title: In vitro color changes of posterior composites.
authors.forename: J M
authors.initials: JM
authors.lastname: Powers
authors.forename: E R
authors.initials: ER
authors.lastname: Bakus
authors.forename: A J
authors.initials: AJ
authors.lastname: Goldberg
mesh_terms: D003116:Color; D003188:Composite Resins; D003793:Dental Restoration, Permanent; D006801:Humans; D008963:Molar; D013053:Spectrophotometry / Q000706:statistics & numerical data; D013997:Time Factors
chemical_list: D003188:Composite Resins