Otodental Dysplasia, also known as otodental syndrome, is related to sensorineural hearing loss and contractures, pterygia, and spondylocarpotarsal fusion syndrome 1a. An important gene associated with Otodental Dysplasia is OTDD (Otodental Dysplasia Chromosome Deletion Syndrome). Affiliated tissues include eye, and related phenotypes are carious teeth and progressive sensorineural hearing impairment