Dev. Dis. Of Hard Tissues 1

1 / 10

Which of the following is a congenital condition?

Runs in families due to shared lifestyle

Always of unknown cause

Acquired after birth due to trauma

Present at birth

2 / 10

A patient with the ability to approximate (bring together) their shoulders easily is likely suffering from:

Cleidocranial Dysostosis

Treacher Collins Syndrome

Crouzon Syndrome

Down Syndrome

3 / 10

Franceschetti syndrome is another name for:

Cleidocranial Dysostosis

Ectodermal Dysplasia

Crouzon Syndrome

Mandibulofacial Dysostosis

4 / 10

Which of the following is NOT a feature of Crouzon Syndrome?

Premature fusion of cranial sutures

Absence of clavicles

Beaked nose

Wide-set, bulging eyes

5 / 10

Which intraoral manifestation is commonly associated with Crouzon Syndrome?

Hypoplastic enamel

Supernumerary teeth

Early eruption of teeth

Cleft palate and bifid uvula

6 / 10

Supernumerary teeth and delayed eruption are typical features of:

Crouzon Syndrome

Hypohidrotic Ectodermal Dysplasia

Cleidocranial Dysostosis

Treacher Collins Syndrome

7 / 10

Wormian bones (extra small irregular skull bones) are typically found in:

Crouzon Syndrome

Mandibulofacial Dysostosis

Cleidocranial Dysostosis

Amelogenesis imperfecta

8 / 10

Which of the following is TRUE about Crouzon Syndrome?

It is caused by mutation in CBFA1 gene

It involves craniosynostosis leading to abnormal skull shape

It is always associated with mental retardation

It is non-genetic and idiopathic

9 / 10

Cleidocranial Dysostosis is caused by mutation in which gene?

RUNX2

FGFR2

CBFA1

P53

10 / 10

Developmental disturbances are best defined as:

Normal variations of growth

Pathological conditions only caused by trauma

Malformations or defects from disturbances of growth and development

Temporary changes in morphology

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