Hypomaturation Amelogenesis Imperfecta, also known as amelogenesis imperfecta type 2, is related to amelogenesis imperfecta, type iv and amelogenesis imperfecta, hypomaturation type, iia2. An important gene associated with Hypomaturation Amelogenesis Imperfecta is AMELX (Amelogenin X-Linked). Related phenotypes are growth/size/body region and craniofacial