Question

which constiuent in tootpaste prevents tooth decay

Answer 1

Calcium Carbonate prvents tooth decay

Answer 2

Toothpaste is used to promote oral hygiene: it is an abrasive that aids in removing dental plaque and food from the teeth, assists in suppressing halitosis, and delivers active ingredients (most commonly fluoride) to help prevent tooth decay (dental caries) and gum disease (gingivitis).