Which of the following is NOT typically seen in ectodermal dysplasia?

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Multiple Choice

Which of the following is NOT typically seen in ectodermal dysplasia?

Ectodermal dysplasia involves underdevelopment of structures derived from the ectoderm, such as teeth, hair, sweating glands, and salivary glands. The dental pattern most associated with this condition is hypodontia (or even anodontia) with teeth often being peg- or conical-shaped. Hair tends to be sparse (hypotrichosis). The salivary glands can be underdeveloped or hypoactive, leading to reduced salivary flow. Extra teeth are not a feature of this syndrome; hyperdontia would go against the typical ED pattern. So the item that does not fit the usual ED presentation is the presence of extra teeth.

Ectodermal dysplasia involves underdevelopment of structures derived from the ectoderm, such as teeth, hair, sweating glands, and salivary glands. The dental pattern most associated with this condition is hypodontia (or even anodontia) with teeth often being peg- or conical-shaped. Hair tends to be sparse (hypotrichosis). The salivary glands can be underdeveloped or hypoactive, leading to reduced salivary flow. Extra teeth are not a feature of this syndrome; hyperdontia would go against the typical ED pattern. So the item that does not fit the usual ED presentation is the presence of extra teeth.

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