to which she responded with, "I hope I'm a pretty duck!". "No- you're an UGLY duck....", said Jake. Fortunately the wonderful, totally un-ducky hygeniest had a great sense of humor and realized it was the laughing gas. Partly- the other part was just Jake being a stinker.
Do I blame him? He was getting a pulpectomy/root canal from a small HOLE in his tooth that our previous dentist failed to fix.