Yesterday I went to the dentist. I had my silver fillings (five of them) removed and replaced with the white ones. That meant my whole entire face was numb. Upper and lower. My tongue was numb and kept wanting to escape my mouth that was quivering because I was trying to keep it closed whilst my lower lip wanted to drag on the floor.
Here's a video on going to the dentist that sums up my experience from the drilling all the way to covering the front of my shirt in water that poured from my uncooperative lips: