The main sign of<unk>  is when a child has not developed any of their permanent teeth by the age of 12. Another sign of<unk>  can include the absence of baby teeth when the baby has reached 12 to 13 months. Symptoms that are associated with<unk>  include: alopecia, lack of sweat glands, cleft lip or palate, and missing fingernails. Typically, these symptoms are seen because<unk>  is typically associated with ectodermal dysplasia. In the rare case that ectodermal dysplasia is not present,<unk>  will be caused from an unknown genetic mutation.
Anodontia
Hypodontia
Maxillary hypoplasia
Hemifacial microsomia
Micrognathism
Macrodontia 
Oxycephaly
Iniencephaly