I was sedated when I was 16. I needed a filing and I'd never had one before and my friends and family told me horrible stories about having filings so I had to be sedated.
I don't remember much lol. I had to take a tablet about an hour before going to the dentist. I remember going into the dentist and having a mask put on my face and I felt a needle in my hand. Then I woke up in a bed in a different room. I don't remember the car journey home.
I'd definately recommend it, although I've since had teeth out without sedation for a brace. I think if I ever needed another filing I'd asked to be sedated again, stories about the drill still scare me.