Dx and Tx Planning

Question 1

Three planes by which we analyze teeth.

Answer 1

Sagittal
Vertical
Transverse

Question 2

Relationship of the upper and lower teeth in the sagittal dimension.

Answer 2

Class I, II, or III

Question 3

Relationship of the upper and lower teeth in the vertical dimension.

Answer 3

Open or deep bite

Question 4

Relationship of the upper and lower teeth in the Transverse dimension.

Answer 4

Buccal or lingual crossbite

Question 5

ANB value of skeletal Class I

Answer 5

2 degrees

Question 6

ANB > 2 is what skeletal class?

Answer 6

II

Question 7

ANB < 2 is what skeletal class?

Answer 7

III

Question 8

Line from columella to chin

Answer 8

S line

Question 9

Line from tip of the nose to chin

Answer 9

E line

Question 10

Distance between upper and lower lips to the S line

Answer 10

0 mm

Question 11

Distance between upper lip to E line

Answer 11

-4 mm

Question 12

Distance between lower lip and E-line

Answer 12

-2 mm

Question 13

Sum total of the the mesio-distal width mesial to the permanent second molars.

Answer 13

Required Space

Question 14

Available Space

Answer 14

Straight line approximation of the arch that you get by adding up all the 2-tooth segments.

Question 15

When is extraction contraindicated in skeletal Class I, dentoalveolar I?

Answer 15

When upper and lower teeth are retrusive.

Question 16

Tx for skeletal Class II, Dentoalveolar class II in growing patients.

Answer 16

Orthopedic appliances.

Question 17

Tx for skeletal Class II, Dentoalveolar class II in non-growing patients.

Answer 17

Orthognathic surgery

Question 18

Tx in which you’re aligning the jaws by growth guidance in growing patients.

Answer 18

Orthopedic tx

Question 19

Tx in which you’re aligning the jaws in non-growing (adult) patients.

Answer 19

Orthognathic tx

Question 20

Boys or girls have an earlier growth spirt?

Answer 20

Girls

Question 21

Head Gear is worn for what class of patients?

Answer 21

Class II

Question 22

Head gear cervical pull is for what?

Answer 22

Deep bite

Question 23

Head gear high pull is for what?

Answer 23

Open bite

Question 24

What time of the day is Growth Hormone released in growing kids?

Answer 24

During sleep

Question 25

How much pressure does head gear put on?

Answer 25

16 oz

Question 26

How long do you have to wear head gear?

Answer 26

12-14 hrs/day

Question 27

Used in orthopedic tx of growing Class II patients with protrusive maxilla

Answer 27

Head gear

Question 28

Fixed functional appliance that advanced the lower jaw.

Answer 28

Herbst appliance

Question 29

Used in orthopedic tx of Class II growing patients with a retrusive mandible.

Answer 29

Herbst appliance

Question 30

Used in Class III skeletal to pull the maxilla forward and reduce the growth of the mandible.

Answer 30

Face mask

Question 31

Face mask uses what bone as anchorage?

Answer 31

Frontal bone

Question 32

Face mask is AKA what?

Answer 32

Reverse head gear

Question 33

Upper and Lower teeth both flare out (protrusive), or they both flare in (retrusive).

Answer 33

Skeletal Class I, Dentoalveolar I

Question 34

If upper and lower teeth both flare out, what tx is indicated?

Answer 34

Extraction of premolars.

Question 35

If upper and lower teeth both flare in (retrusive), what is contraindicated?

Answer 35

Extraction

Question 36

If upper and lower teeth both flare in (retrusive), what is indicated?

Answer 36

Expansion

Question 37

If upper and lower teeth both flare in, what is CONTRAindicated?

Answer 37

Extraction

Question 38

Two types of skeletal class II, dentoalveolar Class II.

Answer 38

1) Mandibular teeth and mandible are retrusive. | 2) Maxillary teeth are protrusive and mandibular teeth are retrusive.

Question 39

How to fix skeletal class II, dentoalveolar Class II where the maxillary teeth are protrusive?

Answer 39

Extraction or distalization of maxillary teeth.

Question 40

How to fix skeletal class II, dentoalveolar Class II where the mandibular teeth are retrusive?

Answer 40

1) Orthognathic surgery if non-growing to bring the mandible forward. 2) Orthopedic tx if growing.