The prevention of dental caries not only includes measures to prevent the occurrence of disease, such as risk factor reduction, but also to arrest the progress of disease and reduce the consequences of disease once it is established Creativity in this effort against fissure caries continues, with newer materials and technology tested each year. The traditional preventive methods, such as diet control and fluoride therapy effectively prevent dental caries on smooth tooth surfaces, but they have not been satisfactory methods to control caries in pit and fissures.