that is such good advice from Curious there Vicky that all I can add is a

and prayers it will all go smoothly as possible
in addition to building immune system prior to the surgery, I would also suggest magnesium supplement (that new Natural Calm drinkable mag powder is getting rave reviews re tic reduction) and of course the Epsom Salts baths are a real help too
I dont know what it is like for Scott, but dental stuff is always a tic trigger for my son. Magnesium always helps him when in major waxing mode
having my own toothy pain at present so he has my sincere sympathy!