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.
9 Biggest Illegal Immigration Pros and Cons. The controversial issue of illegal immigrants in the United States has divided Americans for decades, and the problem is only becoming more and more prevalent. There are currently well over 10 million people in America who are living here undocumented, or illegal.