title: Change: the Forerunner of Progress.
authors.forename: Howard M
authors.initials: HM
authors.lastname: Landesman
mesh_terms: D003188:Composite Resins / Q000191:economics* / Q000600:supply & distribution*; D003815:Dentists / Q000193:education
chemical_list: D003188:Composite Resins; C110710:prosthodont