Delayed eruption of at least part of the dentition is a recognized feature of all of the following EXCEPT:

 # Delayed eruption of at least part of the dentition is  a recognized feature of all of the following EXCEPT:

A. Rickets

B. Congenital hyperthyroidism

C. Cleidocranial dysplasia

D. Cherubism

The correct answer is B. Congenital hyperthyroidism.

DELAYED ERUPTION is seen in conditions like:

# Systemic conditons

• Rickets

• Down syndrome

• Hypopituitarism

• Cleidocranial dysplasia

• Achondroplasia

• Cretinism (Congenital Hypothyroidism)

• Fibromatosis gingiva

• Cherubism

# Local conditions

• Fibromatosis gingivae

• Premature exfoliation of primary teeth

• Thickened gingiva

In hyperthyroidism, premature shedding of deciduous teeth and accelerated eruption of permanent teeth is seen.

Reference: Dental Pulse, 9th Edition Volume2 Page No. 604

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