Costen’s Syndrome

The connection that the ENO specialist Costen described in 1934 between a sagging bite and pain in the chewing muscles of the jaw eventually found its way into the textbooks as Costen’s Syndrome. Sometimes, the term Costen’s Syndrome is still used today as a synonym for CMD. But the connection he described was based on unsystematic observations and false conclusions, so this term is actually out of date and should no longer be used today.