What are the causes of bruxism?

Answer:
While bruxism is typically associated with stress, it may also be triggered by abnormal occlusion (the way the upper and lower teeth fit together), or crooked or missing teeth.
First answer by Gale Ency. of Medicine. Last edit by Gale Ency. of Medicine. Contributor trust: 37 [recommend contributor recommended]. Question popularity: 1 [recommend question].