title: Effect of acid etching on marginal penetration of composite resin restorations.
mesh_terms: D000814:Aniline Compounds; D004396:Coloring Agents; D003188:Composite Resins / Q000592:standards*; D003793:Dental Restoration, Permanent / Q000592:standards*; D006801:Humans; D010756:Phosphoric Acids; D013499:Surface Properties
chemical_list: D000814:Aniline Compounds; D004396:Coloring Agents; D003188:Composite Resins; D010756:Phosphoric Acids