Oral manifestations are maxillary hypoplasia, maxillary dental crowding, ogival palatus, and relative mandibular prognathism.
[moh-it.pure.elsevier.com]
[…] craniosynostosis syndrome, characterized by cloverleaf skull, hypertelorism, exophthalmos, external strabismus, parrot-beaked nose, short upper lip, hypoplastic maxilla, and mandibular
[ncbi.nlm.nih.gov]