title: Elimination of marginal problems in acid etch restorations: a 3-year follow up.
mesh_terms: D000134:Acid Etching, Dental; D002648:Child; D003188:Composite Resins; D003793:Dental Restoration, Permanent / Q000379:methods*; D005260:Female; D006801:Humans; D007180:Incisor / Q000293:injuries; D014082:Tooth Fractures / Q000628:therapy*
chemical_list: D003188:Composite Resins