After your swish oil, gargle with warm Sea Salt water. That will leave your mouth feeling very clean.
This is the most efficient, yet gentle and benign therapy you'd ever want to do. I think you might be very pleased. My huband started on this when he was taking heavy doses of Prozac, and it didn't seem to hurt at all, in fact he is now off the stuff.
Paxil is a pretty heavy drug. I was on it for awhile, but suffered from many side effects (and I never have side effects for anything).
Good luck and keep us posted. Remember, don't worry if you can't go the entire 20 minutes to begin....slow and steady is fine. We aren't in a big hurry.