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Anomalies of Initiation and Proliferation in Dentition

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Anomalies of Initiation and Proliferation in Dentition

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Questions and Answers

What is the prevalence of hypodontia in the primary dentition?

10%

Less than 1% (correct)

20%

Which gene mutations may be identified in cases of hypodontia?

MSXI, YXIA, NXA2

PAX9, ZYX1, AYZ4

AXIN2, PAX9, MSXI (correct)

ZYX1, AYZ4, MSXI

What is the approximate frequency of hypodontia in mandibular 2nd premolars in males?

2.2%

1.5%

0.85%

3.4% (correct)

Which syndrome presents with prominent lips, partial anodontia, and microdontia?

Williams syndrome Signup and view all the answers

What dental anomaly is usually observed in individuals with non-syndromic cleft lip/palate?

Hypodontia Signup and view all the answers

What is the characteristic of dens invaginatus?

Evagination of enamel epithelium Signup and view all the answers

What is the prevalence of microdontia?

0.8%-8.4% Signup and view all the answers

What is the characteristic of gemination?

Abortive attempt by single tooth to divide Signup and view all the answers

Which syndrome is associated with macrodontia?

Crouzon syndrome Signup and view all the answers

What is the characteristic of taurodontism?

Enlargement of the pulp chamber Signup and view all the answers