Ortho Exam 1

Question 1

Trace cephs are traced with what?

Not what?

Answer 1

Pencil

permanent marker

Question 2

2 geometric measurements used in cephalometrics

Answer 2

Linear

Angular

Question 3

Cephalometrics can be used in prosthetics

Answer 3

True

Question 4

How often do you need to do cephs to track growth?

Answer 4

every year

Question 5

To get a better tracing you need part of the soft tissue blocked out so you can see it better

Answer 5

True

Question 6

Digital films used in cephalometrics?

Answer 6

True

Question 7

Who first introduced cephalometric analysis that was useful in diagnosis and research in ortho?

What year?

Answer 7

Dr. Downs

1948

Question 8

Growth occurs in what 2 ways?

Answer 8

Sutural

Appositional

Question 9

The Steiner analysis is the best cephalometric analysis

Answer 9

False

*all pretty good

Question 10

What is the most effective way to determine factors of growth?

Answer 10

Serial cephalometric images layered

Question 11

What films are a good way to detect impacted teeth?

Answer 11

Lateral Head Films

Question 12

Headfilm tracings can be used by multiple operators

Answer 12

True

Question 13

Headfilms traced by different operators will be identical in angular and linear measurements

Answer 13

False

Question 14

What is needed to correctly trace head films?

Answer 14

Tooth template

Question 15

Cephalometric headfilms can be used in 3D

Answer 15

True

Question 16

How many colors are used when tracing images so you can track progress/movement in cephalometrics?

Answer 16

3

Question 17

You have to have the patient bite in _____ occlusion for _____ films

Answer 17

Centric

Head

Question 18

Lateral head films only measure what 2 things?

Answer 18

Horizontal

Vertical

Question 19

There is no use for taking frontal head films for cephalometric purposes

What is the standard of care?

Answer 19

True

CBCT/ICAD

Question 20

Don’t take what films for cephalometric purposes?

Instead use the standard of care…

Answer 20

Frontal head films

CBCT/ICAD

Question 21

Who first introduced cephalomentrics to orthodontics in 1915?

Answer 21

Loon

Question 22

The distance from X-ray film head and the film itself is a set distance

Answer 22

True

Question 23

The key ridge is over the

Answer 23

MB cusp of Mx 1M

Question 24

Greek root of cephalometrics

Answer 24

Skull

*to measure skull

Question 25

3D ICAD can measure the skull in 3D

Answer 25

True

Question 26

Qualitative measurements cannot be made in a lateral head film Lateral head films good for what? Lateral head films measure what?

Answer 26

True Impacted teeth Horizontal/Vertical only

Question 27

Growth can be predicted with one film

Answer 27

False

Question 28

The furthest away from a sensor is ___% magnification projected the biggest

Answer 28

9.7%

Question 29

The best way to determine vectors is ceph drawings 1 year apart

Answer 29

True

Question 30

Serially placing ceph drawings on each other is the best way to determine vectors of growth (1 year apart)

Answer 30

True

Question 31

Cephalometric head films can be digitized

Answer 31

True

Question 32

The info you get from the head film is good for a lot of people

Answer 32

True

Question 33

Digital head films can be sent electronically

Answer 33

True

Question 34

a year is a reasonable time between head films and growth patterns/good time to retake films

Answer 34

True

Question 35

3 drugs that trigger hyperplastic gingival response

Answer 35

Phenytoin Ca channel blockers Immunosuppressives

Question 36

2 drugs that inhibit orthodontic movement

Answer 36

Bisphosphonates Prostaglandin-inhibitors

Question 37

2 allergies important in Ortho

Answer 37

Nickel Latex

Question 38

Radoiograph including TMJ Radiograph w/ skeletal/dental relationships Radiography revealing asymmetries

Answer 38

Pano Lateral cephalometric Posterior cephalometric

Question 39

3 main planes of the 3D-3T diagnosis and treatment objectives worksheet

Answer 39

Transverse Saggital Vertical

Question 40

Teeth in centric relation and the lips relaxed

Answer 40

Natural head posture | patient exam

Question 41

3 categories for Orthodontic database

Answer 41

Extraoral Intraoral Skeletal

Question 42

4 aspects of Transverse soft tissue diagnosis:

Answer 42

Buccal corridors Facial fifths Facial type (dolicho, meso, brachy) Midline symmetry

Question 43

7 aspects of the Saggital soft tissue Dx:

Answer 43

Profile (convex/straight/concave) Nasolabial angle Lips Bimaxillary Protrusive profile (lip thickness) Mentolabial angle Maxilla Mandible

Question 44

9 aspects of Vertical soft tissue Dx:

Answer 44

Lip competent/incompetent Lip incompetence + Mentalis strain Facial thirds Lower face height (short/brachyfacial, normal/mesofacial, long/dolichofacial) Smile arc Upper incisor exposure Length upper incisor crowns Incisor display Gingival display

Question 45

The mean value for upper incisor exposure in females: in males:

Answer 45

4. 7mm | 3. 9mm

Question 46

5 Transverse aspects of Skeletal Dx:

Answer 46

Posterior Crossbite PA ceph Arches (constricted/wide) Arch forms (ovoid/v/square) 3-3, 6-6 widths

Question 47

Saggital aspects of Skeletal Dx:

Answer 47

Cephalometrics

Question 48

Vertical aspects of Skeletal Dx:

Answer 48

Occlusal canting Mandibular divergency Face height Vertical Maxilla

Question 49

Dental Dx, Transverse:

Answer 49

Functional shift Lateral variations Midlines

Question 50

Dental Dx, Saggital:

Answer 50

Class I Class II, div1 Class II, div2 Labially positioned incisors, classII, div2 Class III Overjet Ant crossbite

Question 51

Dental Dx, Vertical:

Answer 51

Occlusal cant Curve of Spee Overbite Lateral open bite

Question 52

ALD

Answer 52

Arch length discrepencay | crowding/spacing

Question 53

Arch length - Width of teeth =

Answer 53

(-) Crowding (+) Spacing

Question 54

The Bolton discrepancy is a _____ ratio discrepancy Not a _____ discrepancy

Answer 54

tooth size arch length

Question 55

2 most common causes of Bolton Discrepancy

Answer 55

Peg laterals Missing teeth