Dental The design for a maxillary cast RPD frame work with a double bar (anteriorly and posteriorly) type of major connector is indicated when: A Maximum palatal support is required B High vault type of palate C Acrylic plate for palate is to be used D Where a single palatal bar connector would flex 💡 Explanation The design for a maxillary cast RPD frame work with a double bar (anteriorly and posteriorly) type of major connector is indicated when: ✓ Correct Answer: D. Where a single palatal bar connector would flex