One of the main reasons people grind or clench their teeth at night or during the day is because they are tense, anxious, or frustrated. That doesn’t mean you have to be any of these things to experience bruxism, however. There are many different factors that go into why a person might be clenching or grinding their teeth, but the result is almost always some degree of discomfort. Frequent and severe cases of bruxism can aggravate the joints in your lower jaw, wear down your tooth enamel, cause headaches, and even cause earaches.vouchncode.com