Fissure sealant: 1st permanent molars usually erupt around 6 years old. The occlusal table of these teeth usually have very deep retentive fissures which usually facilitate tooth caries because they are not cleansable by toothbrush. In this preventive treatment of dentistry the fissures of covered by tooth color filling material and by this way the depth of fissures are decreased to the extent that make tooth brushing more efficient on occlusal surfaces, but you should remember that follow-up visit to check fissure sealants of these teeth is very important every 6 month.
