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.
In other words, the public opinion is that immigration is an important U.S. problem. Public opinion is a useful tool in politics and is often used when referring to political issues. It can be used to talk about a fiscal issue, like the budget deficit, or a social issue, like welfare benefits.