Re: whatever happened to these characters?
We did see Dr. Pulaski pop up on Terok Nor during the Cardassian occupation in Double Helix: Vectors
, and according to Memory Beta, she's at Riker and Troi's wedding in A Time for War, A Time for Peace
That being said, I agree it would be nice to see her pop up again.
"Eccleston was a tiger and Tennant was, well, Tigger. Smith [is] an uncoordinated housecat who pretends that he meant to do that after falling off a piece of furniture." - Lynne M. Thomas
"I'm in Hell and it's full of Avons!" - Vila