I had to smile when I read Dr. Gordon Christensens June JADA article, "Is Occlusion Becoming More Confusing?" He writes that centric occlusion is "[t]he most interdigitated tooth relationship of the maxilla and mandible."
When I made a similar statement during my very first case presentation as a dental student, Dr. Richard Valachovic, who was then on the faculty of the Harvard School of Dental Medicine and who is now executive director of the American Dental Education Association, corrected me and said that the correct term is "intercuspation," not "interdigitation."
I never made that mistake again, but at least I know now that I was in good company.