For years. Missed much of high school due to them. After high school she found that Botox was her game changer. Lives a normal life now. Every few months she goes in for injections and seems to do really well.
But beware, my daughter tried it for TMJ and the treatment temporarily paralyzes the muscles so she had a funny little crooked smile, like Drew Barrymore, for about four months. It was just a one time deal for her.