MARK THOMAS / SCIENCE PHOTO LIBRARY MARK THOMAS / SCIENCE PHOTO LIBRARY
Orthodontic research. Collection of cast sets of teeth. These models were cast by Drs Michael Harkness and Barry Brown during research carried out in the 1970s and 1980s in South Wales. In the research, casts were made of the teeth of 200 12 year old girls in order to quantify the number of children needing orthodontic treatment.
Model release not required. Property release not required.