A dentist uses tubes of Lucite to direct light into a patient's mouth for examination.
Diagram of a map of the world points out New York - USA, London, Kent, Vienna - Austria, Wiltshire and Pennsylvania - USA as the locations of stories in this issue.
Titles read: "TWISTED LIGHT!"
New York, United States of America.
Various shots of a dentist and a dental nurse examining a girl in the chair. They both hold curved tubes of Lucite that direct light around corners and curves. C/U of the tubes in the girl's mouth as her teeth are checked out.