Final

Question 1

What is the percentage of Class II malocclusion in the general population?

Answer 1

30%

Question 2

Functional POSTERIOR crossbite due to MAXILLARY DEFICIENCY is readily apparent in:

Answer 2

Maximum interdigitation

Question 3

The main etiology of functional posterior crossbite:

Answer 3

Maxilla slightly narrower than mandible in the transverse plane

Question 4

What is the most common association with class III?

Answer 4

Anterior crossnbite

Question 5

What is the treatment for an 8 year old patient with class III moderate malocclusion with anterior crossbite?

Answer 5

Maxillary expansion and protraction face mask

Question 6

What percentage of patients with class III jaw relationship have maxillary deficiency?

Answer 6

65%

Question 7

T/F: Intermaxillary elastics are appropriate for use in severe skeletal class II or III malocclusion

Answer 7

False

Question 8

T/F: Invisalign can be done without orthodontic knowledge

Answer 8

False

Question 9

What is the percentage for a normal overbite?

Answer 9

20% +/-5

Question 10

Which movement does not require the use of attachments?

Answer 10

Intrusion

Question 11

How can you prevent relapse after correction of a deep bite?

Answer 11

Hawley retainer with anterior bite plate

Question 12

Which of the following are suitable treatment options for Class I Division 2?

-Lower pull headgear
-Intrusion of upper incisiors
-Lower molar eruption
-All of the above

Answer 12

All of the above

Question 13

Which of the following is true in regard to open bites?

-Present in a multitide of malocclusions
-Widely understood
-Heavily studied
-Not as common for relapse

Answer 13

-Present in a multitude of malocclusions

Question 14

Question about how much incisors are showing at rest in open bite?

Answer 14

Variable but usually increased

Question 15

What is the function of bite ramps in invisalign?

Answer 15

They function to level the curve of spee

Question 16

What is the most common SURGICAL procedure to treat skeletal class II deep bite?

Answer 16

Mandibular advancement

Question 17

Dentoalveolar movement of fixed functional appliances:

Answer 17

Proclination of lower incisors

Question 18

Dentoalveolar compensation of class III malocclusion:

Answer 18

Proclined upper incisors, retroclined lower incisors

Question 19

Slow extrusion results in:

Answer 19

uneven gingival margin

Question 20

Sequence of restoration before extrusion:

Answer 20

Posterior first before anterior

Question 21

T/F: You use implants to upright mesially tilted molars

Answer 21

True

Question 22

Anchorage teeth/bracketing is an example of:

Answer 22

Passive

Question 23

Rapid extrusion =

Answer 23

High force

Question 24

Treatment for 11yo with deep bite:

Answer 24

Functional appliance

Question 25

T/F: You should consider esthetics and occlusion of teeth BEFORE retention

Answer 25

True

Question 26

What dentoalveolar compensation is most common in open bite?

Answer 26

Over-eruption of upper molars

Question 27

How often should fiberotomies be dome in rapid extrusion?

Answer 27

2-3 weeks

Question 28

When to correct pseudo-anterio crossbite:

Answer 28

As soon as possible in mixed dentition

Question 29

What is done to the curve of spee in a deep bite?

Answer 29

Level of curve spee

Question 30

What is the function of a twin block?

Answer 30

Mandibular growth enhancement

Question 31

Class II division 1=

Answer 31

Increased overjet

Question 32

Class II division 2=

Answer 32

Retroclined upper central incisors

Question 33

Applying force only to the crown of a tooth will result in:

Answer 33

Tipping

Question 34

Transverse deficiencies can be:

Answer 34

present in any type of malocclusions

Question 35

Ideal age to treat:

Answer 35

8-10

Question 36

What is the most common etiology for class II malocclusion:

Answer 36

Retrognathic mandible

Question 37

How much of the population has a transverse discrepency?

Answer 37

30%