A rare congenital malformation syndrome characterized by cleft soft palate, severe oligodontia of the deciduous teeth, absence of the permanent dentition, bilateral conductive deafness due to fixation of the footplate of the stapes, short halluces with a wide space between the first and second toes, and fusion of carpal and tarsal bones. There have been no further descriptions in the literature since 1971.

Any tooth agenesis in which the cause of the disease is a mutation in the PAX9 gene.