title: Clinical evaluation of the retention of preformed crowns using two dental cements.
mesh_terms: D002484:Cementation; D002648:Child; D002675:Child, Preschool; D003442:Crowns; D003738:Dental Cements; D003781:Denture Retention; D005500:Follow-Up Studies; D006801:Humans; D011076:Polycarboxylate Cement; D015036:Zinc Phosphate Cement
chemical_list: D003738:Dental Cements; D011076:Polycarboxylate Cement; D015036:Zinc Phosphate Cement