School started and our first projects were to learn how to place a rubber dam and making 2 sets of stone casts.It took us till 7.30 in the evening and I was busted as my legs ached. Here is a picture of what I did..(not mine,but just an idea)
http://www.drtimayers.com/gallery/dentist-dam.jpg
(Did the above for the first time.It is done to isolate the tooth that we work on and protect the rest of the mouth/protect the patient from swallowing small instruments)
http://www.howtomakevampireteeth.com/overview-how-your-dentist-would-make-fangs
(the second link- we did all except that it was on models.Already did this in India)