Fluoride application

Fluoride varnish is a dental treatment that can help prevent tooth decay, slow it down, or stop it from getting worse.

It slows down the development of decay. It makes the enamel more resistant to acid attack.

Fluoride varnish needs to be applied starting at the eruption of the first tooth, and continuing through 5 years of age.

Yes

Fluoride varnish needs to be applied at least twice a year for children.

Fluoride varnishes are generally considered safe and well accepted.

Dental fluorosis happens when you consume too much fluoride while your teeth are still  forming  inside  the  jaw  bone.  This results in white spots on the surface of teeth.

No

You need to wait for 4 to 6 hours to resume your normal oral activities after fluoride application.