title: Retention and effectiveness of dental sealant after 15 years.
abstract: This landmark study of a pit and fissure sealant found 27.6 percent complete retention and 35.4 percent partial retention on permanent first molars. In the matched pair analysis, carious or restored surfaces made up 31.3 percent of the surfaces in the sealed group and 82.8 percent in the unsealed group.
authors.affiliation: 3M Company, Dental Products Division, St. Paul, MN 55144-1000.
authors.forename: R J
authors.initials: RJ
authors.lastname: Simonsen
mesh_terms: D000180:Acrylic Resins; D000293:Adolescent; D017438:Bisphenol A-Glycidyl Methacrylate; D016009:Chi-Square Distribution; D002648:Child; D002675:Child, Preschool; D003731:Dental Caries / Q000453:epidemiology / Q000517:prevention & control* / Q000628:therapy; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D016555:Matched-Pair Analysis; D008963:Molar; D016017:Odds Ratio; D010895:Pit and Fissure Sealants; D013499:Surface Properties; D014481:United States / Q000453:epidemiology
chemical_list: D000180:Acrylic Resins; D010895:Pit and Fissure Sealants; D017438:Bisphenol A-Glycidyl Methacrylate