title: Fifty years of dental research at the National Bureau of Standards.
mesh_terms: D003460:Crystallization; D003754:Dental High-Speed Equipment; D003764:Dental Materials; D003778:Dentures; D006077:Government Agencies; D006882:Hydroxyapatites; D008956:Models, Chemical; D011861:Radiography, Dental / Q000295:instrumentation; D012106:Research; D013314:Stress, Mechanical; D014481:United States
chemical_list: D003764:Dental Materials; D006882:Hydroxyapatites