Not only will they clean and polish your teeth, but check to be sure you are brushing correctly. Thin plastic coatings applied to the back teeth close the natural pits and grooves of healthy teeth. Sealants should be done when the first molars come in about age 6. Strengthen tooth enamel against the onslaught of acid. Enamel is made up of hard packed minerals.
Acid can demineralize the enamel leaving weak spots.
Left unchecked, the enamel can decay to cause a cavity. Fluoride and the minerals found in saliva rebuild the enamel to protect the tooth. Dental Education Websites by Linkup Solutions . All rights reserved.