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.
Illegal immigration. Illegal immigration is the illegal entry of a person or a group of persons across a country's border, in a way that violates the immigration laws of the destination country, with the intention to remain in the country. Illegal immigration, as well as immigration in general, is overwhelmingly upward, from a poorer to a richer country.