Amelogenesis imperfecta (AI) has been defined as a group of hereditary enamel defects. It can be characterized by enamel hypoplasia, hypomaturation, or hypocalcification of the teeth.
AI may be associated with some other dental and skeletal developmental defects. Restoration for patients with this condition should be oriented toward the functional and esthetic rehabilitation.
This clinical report describes the oral rehabilitation of a young patient diagnosed with the hypoplastic type of AI in posterior teeth and hypomatured type of AI in anterior teeth.
Introduction : Amelogenesis imperfecta (AI) is a diverse group of hereditary disorders that primarily affect the quantity, structure, and composition of enamel. The inheritance pattern of AI may be autosomal dominant, autosomal recessive, or X-linked.
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According to the Witkop classification system, there are four main forms of AI: type I hypoplastic enamel, type II hypomatured enamel, type III hypocalcified enamel, and type IV hypomatured-hypoplastic enamel with taurodontism.
Clinical presentation of AI varies considerably among the different AI types. In the hypomature type, the affected teeth exhibit mottled, opaque white-brown or yellow discolored enamel, which is softer than normal.
° Niloufar Khodaeian / Mahmoud Sabouhi / Ebrahim Ataei