Amelogenesis Imperfecta, Type Ia, also known as amelogenesis imperfecta type 1a, is related to epidermolysis bullosa, junctional 4, intermediate and kindler syndrome. An important gene associated with Amelogenesis Imperfecta, Type Ia is LAMB3 (Laminin Subunit Beta 3), and among its related pathways/superpathways are Integrin Pathway and Phospholipase-C Pathway. Affiliated tissues include skin, and related phenotypes are amelogenesis imperfecta and enamel hypoplasia