1) WR Grace products 2) Adhesives, often 3) Caulking materials 4) Caulks 5) Leak preventers 6) Outdoor applications 7) Radiator features 8) Some are used for dentures 9) Tar and oakum Found on https://www.crosswordclues.com/clue/sealants
Proper oral care greatly reduces the risk for dental problems—but it cannot eliminate it entirely. The chewing surfaces of the premolars and molars or back teeth remain hot spots for bacteria to gather. Because the pits and fissures of these teeth are hard to reach by toothbrush bristles bacteria can bunch up in these crevices and eventually... Found on http://www.dentalfind.com/info/sealants
Plastic resin placed on the biting surfaces of molars to prevent bacteria from attacking the enamel and causing caries. Found on https://www.encyclo.co.uk/local/21141