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.
Today, American immigration policy is at the center of political and economic debates that center around some of the problems with U.S. immigration. One potential disadvantage to immigration to the United States is the cost it places on government agencies and taxpayers.