title: Radiopacity of posterior composites.
authors.forename: O E
authors.initials: OE
authors.lastname: Omer
authors.forename: N H
authors.initials: NH
authors.lastname: Wilson
authors.forename: D C
authors.initials: DC
authors.lastname: Watts
mesh_terms: D015502:Absorptiometry, Photon; D003188:Composite Resins; D003287:Contrast Media; D011861:Radiography, Dental
chemical_list: D003188:Composite Resins; D003287:Contrast Media