Question

1.The table below lists some of the common ingredients in toothpaste.
What is the name of the ingredient responsible for preventing decay?

Sodium sulfate
Sodium fluoride
Sodium fluorine
Nitrogen fluoride

Answer 1

Fluoride, a naturally occurring mineral, helps prevent cavities and can even reverse the earliest stages of tooth damage. Because of its benefits for teeth, fluoride is added to many public water supplies. It's also a common ingredient in toothpaste and mouth rinses