title: In vivo comparison of a composite resin and its radiopaque counterpart.
mesh_terms: D003116:Color; D003188:Composite Resins; D003287:Contrast Media; D003737:Dental Cavity Preparation; D005069:Evaluation Studies as Topic; D006801:Humans; D013499:Surface Properties
chemical_list: D003188:Composite Resins; D003287:Contrast Media