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ABO Written Exam > 2015 Questions Pt. 2 > Flashcards

2015 Questions Pt. 2 Flashcards

1
Q

Fastest somatic growth occurs when?

A

conception to birth

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2
Q

What sinus is enlarged in Acromegaly?

A

Frontal sinus

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3
Q

What is not associated with Apert Syndrome?

a. Absence of infraorbital ridge
b. Dolichocephaly
c. Hypoplastic infraorbital ridge

A

c. Hypoplastic infraorbital ridge

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4
Q

What is not associated with Crouzon?

a. Syndactyly
b. Cleft lip/palate
c. Fusion of sutures at 7-8 years old

A

c. Fusion of sutures at 7-8 years old

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5
Q

What does not have delayed tooth eruption?

A

Either Hemifacial Microsomia or Crouzon

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6
Q

Cleft Lip is not associated with what common craniofacial anomaly?

A

Pierre Robin

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7
Q

Wormian bones are found in what craniofacial anomaly

A

Cleidocranial dysostois

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8
Q

T/F
Hep C does not have a vaccine
The most common bloodborne pathogen in the US is Hep B

A

T

False, most common is Hep C

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9
Q

What is importance of HBc?

A

Anti-HBc = total hepatitis B core antibody
Diagnosis of recent or past hepatitis B infection
Appears shortly after symptoms

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10
Q

What is significant about Ameloblastomas?

A

The polycystic type is more common (86%) and harder to treat (50-90% occurence)

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11
Q

How do you NOT treat Ameloblastoma?

A

Radical dissection

  • Polycystic: marginal/block resection
  • Unicystic: Enucleate and curettage
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12
Q

What is the most common tumor of odontogenic origin?

A

Odontoma

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13
Q

What is the most common place for a sialolith?

A

Submandibular gland

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14
Q

What is the most common salivary gland tumor?

A

Pleomorphic adenoma

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15
Q

T/F
Sterilization will kill all viruses, bacteria, and spores
Disinfection will kill everything but spores

A

True

True

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16
Q

What is location of condyle in CR?

A

Most superior and anterior

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17
Q

Finishing a case with less than 2 mm shift from CR-CO and you want to have coincident midlines.

A

Occlusal equilibration

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18
Q

Patient has a lateral shift, how do you clinically diagnose?

A

Check midlines

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19
Q

T/F
Occlusal interferences cause bruxism
Bruxism is not associated with anxiety and stress.

A

False

False

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20
Q

The most conservative treatment for TMD is

A

Occlusal splint therapy or flat plane occlusal splint

21
Q

How do you measure maximum opening?

A

Incisal edge to edge + overbite

22
Q

If a patient is undergoing splint therapy, are these statements true:
Weaning off the splint should start at 5 months
Stop wearing the splint after 3 months

A

False, 3 months

True, 3 months

23
Q

Patient with an open lock and click on the left side.

A

Posterior displaced disk on left side

24
Q

Patient with limited opening. What is happened?

A

CLosed lock - Anterior disk displacement. Is there sound? no sound = without reduction, with sound = with reduction

25
Q

What is restricted in a patient with a closed lock?

A

Limited lateral movement toward unaffected side. There is deviation toward affected side upon opening.

if asking what is false, may have answer like: No deviation on opening

26
Q

T/F

Internal disc derangement = anterior disc displacement

A

true

27
Q

A patient has ADD without reduction on the right side. Explain what will happen with the mandible

A

It will deviate to the right on opening. It won’t be able to move laterally to the left (unaffected side)

28
Q

Most common cause of TMD

A

Parafunction

29
Q

If a patient has disk displacement. What would you use to correct it?

A

Flat plane occlusal splint

30
Q

T/F

TMD is commonly found in the 15-25 year old age group

A

True (18-35)

31
Q

The articular surface of the TMJ covered with what tisssue?

A

Fibrocartilage

32
Q

T/F

CBCT gives better image than Medical CT

A

False

33
Q

Which of the following has the most radiation when imaging the TMJ

A

Tech-99

34
Q

What radiologic technique is used for detecting active growth?

A

Tech-99

35
Q

Best way to monitor and evaluate through radiograph condylar hyperplasia

A

Tech-99

36
Q

What radiographic procedure helps eval perforations of the articular disk?

A

Arthrography

37
Q

What is the best type of imaging to view an arthritic lesion in TMJ

A

CT

MRI if it’s about the ligament/tissue

38
Q

Smaller voxels have more radiation, why?

A

More photons

39
Q

Digital x-ray is better than film except?

A

Increased resolution

40
Q

The effects of ionizing radiation include all except:

A

Equal effect all tissue.

41
Q

T/F

Equivalent dose does not take into consideration the organ being irradiated

A

False, It does

42
Q

International commission of radiology (ICRP) uses what?

A

Equivalent dose

43
Q

When trying to compile data, from multiple x-ray lateral cephs, the most common error is:

A

Poor landmark identification

44
Q

0.4 voxel size is better in showing what?

A

Better at showing bone height over bone thickness

45
Q

What is most common error when taking a ceph:

a. Patient head position to anode
b. Midsagittal plane to film distance
c. Vertical head position

A

a. Patient head position to anode

46
Q

Who first brought cephalometrics to orthodontics?

A

Broadbent

47
Q

What is the Opisthion?

A

The most posterior point of the foramen magnum

48
Q

Which of the following is not stable to superimpose on?

a. Occiput
b. Nasion
c. Planum sphenoidum

A

b. Nasion

49
Q

What are the guidelines for ABO superimposition of the mandible

A

Register on the internal cortical outline of symphysis and best fit on mandibular canal

ABO Written Exam (24 decks)

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