<prompt>  Theme: Tooth Preparation ProceduresA - Cingulum rest preparationB - Composite restorationsC - Full-coverage crownD - Guide plane preparationE - Partial-coverage cast restorationF - Tilting castFor each of the following descriptions, choose the most appropriate preparation or procedure from the list above. You may use each option once, more than once or not at all.1 Presence of deep hard tissue undercut associated with the anterior maxilla.2 Modification of an unfavourable survey line, prior to recording a master impression.3 Capacity to provide additional support and in certain circumstances indirect retention1F 2C 3B1A 2B 3F1A 2B 3C1F 2B 3A 