The use of fluorides has been demonstrated to be one of the most successful measures in public health history. Fluoride has been recognized as the central component in strategies to prevent dental caries, a disease that has major health, economic, and social effects on communities world wide .Fluoride is being used widely on a global scale. There are some undesirable side effects, however, that can accompany the desirable outcome of reduced caries in the community. It is involved in chronic and acute fluorosis. Chronic side effects are found in mineralized tissues, leading to dental or...

Dental caries is the most common chronic human disease. Globally, WHO reports caries prevalence in school-age children at 60-90%. 2/3rd of the total caries experienced in children are on the occlusal surface in pit fissures; inspite of the fact that only 12.5% of the surfaces are occlusal. The best positive way to treat ailment is the - Prevention of diseases. The systemic and topical fluoride protects the teeth from decay, but relative effect of fluoride is least for pit and fissure. The preventive function of a pit and fissure sealant is achieved by the adherence of the material to the acid...