Congenital bilateral zygomatico-mandibular fusion with mandibular hypoplasia.

We report a very rare case of congenital bilateral zygomatico-mandibular fusion with mandibular hypoplasia. Soon after birth, the patient underwent tracheotomy because of upper airway obstruction. At the age of one and a half years, reconstruction of the temporomandibular joint and lengthening of the ramus with a costochondral graft were performed. Only a few cases of congenital bony syngnathia revealed in this case have been described in the literature.