I remember back when I started dental school in the dark ages, where the impression material we used looked like black tar, smelled like gasoline, and took eight minutes to set up. Wow, how far we have come. Today, we utilize a state-of-the-art digital scanner that utilizes a wand to take hundreds of pictures, per second, of your teeth and gums. Then models are your teeth are printed using a 3D printer. Truly amazing technologies. Now we have digital models of your teeth and your bite, just in case we ever need them. Yes, dogs and cats have been known to chew up a custom dental device now and then.