Periodontal disease is disease which occurs in the gums around the teeth. Left untreated, disease of this area can lead to pain and tooth loss among other problems. One way to treat periodontal disease is through laser treatment of the gums. The narrated animation shows how concentrated light energy (lasers) can be used to treat these diseases.

This narrated animation describes the function of the major structures of the eye, namely the pupil, iris, lens, cornea, and retina.