I have Psoriatic arthritis in my jaw. It's not severe, but it does hurt a lot. Mostly, it comes when I'm stressed and I clench my teeth. Sometimes it's random though, so when I have to read out loud in class you can only imagine how it feels. I have a lot of sympathy for people with jaw problems.
What's odd about it, is that there is usually one form of relief that works better than any pain medicine or ice can do. Crying. And while I don't have to often, when I do cry when I have jaw pain, it helps the pain so much. I think the reason is that I stop clenching my teeth and thus stop tensing the muscle. But crying is a way of, not just expressing, but relieving pain and stress.
Maybe it's because I'm a girl, but I think it's okay for people to cry. There is too much in life to bottle up, and unhappiness and sad feelings shouldn't be surpressed. I think that when people have had enough and start to tear up, even in a public or professional setting, I have way more respect for them than people who stare.
Then again, you never know if they stare because they're jealous.