LPT: if you get lockjaw, hyperextend your mouth I get lockjaw often, especially when I brush my teeth in the morning, and I looked up how to deal with it and all results show to go to the hospital. Before you make your way to the hospital, try this first. I discovered that opening your mouth/jaw as wide as possible for 30 seconds to 2 minutes gets rid of it. After an amount of time, you feel …