that helps water to remove dirt from the surface of materials is called _____.

Fill appropriate terms in the blanks. (white cement, soap, detergent, tooth decay, hard, soft, Portland, fatty acid)

Fluoride is used in toothpaste to prevent _____.

Fill appropriate term in the blank.

Soap is a salt of _____ and sodium hydroxide.

Fill appropriate term in the blank.

(white cement, soap, detergent, wearing of bones, tooth decay, hard, soft, Portland, fatty acid)

Synthetic detergents can be used in _____ water as well.