I had all four removed when I was 19. Lucky for me I got knocked out completely, no complications, though I hated looking like the Godfather my cheeks puffed up so much. The painkillers were great! I basically chilled on the couch for a week with a pack of veggies on each side of my face just staring off into space. I recall my brother sitting beside me one day high off his own face and he comes over to where I'm laying and does this jelly fish hand motion thing right in front of my face. Probably took me about 3-4 seconds to respond with a simple "Unfair. Fuhck ohff," I had to wash out the back of my mouth where they had stitched me up with this funny looking syringe thing too which I had to fill with warm salty water. Just so I didn't get an infection or any food or anything stuck there I think is what they told me.