Corah N L, Gale E N, Illig S J
J Am Dent Assoc. 1978 Nov;97(5):816-9. doi: 10.14219/jada.archive.1978.0394.
A number of different sets of data concerning the Corah Dental Anxiety Scale were evaluated. The data indicate that the scale is a reliable, valid, and useful measure of dental anxiety. It can be successfully used in the dental office or in research projects.