If im not mistaken about like three orr four
yea its four cuz its hard to exaplin lol
<span>Fluoride is the element that is added to city water supplies and toothpastes to prevent tooth decay. According to research, fluoride helps to prevent tooth decay as it can reduce cavities by 24% and by boosting the production of saliva. Saliva helps to protect the tooth enamel by providing high levels of calcium and phosphate ions to the surface of the tooth.</span>
The rinsing of mouth is to remove food particles and minimize mucous
