Malocclusion

Question 1

Disto-occlusion AKA?

Answer 1

Class II

Question 2

Class II division 1? (2)

Answer 2

• proclined maxillary anterior teeth (diastemas)

- increased overjet

Question 3

Class II division 2? (2)

Answer 3

• STRAIGHT/RETROCLINED maxillary anterior teeth
• decreased overjet
• increased/deep overbite

Question 4

Class II division 1 spee curve?

Answer 4

increased

Question 5

Class II division 1 upper arch?

Answer 5

compressed

Question 6

Class II division 1 upper arch shape?

Answer 6

V

Question 7

Class II division 1 lower incisors?

Answer 7

normal/retroclined

Question 8

Class II division 2 Central and lateral incisors?

Answer 8

• central: retroclined

- lateral: PROCLINED

Question 9

Class II division 2 overjet?

Answer 9

decreased

Question 10

Class II division 2 overbite?

Answer 10

deep

Question 11

Class II division 2 upper arch shape?

Answer 11

U

Question 12

Class II division 2 lower arch? (2)

Answer 12

normal or retroclined loweer incisors

Question 13

Mesio-occlusion?

Answer 13

class III

Question 14

Disadvantages of angles classification? (3)

Answer 14

• Just takes into account the position of the 1st permanent molar
• Only sagittal plane
• Doesn’t consider etiology

Question 15

Lischer: Arch malposition is associated with which reference plane?

Answer 15

Mid-saggital or anteroposterior

Question 16

Lischer: Skeletal (max/mand) malocclusion is associated with which reference plane?

Answer 16

occlusal/horizontal plane

Question 17

Lischer: Tooth malposition is associated with which reference plane?

Answer 17

arch shape

Question 18

Supraversion?

Answer 18

Overeruption past plane of occlusion

Question 19

Infraversion?

Answer 19

not erupted to occlusal plane

Question 20

Dewey’s class I type 1? (2)

Answer 20

• crowded anterior upper teeth

- canines buccal or palatal

Question 21

Dewey’s class I type 2? (2)

Answer 21

• protrusive max. incisors

- increased overjet

Question 22

Dewey’s class I type 3?

Answer 22

anterior cross bite

Question 23

Dewey’s class I type 4?

Answer 23

posterior cross bite

Question 24

Dewey’s class I type 5?

Answer 24

1st molars mesially drifted

etiology: early loss of primary teeth

Question 25

Dewey's class III type 1?

Answer 25

edge to edge incisors

Question 26

Dewey's class III type 2?

Answer 26

lower anterior teeth crowded OR linguoversioned

Question 27

Dewey's class III type 3? (2)

Answer 27

- Crowded upper teeth | - anterior cross bite

Question 28

Primary tissue involved in development of skeletal maloclusion?

Answer 28

Maxilla / Mandible

Question 29

Primary tissue involved in development of muscular malocclusion?

Answer 29

mucular origin

Question 30

Primary tissue involved in development of dental maloclusion?

Answer 30

dental origin