Thank you for sharing your story, & it will be helpful for others to read about your post-op experience, plus also how you find the doctors, it’s always helpful to get positive feedback on them also. There’s lots of info all about what to expect (although a bit less about intra-oral, I think) you can search for, plus ideas of what to get ready if you’ve not already looked:
Hope that your surgery goes well, & let us know when you get a date, so we can pray for you.