Ok I had this problem yesterday.... I feel like i had a jaw lock... it feels like when i open my mouth really wide it F**KIN hurts, its not my jaw its like when i open my mouth wide it really hurts on my right side near my ear! I didn't get hurt or anything, i didn't inijure my jaw tho.. What the hell is going on? Dont wana go to doctors yet. SO plz can you guys tell me what is going on? I really apreciate it.