Introduction to Orthodontics

Question 1

What is orthodontics?

Answer 1

Diagnosis & treatment of misaligned jaws and teeth

Question 2

Orthodontics plays an important role in:

Answer 2

facial esthetics

Question 3

What are the two main goals of orthodontics?

Answer 3

1. form- esthetics
2. function

Question 4

List some components of the goal “form-esthetics” in orthodontics: (4)

Answer 4

1. smile design
2. facial harmony
3. symmetry
4. psychological well being

Question 5

List some components of the goal “function” in orthodontics: (4)

Answer 5

1. optimize occlusion
2. best possible masticatory function
3. breathing
4. speech

Question 6

Occlusal function enhancement:

1. establish:
2. establish:
3. establish or normalize:
4. correct:

Answer 6

1. establish harmonious occlusal relationship in the three planes of space
2. establish anterior coupling
3. establish or normalize the transverse dimension
4. correct anteroposterior and vertical discrepancies

Question 7

For occlusal function enhancement, a goal is to establish harmonious occlusal relationship in the:

Answer 7

three planes of space

Question 8

What type of coupling should be established in occlusal function enhancement?

Answer 8

anterior coupling

Question 9

What type of discrepancies are corrected through occlusal function enhancement?

Answer 9

antero-posterior and vertical discrepancies

Question 10

What is established or normalized through occlusal function enhancement?

Answer 10

transverse dimension

Question 11

Interdisciplinary care involves:

Answer 11

several specialties of dentistry

Question 12

Interdisciplinary care requires:

Answer 12

careful planning

Question 13

Interdisciplinary care starts with:

Answer 13

the end in mind

Question 14

The result of interdisciplinary care is dependent on:

Answer 14

The team proficiency and the patient motivation

Question 15

Dr. Angle’s definition of the correct occlusal and tooth position is based on the relationship of the ___ and _____ _____ in the ___ dimension

Answer 15

upper and lower first permanent molars; AP dimension

Question 16

The ____ cusp of the upper ____ is in occlusion with the _____ groove of the lower _____ and a full complement of teeth is present - Dr. Angle

Answer 16

mesiobuccal cusp; first permanent molar; buccal groove; first molar

Question 17

Dr. Angle’s Class I occlusion definition does not exclude:

Answer 17

malocclusion

Question 18

What are the most frequent malocclusions?

Answer 18

Class I malocclusion

Question 19

Class I malocclusions are present in:

Answer 19

70% of population

Question 20

Malocclusions are present in 3 dimensions of space including:

Answer 20

1. sagittal
2. transverse
3. vertical

Question 21

Describe a class II occlusal relationships:

Answer 21

The upper first permanent molar is positioned mesially in relation to the lower first permanent molar

Question 22

The upper first permanent molar is positioned mesially in relation to the lower first permanent molar

Answer 22

Class II malocclusion

Question 23

Describe a class III occlusal relation ship:

Answer 23

The upper first permanent molar is positioned distally in relation to the lower first permanent molar

Question 24

The upper first permanent molar is positioned distally in relation to the lower first permanent molar

Answer 24

Class III malocclusion

Question 25

What is the esthetic role of orthodontics in oral health?

Answer 25

Improve quality of life by improving facial appearance

Question 26

What is the functional role (occlusal level) of orthodontics in oral health?

Answer 26

QOL by improving function and mastication

Question 27

What is the functional role (sleep apnea) of orthodontics in oral health?

Answer 27

QOL improvement by improving breathing and sleep- multidisciplinary approach

Question 28

The functional role of orthodontics in oral health regarding temporo-mandibular care is:

Answer 28

applicable to small group of patients (10%)