Definition of Pit and Fissure and Sealents: A material that is introduced into the occlusal pit and fissure of caries susceptible teeth, thus forming a micromechanically–bonded, protective layer cutting access of caries producing bacteria from their source of nutrients. History and Evolution of Pit and Fissure Sealents 1922– “PROPHYLACTIC ODONTOTOMY”-HYATT 1939– Gore – use of […]