Ty gmcraft. We do flush the peg each time before and after meals. It seemed to be a little clogged but I looked it up on YouTube and found out that we can flush it with warm water. So that's under control.
He's supposed to go for dental work on Wednesday. I don't know if they will finish removing all of his teeth or just the really bad ones. I wish I had checked to find out if he should do the swallowing test before or after the dental work because now I believe we're going to have to wait until after whether that's best or not.