Day 2, Section 6

Question 1

Patient:
Female, 9 years old
Chief complaint:
'My front teeth are crossing each other'

Which of the following alloys is not currently used in archwires?

Accepted Answer

B. Copper, tin, and titanium

Answer

A. Nickel and titanium

Answer

C. Beta titanium (titanium and molybdenum)

Answer

D. Stainless steel and cobalt chromium

Question 2

Patient:
Female, 9 years old
Chief complaint:
'My front teeth are crossing each other'

When is post-orthodontic circumferential supracrestal fibrotomy indicated?

Accepted Answer

B. To prevent maxillary lateral incisors from relapsing into their previously rotated position

Answer

A. To prevent mesial drift of the mandibular incisors

Answer

C. To maintain the buccal plate after movement of an impacted canine

Answer

D. To control thumb-sucking behavior

Question 3

Patient:
Female, 9 years old
Chief complaint:
'My front teeth are crossing each other'

The distal step relationship in primary molars often translates to which classification of occlusion in the permanent molars?

Accepted Answer

B. Class II

Answer

A. Class I

Answer

C. Class III

Question 4

Patient:
Female, 9 years old
Chief complaint:
'My front teeth are crossing each other'

What are the average distances of mandibular leeway space and maxillary leeway space per side, respectively?

Accepted Answer

A. 2.5mm, 1.5mm

Answer

B. 3mm, 4mm

Answer

C. 3 to 4mm, 2 to 2.5mm

Answer

D. 5 to 6mm, 4 to 5mm

Question 5

Patient:
Female, 24 years old
Chief complaint:
'I want to get my filling replaced'

Fordyce granules are:

Accepted Answer

C. Ectopic sebaceous glands

Answer

A. Epithelial inclusion cysts

Answer

B. Found on the buccal and lingual aspects of the alveolus

Answer

D. Remnants of the dental lamina

Question 6

Patient:
Male, 4 years old
Chief complaint:
'My child has spacing between his teeth'

The definition of primate space is:

Accepted Answer

C. The space mesial to the maxillary primary canines and distal to the mandibular primary canines

Answer

A. The space mesial to the mandibular primary canines and distal to the maxillary primary canines

Answer

B. The space distal to the mandibular primary canines and distal to the maxillary primary canines

Answer

D. The space mesial to the maxillary primary canines only

Question 7

Patient:
Male, 4 years old
Chief complaint:
'My child has spacing between his teeth'

According to the American Academy of Pediatric Dentistry Guidelines, the following restorative materials for a high-caries experience patient are recommended:

Accepted Answer

D. B and C only

Answer

A. Composite resin

Answer

B. Glass ionomer or resin modified GI

Answer

C. Stainless steel crown

Answer

E. All of the above

Question 8

Patient:
Male, 4 years old
Chief complaint:
'My child has spacing between his teeth'

At what age can one expect eruption of a maxillary permanent canine in an individual with an ideal eruption sequence?

Accepted Answer

E. 11 to 12 years

Answer

A. 7 to 8 years

Answer

B. 8 to 9 years

Answer

C. 9 to 10years

Answer

D. 10 to 11 years

Question 9

When recommending a storage medium for avulsed teeth, order the following from most favorable to least favorable.

Accepted Answer

B. Hank’s balanced salt solution, cold milk, saliva, water

Answer

A. Cold milk, Hank’s balanced salt solution, saliva, water

Answer

C. Hank’s balanced salt solution, cold milk, water, saliva

Answer

D. Cold milk, Hank’s balanced salt solution, water, saliva

Answer

E. Saliva, Hank’s balanced salt solution, cold milk, water

Question 10

Patient:
Male, 17 years old
Chief complaint:
'The doc said I need one tooth removed'

How would the oral surgeon decide as to where the impacted tooth lay in respect to being either buccal or palatal to teeth #10 and #12?

Accepted Answer

A. Application of the SLOB rule

Answer

B. Use of panoramic radiograph C. Towne’s view x-ray

Answer

C. Water’s view x-ray

Answer

D. Lateral head radiograph

Question 11

Patient:
Female, 55 years old
Chief complaint:
'I feel there is a pain on the left side of my face since 3 weeks and also noticed a white thing coming out from my gums'

What is likely the first choice in treatment?

Accepted Answer

F. Saline rinses

Answer

A. Antibiotics

Answer

B. Daily sodium peroxide rinses

Answer

C. Hyperbaric oxygen therapy

Answer

D. Extraction of teeth #19–#21

Answer

E. Resection of left mandible with reconstruction

Question 12

Patient:
Male, 14 years old
Chief complaint:
'My gums are swollen'

These findings are most consistent with a diagnosis of which of the following disorders?

Accepted Answer

A. Leukemia

Answer

B. Thrombocytopenia

Answer

C. Neutropenia

Answer

D. Multiple myeloma

Answer

E. Anemia

Question 13

Patient:
Female, 45 years old
Chief complaint:
'I have swellings in my mouth'

What syndrome does this pa#ent most likely have?

Accepted Answer

C. Gardner syndrome

Answer

A. Gorlin syndrome

Answer

B. Ascher syndrome

Answer

D. Klinefelter’s syndrome

Question 14

Patient:
Male, 66 years old
Chief complaint:
'I want to replace my teeth'

For optimal esthetics when setting maxillary denture teeth, the incisal edges of the maxillary incisors should follow the ____.

Accepted Answer

A. Lower lips during smiling

Answer

B. Upper lips during smiling

Answer

C. Lower lips when relaxed

Answer

D. Upper lips when relaxed

Question 15

Patient:
Male, 26 years old
Chief complaint:
'I have pain in my tooth on biting'

Radiographic findings and tooth mobility tests are normal. The most probable cause of pain is ____.

Accepted Answer

C. A vertical root fracture

Answer

A. A loose crown

Answer

B. Psychosomatic

Answer

D. A premature eccentric contact

Question 16

Patient:
Female, 63 years old
Chief complaint:
'I wanted to replace my missing teeth because I can’t eat'

The rest of the teeth have good periodontal support, the preferred choice of treatment is ____.

Accepted Answer

E. B and C are preferred over A

Answer

A. RDP replacing all missing teeth

Answer

B. FDP replacing the missing premolar and RDP replacing the molars

Answer

C. Implant-supported crowns replacing the first premolars and RDP replacing the molars

Answer

D. A and B are preferred over C

Question 17

Patient:
Female, 26 years old
Chief complaint:
'I have come for a routine check-up'

What is the most likely cause of the radiolucency?

Accepted Answer

D. Mental foramen

Answer

A. Submandibular fossa

Answer

B. Periapical granuloma

Answer

C. Complex compound odontoma

Question 18

Patient:
Male, 50 years old
Chief complaint:
'I have pain in my tooth with the crown'

For an alloy to be considered noble metal, it should ____.

Accepted Answer

B. Contain at least 25% platinum or palladium

Answer

For an alloy to be considered noble metal, it should ____.

Answer

C. Contain 40% gold

Answer

D. Contain at least 80% gold

Question 19

Patient:
Male, 29 years old
Chief complaint:
'I got hurt on the back of my head and I have extremely bad headache'

Which of the following vessels is involved in an epidural hematoma?

Accepted Answer

E. Middle meningeal artery

Answer

A. Anterior communicating artery

Answer

B. Posterior cerebral artery

Answer

C. Anterior cerebral artery

Answer

D. Posterior communicating artery

Question 20

Patient:
Male, 23 years old
Chief complaint:
'I want to get my tooth removed'

If the patient is complaining of altered taste sensation to the anterior 2/3 of the tongue, as well as generalized paresthesia to the left lateral tongue, which of the following structures may have been compromised by the extraction?

Accepted Answer

B. Lingual nerve

Answer

A. Buccal nerve

Answer

C. Middle superior alveolar nerve

Answer

D. Hypoglossal nerve

Answer

E. Inferior alveolar nerve

Question 21

Patient:
Female, 23 years old
Chief complaint:
'My friend just collided with her teammate during our lacrosse match'

Damage to the lateral and medial cords of the brachial plexus would result in altered motor movements to each of the following muscles EXCEPT

Accepted Answer

C. extensor carpi ulnaris

Answer

A. Interosseus muscles

Answer

B. Thenar muscles

Answer

D. flexor carpi ulnaris

Answer

E. flexor carpi radialis

Question 22

Patient:
Male, 18 years old
Chief complaint:
'I have severe pain in my tooth'

Which pathway transmits pain and temperature?

Accepted Answer

C. Lateral spinothalamic tract (of the anterolateral pathway)

Answer

A. Dorsal column pathway

Answer

B. Anterior spinothalamic tract (of the anterolateral pathway)

Answer

D. Corticospinal tract (of the pyramidal system)

Answer

E. Medial lemniscal pathway

Question 23

Patient:
Female, 70 years old
Chief complaint:
'I have some bumps on the lest side of my face'

'What should be the next step in the management of this patient?

Accepted Answer

D. Administration of systemic antiviral medication and referral to ophthalmologist.

Answer

A. Administration of systemic steroids.

Answer

B. Administration of systemic antiviral medication and application of topical steroids.

Answer

C. Administration of systemic antiviral medication.

Question 24

Patient:
Female, 32 years old
Chief complaint:
'I want to have my teeth cleaned'

Which of the following is not a peptide hormone?

Accepted Answer

D. Aldosterone

Answer

A. PTH

Answer

B. Insulin

Answer

C. GH

Answer

E. ADH

Question 25

Patient:
Male, 16 years old
Chief complaint:
'I think I need braces'

Which of the following anterior pituitary hormones does not directly act on a specific target tissue?

Accepted Answer

B. GH

Answer

A. FSH

Answer

C. ACTH

Answer

D. Prolactin

Answer

E. TSH

Question 26

Patient:
Male, 14 years old
Chief complaint:
'My gums bleed sometimes'

The intrinsic and extrinsic clotting pathways meet with the activation of what factor?

Accepted Answer

C. X

Answer

A. II

Answer

B. IX

Answer

D. XI

Answer

E. XII

Question 27

Patient:
Female, 15 years old
Chief complaint:
'My gums feel swollen'

Which of the following bacteria is most strongly associated with sex-steroid-induced gingivitis?

Accepted Answer

B. Prevotella intermedia

Answer

A. Lactobacillus casei

Answer

C. Streptococcus mutans

Answer

D. Actinomyces viscosus

Answer

E. Lactobacillus acidophilus

Question 28

Patient:
Male, 32 years old
Chief complaint:
'I have pain in my tooth'

The maxillary 1st premolar typically has a pulp chamber of what shape (at the level of the CEJ)?

Accepted Answer

C. Oval (flattened mesiodistally)

Answer

A. Round

Answer

B. Egg-shaped

Answer

D. Oval (flattened buccolingually)

Answer

E. Rectangular

Question 29

On average, how much root structure must be formed before a tooth erupts?

Accepted Answer

D. 50%-66%

Answer

A. 0%-25%

Answer

B. 25%-33%

Answer

C. 33%-50%

Answer

E. 66%-75%

Question 30

Patient:
Male, 19 years old
Chief complaint:
'My back tooth is in pain'

Tooth #18 has what general crown shape when viewed from the distal?

Accepted Answer

D. Trapezoidal

Answer

A. Square

Answer

B. Rectangular

Answer

E. Oval

Question 31

Patient:
Male, 28 years old
Chief complaint:
'I have pain in my tooth on biting'

The mesial proximal contact area of tooth #29 is located where?

Accepted Answer

C. Middle 3rd

Answer

A. Incisal 3rd

Answer

B. Junction of the incisal and middle 3rds

Answer

D. Junction of the middle and cervical 3rds

Answer

E. Cervical 3rd

Question 32

Patient:
Female, 68 years old
Chief complaint:
'My teeth feel and look rough'

Which of the following conditions may cause tooth erosion?

Accepted Answer

A. GERD

Answer

B. Nocturnal bruxism

Answer

C. Occlusal trauma

Answer

D. Pipe smoking

Answer

E. Cigarette smoking

Question 33

Patient:
Male, 9 years old
Chief complaint:
'I have come for a routine check-up'

By the age of 9 ½ , how many teeth will a young boy have?

Accepted Answer

C. 10 primary and 14 permanent teeth

Answer

A. 12 primary and 12 permanent teeth

Answer

B. 10 primary and 12 permanent teeth

Answer

D. 8 primary and 16 permanent teeth

Answer

E. 6 primary and 16 permanent teeth

Question 34

Patient:
Male, 80 years old
Chief complaint:
'I want to have my teeth replaced'

Each of the following enzymes is elevated after a myocardial infarct and heart damage EXCEPT

Accepted Answer

E. alkaline phosphatase

Answer

A. CK-MB

Answer

B. troponin T

Answer

C. myoglobin

Answer

D. creatine phosphokinase

Question 35

Patient:
Female, 60 years old
Chief complaint:
'I want to have my teeth cleaned'

Each of the following endocrine disorders can contribute to secondary hypertension EXCEPT

Accepted Answer

D. hypoaldosteronism

Answer

A. Cushing syndrome.

Answer

B. diabetes.

Answer

C. pheochromocytoma.

Answer

E. hyperthyroidism.

Question 36

Patient:
Female, 20 years old
Chief complaint:
'I feel there is some discoloration inside my mouth'

Which family of viruses do you believe to be suspect?

Accepted Answer

B. Paramyxovirus

Answer

A. Rhabdovirus

Answer

C. Papovirus

Answer

D. Reovirus

Answer

E. Calicivirus

Question 37

Patient:
Female, 45 years old
Chief complaint:
'I want to have my teeth cleaned'

Which of the following would be an adequate treatment for Addison disease?

Accepted Answer

A. Administer cortisol

Answer

B. Administer aldosterone

Answer

C. Administer androgens

Answer

D. Administer growth hormone

Answer

E. Administer parathyroid hormone

Question 38

Patient:
Female, 16 years old
Chief complaint:
'I want to have my teeth fixed'

In an ideal occlusion, the lingual cusp of the permanent maxillary 1st premolar occludes where?

Accepted Answer

B. Distal triangular fossa of the mandibular 1st premolar

Answer

A. Mesial triangular fossa of the mandibular 1st premolar

Answer

C. Distal marginal ridge of the mandibular 1st premolar

Answer

D. Mesial triangular fossa of the mandibular 2nd premolar

Question 39

Patient:
Female, 16 years old
Chief complaint:
'I want to have my teeth fixed'

How many premolars are found in each quadrant of a normal deciduous dentition?

Accepted Answer

A. 0

Answer

B. 1

Answer

C. 2

Answer

D. 3

Answer

E.4

Question 40

Patient:
Female, 16 years old
Chief complaint:
'I want to have my teeth fixed'

How many point angles are found on tooth No. 12?

Accepted Answer

D. 4

Answer

A. 1

Answer

B. 2

Answer

C. 3

Answer

E. 5

Question 41

Patient:
Female, 16 years old
Chief complaint:
'I want to have my teeth fixed'

In a maxillary 1st molar, a depression associated with a furcation might be detectable on all of the following surfaces EXCEPT

Accepted Answer

B. palatal.

Answer

A. buccal.

Answer

C. mesial.

Answer

D. distal.

Question 42

Patient:
Female, 16 years old
Chief complaint:
'I want to have my teeth fixed'

How many teeth contact both anterior and posterior segments of the opposing arch in ideal intercuspation?

Accepted Answer

C. 4

Answer

A. 0

Answer

B. 2

Answer

D. 6

Answer

E. 8

Question 43

Patient:
Female, 4 years old
Chief complaint:
'My child fell down and there was bleeding from her mouth so I think her tooth broke'

The crowns of all primary teeth begin to calcify at what time?

Accepted Answer

B. 4-6 months in utero

Answer

A. 2-4 months in utero

Answer

C. 6-8 months in utero

Answer

D. At birth

Answer

E. 2-4 months postpartum

Question 44

Patient:
Female, 4 years old
Chief complaint:
'My child fell down and there was bleeding from her mouth so I think her tooth broke'

All anterior teeth develop from how many lobes?

Accepted Answer

C. 4

Answer

A. 2

Answer

B. 3

Answer

D. 5

Answer

E. 6

Question 45

Patient:
Female, 4 years old
Chief complaint:
'My child fell down and there was bleeding from her mouth so I think her tooth broke'

The primary mandibular 1st molar most closely resembles which permanent tooth?

Accepted Answer

E. None of the above

Answer

A. Mandibular 1st molar

Answer

B. Mandibular 2nd molar

Answer

C. Maxillary 1st molar

Answer

D. Maxillary 2nd molar

Question 46

Patient:
Female, 12 years old
Chief complaint:
'I fell off the bicycle and my jaw hurts on the right side'

The mandible will deviate to the right side because the left lateral pterygoid is still functional.

Accepted Answer

A. Both the statement and the reason are correct and related.

Answer

B. Both the statement and the reason are correct but not related.

Answer

C. The statement is correct, but the reason is not.

Answer

D. The statement is not correct, but the reason is correct.

Answer

E. Neither the statement nor the reason is correct.

Question 47

Patient:
Female, 7 years old
Chief complaint:
'My teeth have bumps on them

Permanent incisors often erupt ______ to their primary counterparts.

Accepted Answer

B. lingual

Answer

A. buccal

Answer

C. directly underneath

Answer

D. lateral

Question 48

Patient:
Female, 15 years old
Chief complaint:
'I want to have my teeth fixed'

In ideal maximum intercuspation, the oblique ridge of the maxillary 1st molar opposes which of the following areas of the mandibular 1st molar?

Accepted Answer

B. Distobuccal groove

Answer

A. Buccal groove

Answer

C. Lingual groove

Answer

D. Mesial marginal ridge

Answer

E. Distal marginal ridge

Question 49

Patient:
Female, 15 years old
Chief complaint:
'I want to have my teeth fixed'

How many cusps does the primary mandibular 2nd molar typically have?

Accepted Answer

E. 5

Answer

A.1

Answer

B.2

Answer

C.3

Answer

D.4

Question 50

Patient:
Female, 15 years old
Chief complaint:
'I want to have my teeth fixed

The only tooth with three different occlusal schemes is the:

Accepted Answer

B. Mandibular 2nd premolar

Answer

A. Mandibular 1st premolar

Answer

C. mandibular 1st molar

Answer

D. mandibular 2nd molar

Question 51

Patient:
Male, 65 years old
Chief complaint:
'I still have pain in my tooth'

You suspect a 2nd canal on tooth number #23. In which direction should you look?

Accepted Answer

D. Lingual

Answer

A. Mesial

Answer

B. Distal

Answer

C. Buccal

Answer

E. None, there is no possibility of a 2nd canal

Question 52

Patient:
Female, 20 months old
Chief complaint:
'I am concerned because I feel my daughter has less teeth'

Upon examining the pa#ent, which teeth should you expect to find?

Accepted Answer

E. Primary centrals, laterals, first molars, canines

Answer

A. Primary centrals and laterals only

Answer

B. Primary centrals, laterals, canines

Answer

C. Primary centrals, laterals, first molars, second molars

Answer

D. Primary centrals, laterals, first molars

Question 53

Patient:
Female, 15 years old
Chief complaint:
'My teeth look weird'

Which of the following premolars has a shorter buccal cusp than lingual cusp?

Accepted Answer

D. Mandibular 2nd premolar

Answer

A. Maxillary 1st premolar

Answer

B. Maxillary 2nd premolar

Answer

C. Mandibular 1st premolar

Answer

E. None of the above

Question 54

Patient:
Female, 5 years old
Chief complaint:
'My tooth is paining'

All of the primary teeth have just completed root formation at what age?

Accepted Answer

D. 3-4 years

Answer

A. 1 - 1.5 years

Answer

B. 1.5 - 2 years

Answer

C. 2-3 years

Answer

E. 4-5 years

Question 55

Patient:
Male, 16 years old
Chief complaint:
'My teeth are missing'

In comparison to the maxillary canine, the mandibular canine has a

Accepted Answer

E. more narrow mesiodistal crown width

Answer

A. Sharper cusp

Answer

B. more pronounced labial ridge

Answer

C. more cervical mesial contact

Answer

D. centered cingulum

Question 56

Patient:
Female, 41 years old
Chief complaint:
'I have white patches on my tongue

The principal muscle that protrudes the tongue is innervated by which cranial nerve?

Accepted Answer

E. CN XII

Answer

A. CN V

Answer

B. CN VII

Answer

C. CN IX

Answer

D. CN X

Question 57

Patient:
Male, 85 years old
Chief complaint:
'I have a dull, diffuse pain on the right side of my jaw'

Each of the following is a mechanism of airway obstruction EXCEPT

Accepted Answer

D. increased elastic recoil

Answer

A. Decreased elastic recoil

Answer

B. Increased mucous

Answer

C. airway hyperreactivity

Answer

E. none of the above

Question 58

Patient:
Male, 85 years old
Chief complaint:
'I have a dull, diffuse pain on the right side of my jaw'

Central diabetes insipidus is most commonly caused by a defect in the activity of which structure?

Accepted Answer

D. Posterior pituitary

Answer

A. Adrenal cortex

Answer

B. Adrenal medulla

Answer

C. Anterior pituitary

Question 59

Patient:
Male, 85 years old
Chief complaint:
'I have a dull, diffuse pain on the right side of my jaw'

A patient presents to your office with a chief complaint of dull, diffuse pain in the lower right quadrant. The nerve fibers responsible for this sensation are:

Accepted Answer

D. Unmyelinated C fibers

Answer

A. Myelinated A fibers

Answer

B. Unmyelinated A fibers

Answer

C. Myelinated C fibers

Answer

E. Subodontoblastic plexus of Raschkow

Question 60

Patient:
Male, 85 years old
Chief complaint:
'I have a dull, diffuse pain on the right side of my jaw'

What is the most common autoimmune disorder in the United States?

Accepted Answer

B. Rheumatoid arthritis

Answer

A. Sjögren syndrome

Answer

C. Lupus

Answer

D. Polyarteritis nodosa

Answer

E. Dermatomyositis

Question 61

Patient:
Female, 71 years old
Chief complaint:
'I feel like I have an extra tooth'

The most likely explanation for this finding is

Accepted Answer

D. gemination

Answer

A. concrescence

Answer

B. hypercementosis

Answer

C. fusion

Answer

E. fibrous dysplasia

Question 62

Patient:
Female, 33 years old
Chief complaint:
'Routine dental check-up'

She reports no other medical problems. These findings are most consistent with which of the following?

Accepted Answer

C. Ehlers–Danlos syndrome

Answer

A. Osler–Weber–Rendu syndrome

Answer

B. Tuberous sclerosis

Answer

D. Sturge–Weber angiomatosis

Question 63

Patient:
Male, 18 years old
Chief complaint:
'I came for a regular check-up'

The appropriate next step in treatment includes which of the following?

Accepted Answer

D. No treatment needed

Answer

A. Resection of the mandibular angle

Answer

B. Aspiration biopsy

Answer

C. Excisional biopsy

Question 64

Patient:
Female, 22 years old
Chief complaint:
'I have severe spontaneous pain in the tooth I got filled a week back'

The pulpal diagnosis is:

Accepted Answer

E. Irreversible pulpitis

Answer

A. Pulp necrosis

Answer

B. Acute periapical periodontitis

Answer

C. Reversible pulpitis

Answer

D. Traumatic occlusion

Day 2, Section 6

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