FGF3 and deafness with labyrinthine aplasia, microtia, and microdontia: Moreover, the dental and auricular phenotypes from LADD syndrome patients are very similar with those in LAMM syndrome, while another autosomal dominant oto-dental syndrome (MIM 166750) recently reported in association with heterozygous microdeletions affecting FGF3 [37] shows significantly different dental phenotypes.