SLC39A13 and Hypodontia: Namely, Ehlers–Danlos syndrome spondylodysplastic type 3 (EDSSPD3, OMIM 612350)4–7 is caused by homozygous mutations in SLC39A13/ZIP13 gene and is characterized by severe connective tissue impairments, such as short stature, skeletal dysplasia, spine deformity, fragile skin, and hypodontia.