I was recently sent a link to a preview of an occlusion and bite force course put together by Dr. Spear. He makes good use of one of the BiteFX animations to explain when the TMJ disc can and cannot be loaded. If you'd like to see it, it's at:
http://www.speareducation.com/digital-learning/view/id/92/category/37
Let us know if you'd like to enhance your occlusal teaching with BiteFX.