Thread: Wisdom teeth surgery.. can't have water at all before surgery?? Wisdom teeth surgery.. can't have water at all before surgery?? I'm getting all four wisdom teeth taken out on Wednesday at 3:40pm. I'll be going to work that day, the oral surgeon told me I couldn't eat or drink anything 8 hours before the surgery. The nurse said that since I'm waking up early for work, I could have something light for breakfast like toast and a bit of juice.