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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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