Dental Anomalies: Imaging

Question 1

Answer 1

supernumerary tooth (mesiodens)

Question 2

Answer 2

supernumerary tooth (distodens)

Question 3

Answer 3

multiple supernumerary teeth

(when multiple supernumerary teeth present, most commonly found in mandibular premolar region)

Question 4

Answer 4

multiple supernumerary teeth

Question 5

Answer 5

supernumerary tooth (mesiodens)

Question 6

Answer 6

supernumerary tooth (mesiodens)

Question 7

Answer 7

supernumerary teeth

Question 8

Answer 8

supernumerary teeth

Question 9

Answer 9

supernumerary tooth (distodens)

Question 10

Top differential diagnoses for multiple supernumerary teeth:

Answer 10

1. cleidocranial dysplasia
2. gardner syndrome

Question 11

• absent or hypoplastic clavicles
• high palate or cleft palate
• open cranial sutures
• hyperplastic paranasal sinuses
• mandibular prognathism
• multiple unerupted supernumerary teeth

Answer 11

Cleidocranial dysplasia

Question 12

What do the arrows indicate? What disease is this associated with?

Answer 12

1. mandibular prognathism
2. open cranial sutures

• Cleidocranial Dysplasia

Question 13

What do the arrows indicate? What disease is this associated with?

Answer 13

1. open cranial sutures
2. hypoplastic paranasal sinuses

• Cleidocranial dysplasia

Question 14

What do the arrows indicate? What disease is this associated with?

Answer 14

1. hypoplastic clavicles

• cleidocranial dysplasia

Question 15

What is seen in the image? What disease is this associated with?

Answer 15

multiple supernumerary teeth; cleidocranial dysplasia or Gardner syndrome

Question 16

• Osteomas
• Epidermoid cysts of skin
• Multiple supernumerary teeth
• Colorectal polyps with malignant potential

Answer 16

Gardner syndrome

Question 17

What do the arrows indicate? What disease is this associated with?

Answer 17

1. osteomas

• Gardner Syndrome

Question 18

What do the arrows indicate? What disease is this associated with? What treatment is indicated?

Answer 18

1. multiple supernumerary teeth
2. Cleidocranial or Gardner syndrome
3. conservative management/monitoring or removal of supernumerary teeth to reduce likelihood of complications

Question 19

What are some complications that supernumerary teeth may cause if left alone?

Answer 19

1. resorprtion of adjacent teeth
2. crowding & malocclusion
3. periodontal problems
4. development of pathology (such as dentigerous cyst)

Question 20

Count the supernumerary teeth in the following image:

Answer 20

5

Question 21

Answer 21

supernumerary teeth

Question 22

Answer 22

supernumerary tooth

Question 23

count the supernumerary teeth:

Answer 23

6

Question 24

Answer 24

multiple supernumerary teeth