Restorative Treatment of Amelogenesis Imperfecta with Prefabricated Composite Veneers

Table 1

Witkop classification of amelogenesis imperfecta 1989 [7].

Type	I	Hypoplastic
	IA	Hypoplastic, pitted autosomal dominant
	IB	Hypoplastic, local autosomal dominant
	IC	Hypoplastic, local autosomal recessive
	ID	Hypoplastic, smooth autosomal dominant
	IE	Hypoplastic, smooth X-linked dominant
	IF	Hypoplastic, rough autosomal dominant
	IG	Enamel agenesis, autosomal recessive
Type	II	Hypomaturation
	IIA	Hypomaturation, pigmented autosomal recessive
	IIB	Hypomaturation, X-linked recessive
	IIC	Snow-capped teeth, X-linked
	IID	Snow-capped teeth, autosomal dominant
Type	III	Hypocalcified
	IIIA	Autosomal dominant
	IIIB	Autosomal recessive
Type	IV	Hypomaturation-hypoplastic with taurodontism
	IVA	Hypomaturation-hypoplastic with taurodontism, autosomal dominant
	IVB	Hypoplastic-hypomaturation with taurodontism, autosomal recessive