Dental Space regaining is indicated in all of the following except A One or more permanent teeth have been lost B Some space in the arch has been lost due to mesial drift of 1st permanent molar C Mixed dentition analysis shows that once the lost space is gained back, there will not be any arch length-tooth material discrepancy D 1st molars are in end to end relation due to Class II skeletal base and prognathic maxilla 💡 Explanation Space regaining is indicated in all of the following except ✓ Correct Answer: D. 1st molars are in end to end relation due to Class II skeletal base and prognathic maxilla