However, it was until 2007 that Tekin et al. (2007) discovered homozygous mutations in the fibroblast growth factor 3 (FGF3) gene could lead to labyrinthine aplasia, microtia, and microdontia (LAMM) syndrome (labyrinthine aplasia, microtia, and microdontia—OMIM 610706). This evidence concerns the gene FGF3 and Microdontia.