HUMAN NUTRITION

Detailed explanation-1: -Fluoride prevents tooth decay by making the enamel more resistant to the action of acids. They and accelerate the buildup of healthy minerals in the enamel, further slowing the occurrence of decay. Studies even show that in some cases, fluoride can stop already started teeth decay.

Detailed explanation-2: -Fluoride can also help with the growing problem of sensitive teeth. Diets high in acidic foods and beverages, general gum recession, and increased use of whitening products all tend to produce sensitive teeth. Fluoride treatments re-mineralize tooth enamel and reduce that sensitivity.

Detailed explanation-3: -Intake of excess amounts of fluoride during tooth development cause enamel fluorosis, a developmental disturbance that makes enamel more porous.