title: Two-year clinical study of composite resins in posterior teeth.
authors.forename: H O
authors.initials: HO
authors.lastname: Heymann
authors.forename: A D
authors.initials: AD
authors.lastname: Wilder
authors.forename: K N
authors.initials: KN
authors.lastname: May
authors.forename: K F
authors.initials: KF
authors.lastname: Leinfelder
mesh_terms: D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003188:Composite Resins; D003793:Dental Restoration, Permanent; D006801:Humans; D008137:Longitudinal Studies; D010316:Particle Size; D011108:Polymers; D013499:Surface Properties
chemical_list: D003188:Composite Resins; D011108:Polymers