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ABO Written Exam > 2013-2017 Pt. 2 > Flashcards

2013-2017 Pt. 2 Flashcards

1
Q

What feature has the best stability

A

Curve of spee

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2
Q

T/F, Effective dose does not use tissue weighting factor

A

False! It does use tissue weighting factor of equivalent doses

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3
Q

What does the international association of radiology use when reporting radiation doses?

A

Effective dose

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4
Q

What does not increase when orthodontic treatment causes periodontal problem in patients with active periodontal disease?

A

Osteoblast

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5
Q

When does the mandible fuse?

A

6-9 months

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6
Q

In canine substitution, you don’t have to adjust what?

A

distal marginal ridge

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7
Q

What aspect makes it it hard to get a canine into class I

A

axial inclination of maxillary canine

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8
Q

What is the most common error in collecting data from cephs

A

Identification of landmark

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9
Q

What is the best way to prevent white spots according to the literature

A

low concentration of fluoride

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10
Q

What statistical analysis is used when you have 3 variables and you want to predict something

A

Regression

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11
Q

WHat causes the change of Austenitic to Martensitic?

A

thermal induced

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12
Q

How do you measure maximum opening?

A

Measure from incisal edge to incisal edge + overbite

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13
Q

Expansion in adult causes

A

Maxillary canine gingival recession

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14
Q

What is a benefit of TADs

A

Reduces the use of extraoral anchorage

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15
Q

What is the importance or role of Meckel’s cartilage

A

Intramembranous ossification of mandible lateral to Meckel’s cartilage

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16
Q

Muscle of mastication is innervated by what?

A

V3

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17
Q

Motor nerve comes from

A

V3

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18
Q

What nerve innervates muscles of facial expression

A

VII

Not V3

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19
Q

CRE doesn’t evaluate what measurement?

A

Overbite

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20
Q

What does WITS use for it’s measurement

A

Functional Occlusal plane

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21
Q

What is not found in hyalinized tissue?

A

Fibroblast?
or
Cementoblast?

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22
Q

What does happen in hyalinized tissue?

A

Undifferentiated mesenchyme changes to osteoclast and cementoclast

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23
Q

Who determines standard of care?

A

Court

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24
Q

Class III patient and you extract L4’s, what shouldn’t you be concerned about?

A

Supraeruption of U7’s

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25
Q

Where does resorption occur on maxilla?

A

Superior and anterior

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26
Q

What muscle protrudes the tongue?

A

Genioglossus

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27
Q

SARPE limitation

A

Coronoid process

28
Q

Things to know about Twin Block

A
  1. Dentoalveolar and skeletal changes

2. Acrylic on incisal edges helps with less proclination of lower incisors

29
Q

T/F, the orbicularis oris is not involved in smiling

A

True

30
Q

What percentage of the Central incisor should be left as space for a lateral incisor

A

75%

31
Q

The mucosa of the tongue is formed by which branchial arch?

A

1 and 3

32
Q

When does the tongue form?

A

at 4 weeks

33
Q

What nerve innervates the tongue and provides general sensory afferent signals

A

Anterior 2/3 - Lingual nerve of V3

Posterior 1/3 - Glossopharyngeal nerve (IX)

34
Q

What nerve provides special sensory - taste to the tongue?

A

Anterior 2/3 - Chorda Tympani of VII (Facial)

Posterior 1/3 - Glossopharyn)geal Nerve (IX)

35
Q

What nerve provides motor function to the tongue

A

XII (Hypoglossal)

36
Q

Which nerve ends at 1/3 of anterior tongue?

A

Lingual nerve

37
Q

Which cyst is associated with a congenitally missing tooth but arises from dental lamina?

A

OKC/Primordial cyst

38
Q

What percentage of Class II patients have improvement after Phase I treatment

A

75%

39
Q

What is the dental movement when the force of a HPHG is above the COR?

A

distal root tip

40
Q

For tip on the crown of a tooth, where is the COR?

A

1/3 from the apex

41
Q

T/F, Measuring papilla levels to bone is predictable. It should be 5 mm from contact to alveolar crest of bone

A

True

True

42
Q

T/F, There is an inversely proportional distance between contact and bone. In other words, the greater the distance, the smaller the chance of papilla

A

True

43
Q

If you do apexification on an immature tooth, it is more prone for what compared to a normal mature tooth?

A

Fracture

44
Q

What is the ideal concentration for fluoride mouth wash?

A

0.05%

45
Q

What biological markers are not associated with peridodontal and fibroblast breakdown

A

Neocytokines

46
Q

What things are related to succesful TAD placement

A

Direction of force
Amount of force
Cortical bone thickness

47
Q

What two things increase primary stability of a TAD

A

Thickness of cortical bone

Width or diameter of the TAD

48
Q

Which is not acceptable record to evaluate an ortho patient with perio problems?

A

PSR

Periodontal Screening and Recording

49
Q

WHen is somatic growth the greatest?

A

From conception to birth

50
Q

In the functional matrix growth theory, what causes translation?

A

Capsular matrix

51
Q

Which does not normally occur in the skull?

A

Synostosis

52
Q

Where is secondary cartilage found?

A

Condyle

53
Q

What is important in the START of the development of puberty (sexual characteristics?)

A

Hypothalamus

54
Q

Lip bumper has what effects primarily?

A

Resolve incisor crowding

55
Q

How does the nasal floor form?

A

Palatine process of maxilla and the horizontal plate of the palatine bone

56
Q

What percentage of open bites correct when found in early mixed dentition?

A

80%

57
Q

Stability of open bites treated surgically?

A

82%

75% when treated nonsurgically

58
Q

If tetracycline staining is used after implant placement to see what kind of bone is at the interface, what would you see?

A

At 3 months later, you would see lamellar with high turn over.
However, if there is answer choice RIGID IN BONE, it’s this

59
Q

Which muscle is the agonist of the masseter

A

Medial pterygoid (works with masseter to create a powerful sling as elevator)

60
Q

T/F, Wormian bones are found in cleidocranial dysplasia?

A

T

61
Q

A patient has multiple ulcers, lymphadenopathy, and a fever? what does she have

A

Primary herpetic stomatitis

62
Q

Fibers that control the stability of tooth movement?

A

supracrestal

63
Q

What part of the brainstem does the trigeminal nerve come from?

A

lateral aspect of the Pons

64
Q

Orbit remodeling is most affected by what bone?

A

Lacrimal

65
Q

In Crouzon’s, what is not true?

a. Hypertelorism
b. Craniosysostosis
c. Midface deficiency
d. Most sutural closure at 7-8 years
e. surgery needed at a young age

A

D. most sutural closure at 7-8 years is not true

ABO Written Exam (24 decks)

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