These sets of teeth can be paired up into tops and bottoms that fit together exactly.
Once assembled, the Morse code on the teeth can be read. Each string starts with a number. The teeth in the image above are sorted by that number. The Morse code reads 1G, 2N, 3A, 4W, 5E, 6R, 7S, and 8. In numerical order, the letters spell out the answer GNAWERS.