Board Thread:The Reference Desk/@comment-5934473-20121231212934/@comment-188432-20121231213651

That was a Russell T Davies innovation, but it was prefigured by the bit in The Christmas Invasion where Ten healed his newly-regenerated hand. So he had in fact "healed himself regeneratively" before.

No previous Doctors had used regenerative energy in that way before, but Romana's controlled and highly optional regeneration in Destiny of the Daleks certainly suggests the possibility.