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Nance-Horan syndrome
Nance-Horan syndrome (NHS) is an X-linked disorder characterized by congenital cataracts, dental anomalies, dysmorphic features, and, in some cases, mental retardation (summary by Burdon et al., 2003). [from OMIM]
Supernumerary maxillary incisor
The presence of a supernumerary, i.e., extra, maxillary incisor, either the primary maxillary incisor or the permanent maxillary incisor. [from HPO]
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