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ABO Written Exam > 2018 Questions pt. 2 > Flashcards

2018 Questions pt. 2 Flashcards

1
Q

In what syndrome does diminished Neural crest cell migration affect the maxilla and mandible

A

Treacher Collins

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2
Q

A question about Crouzons asking what is not true

A

The sutures fuse at 7-8 years

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3
Q

Fibrous Dysplasia is not associated with what?

A

Premalignancy. It is rare if the lesions become cancerous and it’s usually related to hx of previous radiation therapy

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4
Q

What diagnostic tool is used for Perforated disc

A

Arthography

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5
Q

What diagnostic tool is used for degenerative TMJ

A

MRI (Might be CT??)

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6
Q

Diagnostic tool for condylar hyperplasia

A

Tc99

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7
Q

Most radiation for TMD

A

Tc99 (Medical CT not a choice but would be answer)

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8
Q

T/F questions: Diagnose hyperdivergent patient early and early treatment is indicated

A

T on both statements

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9
Q

What is Neocytokine not involved in?

A
  • Does not increase during tooth movement
  • Not found in gingival turnover
  • Doesn’t affect gingival response and fibroblasts
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10
Q

What dentoalveolar affects do LLHA have?

A

Impaction of 2nd molars and maintains leeway space

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11
Q

How much folic acid decreases Cleft Lip/Palate? and by what percentage?

A

0.4mg folic acid

30% decrease

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12
Q

Early extraction of mandibular primary canine is acceptable in all situations except:

A

Correction of midline shift

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13
Q

Normal range of opening for adults

A

50 mm opening

12 mm lateral/protrusive

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14
Q

How do you determine the ideal amount of maxillary impaction

A

Lips at rest, measurement of lip to incisor. Normal is 2-3 mm so anything beyond that is amount for impaction

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15
Q

When treating Class II malocclusion, what mechanics should you use to prevent relapse?

A

Mechanics to decrease the SN-Occlusal plane angle or CCW rotation. Increasing the SN-Occlusal plane or have a CW rotation of the mandible, is more prone to relapse

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16
Q

*ABO Cast Radiograph Exam doesn’t evaluate what?

A

Overbite

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17
Q

If patient has a lateral shift, what is the first thing you do to diagnose?

A

Check midlines
- If midlines are shifted at rest and in occlusion, true skeletal or neuromuscular asymmetry
- If midlines are on at rest and shifted in occlusion, dental asymmetry functional shift
??Use flat occlusal plane splint if not clinically detectable

18
Q

What is true about Lichen Planus

A

Pruitic Lesions

19
Q

Question about RPHG

A

470 g below occlusal plane

20
Q

Autotransplant tooth

A

1/2 root formation

21
Q

Hypertelorism is associated with what?

A

Medfacial cleft or median cleft

22
Q

What should be the inclination of the incisors relative to the occlusal plane when doing an anterior resin-bonded bridge?

A

Perpendicular

23
Q

Where does the mandible form in relation to Meckel’s cartilage

A

Lateral to Meckel’s cartilage

Intramembranous ossification

24
Q

T/F, The mandiblular archform is based on the maxilla

A

False, the maxilla archform is based on the mandible

25
Q

Which is more contagious, HIV or Hep C

A

Hep C

26
Q

T/F, Health care providers should be vaccinated for Hep B and Hep C

A

False

Hep C has no Vaccine

27
Q

What is the most common chronic bloodborne pathogen in the US

A

Hep C

28
Q

How can you prevent growth in condylar hyperplasia?

A

High Condylectomy

29
Q

T/F, The Parotid gland secretes 60% saliva

A

False, It only contributes 20%

30
Q

Describe what limits the amount of expansion in SARPE

A

Coronoid process

31
Q

What does not derive from neural crest cells

A

Ameloblasts

32
Q

What doesn’t open in RPE

A

Premaxillary suture

33
Q

CBCT is not accurate in assessing what?

A

Bone thickness, but it is good for height

34
Q

What is not correct about OKC

A

Occurs most likely in the maxilla

35
Q

Ankylosis may occur for all of the reasons except?

A

Traumatic occlusion

36
Q

Which correction is the most stable post-treatment

A

Curve of Spee

37
Q

Why does orthodontic treatment cause perio problems in active disease?

A

Because osteoblasts do not increase and cannot function in an inflammatory environment

38
Q

HOw to you measure maximum opening?

A

Incisal edge to Incisal edge then add the OB

39
Q

What is affected more if a 9 year old is injected with growth hormone, maxilla or mandible

A

Mandible

40
Q

What is not characteristic of Acromegaly

A

It is not genetically inherited

41
Q

What is the most anterior inferior point on foramen magnum

A

Basion

ABO Written Exam (24 decks)

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