Final

Question 1

Class II: The upper MB cusp is ____ to the buccal groove of the mandibular 1st molar

Answer 1

mesial to

Question 2

T/F: Interceptive care is best started as soon as the first permanent tooth erupts

Answer 2

true

Question 3

T/F: Rotated anterior teeth take up less space than when aligned:

Answer 3

True

Question 4

T/F: Rotated posterior teeth take up less space than when aligned:

Answer 4

False

Question 5

Mesenchymal cells differentiate into:

Answer 5

• Osteoblasts
• Cementoclasts
• Fibroblasts

(ALL OF THE ABOVE)

Question 6

What is the function of principal fibers in the PDL?

Answer 6

• Absorb Heavy forces
• Attach tooth to alveolar bone

Question 7

Bone apposition occurs where?

Answer 7

Tension side

Question 8

Hyalization is defined as:

Answer 8

bone resoprtion is indirect or undermining

Question 9

T/F: The most prevalent etiologic factor for malocclusion is environmental

Answer 9

True or false??? IDK

Question 10

T/F: Angles classification is classified in the transverse plane

Answer 10

False

Question 11

Class II malocclusion :

Answer 11

mandibular retrognathism

Question 12

Highest prevalence of class II is in what population?

Answer 12

south asian

Question 13

Patient has a transverse posterior lingual cross bite, what is the most common reason for it?

Answer 13

underdeveloped maxilla

Question 14

What correlates to a deep bite?

Answer 14

all of the above

Question 15

What is the most common problem presented with a maxillary lateral incisor?

Answer 15

peg shaped

Question 16

What is ectodermal dysplasia presented with?

Answer 16

oligodontia and abnormally shaped teeth

Question 17

T/F: Early exfoliation of a primary molar causes an arch length discrepency

Answer 17

True

Question 18

What is the bolton ratio for anterior teeth:

Answer 18

77%

Question 19

T/F: For severe crowding the lateral incisor will contact the mesial aspect of the deciduous first molar

Answer 19

true

Question 20

T/F: You need radiographs for moyers

Answer 20

false

Question 21

Where are primate spaces located?

Answer 21

mesial to upper primary cuspid and distal to lower primary cuspid

Question 22

Class III occlusion may also be called:

Answer 22

mesioclusion

Question 23

Which of the following is not a pre-requisite for serial extraction?

Answer 23

Deep bite

Question 24

Which of the following is NOT a benefit of serial extraction?

Answer 24

Lingualization of the incisors

Question 25

T/F: The alveolar bone height effects the location of the center of resistance

Answer 25

true

Question 26

Force applied in the middle of the center of resistance results in:

Answer 26

pure translation

Question 27

The patient has reduced horizontal bone, if you apply a force on the crown what would occur?

Answer 27

more tipping

Question 28

Force coupling result in:

Answer 28

pure rotation

Question 29

T/F: Interdisciplinary care is different from multidisciplinary

Answer 29

true

Question 30

T/F: Generally, primary posterior teeth are larger than their successor

Answer 30

true

Question 31

T/F: The 6 keys to normal occlusion were studied on radiographs

Answer 31

false

Question 32

T/F: Orthodontics is primarily focused on esthetics

Answer 32

false

Question 33

T/F: Premolars are present in the early mixed dentition

Answer 33

false