Malocclusion and bruxism are the most common causes of TMJ disorders. 1  Emotional stress is often the underlying cause of a TMJ disorder, as it can contribute to people either consciously or unconsciously tightening facial and jaw muscles and grinding or clenching their teeth.
1 Why is illegal immigration a controversial issue A) People think that the current laws on immigration address the issue well. B) There are far fewer illegal immigrants each year than naturalized citizens. 2  Why is illegal immigration a controversial issue A) People think that the current laws on immigration address the issue well.
Immigration always has been controversial in the United States. More than two centuries ago, Benjamin Franklin worried that too many German immigrants would swamp Americaâs predominantly British culture. In the mid-1800s, Irish immigrants were scorned as lazy drunks, not to mention Roman Catholics.