isolated congenital syngnathia
Isolated congenital syngnathia is a very rare developmental defect during embryogenesis characterized by varying degrees of congenital fusion (ranging from simple mucosal adhesions to extensive bony fusion) of mandible to maxilla that is not associated with any other malformations. Patients present with mouth opening limitation (which could range from severe to minimal restriction) that typically results in feeding, swallowing and/or respiratory difficulties which may lead to failure to thive, malnutrition and/or temporomandibular joint ankylosis.
MONDO:0015501
obsolete syndrome or malformation associated with head and neck malformations (obsolete MONDO:0015501)
excluded_subClassOf
MONDO:0021147
disorder of development or morphogenesis
is_a
MONDO:0024623
otorhinolaryngologic disease
is_a
isolated congenital maxillomandibular fusion
exact