title: Dental study shows aspirin substitute more effective than narcotic.
mesh_terms: D000082:Acetaminophen / Q000627:therapeutic use*; D000293:Adolescent; D000328:Adult; D003061:Codeine / Q000627:therapeutic use; D006801:Humans; D010149:Postoperative Pain / Q000188:drug therapy*
chemical_list: D000082:Acetaminophen; D003061:Codeine