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Flashcards in ORAL SURGERY Sample Questions Deck (28)
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1
Q
which of the following does NOT represent a fascial space for the spread of infection?
A. superficial temporal space
B. pterygomandibular space
C. masseteric space
D. rhinosoteric space
E. submental space
A

D

2
Q
which of the following classifications of impacted teeth must always involve both bone removal and sectioning during the surgical procedure?
A. mesioangular impaction
B. horizontal impaction
C. vertical impaction
D. A and B only
E. A, B, and C
A

B

3
Q

which of the following does NOT represent a possible finding of severe infection?
A. trismus
B. drooling
C. difficult or painful swallowing
D. swelling and induration with elevation of the tongue
E. temperature of 99* F

A

E

4
Q

you are performing a 5-year follow up on a 43 year old patient with an implant. when comparing radiographs, you estimate that there has been almost 0.1mm loss of bone height around the implant since it was placed. which of the following is indicated?
A. removal of the implant and replacement with a larger size implant
B. removal of the implant to allow healing before another one can be placed 4 months later
C. remaking the prosthetic crown because of tangential forces on the implant
D. the implant is doing well; this amount of bone loss is considered acceptable

A

D

5
Q

on evaluation of an immediate postoperative panoramic film of a dental implant replacing tooth #30, you measure a distance of 1.5mm from the apex of the implant to the inferior alveolar nerve canal. this is a titanium implant in an otherwise healthy patient. which of the following actions is indicated?
A. proceed with immediate loading of the implant
B. continue but perform two-stage procedure only
C. back the implant out approximately 0.5mm to ensure a safe distance from the nerve
D. remove the implant and plan a repeat surgery after 4 months of healing

A

C

6
Q
myofascial pain dysfunction may be described as \_\_\_.
A. masticatory pain and limited function
B. clicking and popping of the joint
C. an infectious process
D. dislocation of the disc
A

A

7
Q
a 21-year old man is referred for an orthognathic surgery consult. after routine examination and review of radiographs, you note the following problem list: class III skeletal facial deformity with a negative overjet of 6mm and significant maxillary crowding, missing left mandibular first molar owing to dental decay with multiple other early carious lesions, and calculus on the lingual surfaces of teeth #22 through #27 with gingival inflammation. which of the following is the MOST appropriate order in which this patient's oral health needs should be sequenced?
A. definitive crown and bridge therapy, orthodontics to relieve crowding and to coordinate arches, caries management, surgery to correct the skeletal discrepancy, and periodontal therapy to control gingival inflammation
B. caries management, orthodontics to relieve crowding and to coordinate arches, definitive crown and bridge therapy, periodontal therapy to control gingival inflammation, and surgery to correct the skeletal discrepancy
C. periodontal therapy to control gingival inflammation, definitive crown and bridge therapy, orthodontics to relieve crowding and to coordinate arches, surgery to correct the skeletal discrepancy, and caries management
D. periodontal therapy to control gingival inflammation, caries management, orthodontics to relieve crowding and to coordinate arches, surgery to correct the skeletal discrepancy, and definitive crown and bridge therapy
A

D

8
Q
systemic effects of obstructive sleep apnea syndrome include all of the following EXCEPT one. which is the EXCEPTION?
A. hypertension
B. cor pulmonale
C. aortic aneurysm
D. cardiac arrhythmia
A

C

9
Q
which of the following is NOT a vital part of the physical examination for patients with TMJ complaints?
A. soft tissue symmetry
B. joint tenderness and sounds
C. soft palate length
D. range of motion of the mandible
E. teeth
A

C

10
Q
which of the following is considered the highest and most severe classification of maxillary fracture?
A. le fort I
B. le fort II
C. le fort III
D. le fort IV
A

C

11
Q
which of the following is NOT a relative contraindication for routine elective oral surgery?
A. unstable cardiac angina
B. history of head and neck radiation
C. chronic sinusitis
D. hemophilia
A

C

12
Q

which of the following statements regarding TMJ disorders is true?
A. the primary treatment for most patients with facial pain is TMJ surgery
B. disc displacement without reduction can cause a decrease in interincisal opening
C. myofascial pain is commonly related to parafunctional habits but not commonly related to stress
D. systemic arthritic conditions do not affect the TMJ because it is not a weight-bearing joint

A

B

13
Q

select from the following list the 3 correct applications and indications of antibiotic use in odontogenic infections:
A. antibiotic should cover staph aureus and aerobes
B. beta lactam antibiotics (penicillin V) are preferred
C. no antibiotic coverage is indicated for patients with high grade fever
D. clindamycin can be used if a patient is allergic to penicillin
E. broad spectrum instead of narrow spectrum antibiotic coverage is preferred
F. bactericidal agents are preferred to bacteriostatic agents in immunocompromised patients

A

B, D, F

14
Q

select from the following list 3 factors that make surgical removal of impacted third molars more difficult:
A. distoangular positioned third molar
B. mesioangular positioned third molar
C. narrow periodontal ligament
D. tooth roots are one half to one third formed
E. close proximity to IAN
F. fused conical roots

A

A, C, E

15
Q
for each clinical condition listed, select the most appropriate biopsy methods from the list provided:
A. soft tissue lesion is 0.5cm in size
B. osteomyelitis of the jaw
C. soft tissue lesion is 4cm in size
D. cystic or vascular soft tissue lesions deep to mucosa
1. excisional biopsy
2. incisional biopsy
3. aspiration or fine needle biopsy
4. hard tissue or intraosseous biopsy
A

A-1
B-4
C-2
D-3

16
Q
of the following anesthetics, which one is the least appropriate and which one is the most appropriate for use in children?
A. articaine
B. bupivacaine
C. lidocaine
D. mepivacaine
E. prilocaine
A

B - contraindicated in children

C - most appropriate

17
Q
most injectable local anesthetic s used in dentistry today are \_\_\_
A. esters
B. amides
C. hybrids of both esters and amides
D. none of the above
A

B

18
Q
which of the following local anesthetics is marketed for dentistry in the united states in more than one concentrations?
A. articaine
B. bupivacaine
C. lidocaine
D. mepivacaine
A

D

19
Q
the major factor determining whether aspiration can be reliably performed is the \_\_\_.
A. needle gauge
B. needle length
C. injection performed
D. patient
A

A

20
Q
the \_\_\_ injection is recommended for palatal soft tissue anesthesia from canine to canine bilaterally in the maxilla
A. posterior superior alveolar
B. inferior alveolar
C. long buccal
D. nasopalatine
A

D

21
Q
which of the following local anesthetics has the lowest pKa?
A. lidocaine
B. prilocaine
C. mepivacaine
D. bupivacaine
A

C

22
Q
assuming a 1.8mL cartridge, three cartridges of 2% lidocaine with 1:100,000 epi contain \_\_\_ mg of lidocaine
A. 36mg
B. 54mg
C. 54ug
D. 108mg
A

D

23
Q
which nerve block anesthetizes the distobuccal aspect of the mandibular first molar?
A. posterior superior alveolar
B. middle superior alveolar
C. anterior superior alveolar
D. inferior alveolar
A

D

24
Q
which of the following is the longest acting local anesthetic?
A. mepivacaine
B. lidocaine
C. prilocaine
D. bupivacaine
A

D

25
Q
for a patient with a history of very significant liver disease, which of the following would be the safest local anesthetic?
A. articaine
B. prilocaine
C. lidocaine
D. bupivacaine
A

A

26
Q
which of the following injections has the highest degree of failure?
A. posterior superior alveolar
B. lingual
C. nasopalatine
D. inferior alveolar
A

D

27
Q

which of the following are reasons why some local anesthetic preparations have a longer duration of action than others? (choose all that apply)
A. presence of a vasoconstrictor
B. percent protein binding
C. degree of lipid solubility
D. pKa of the drug
E. pH of the preparation
F. concentration of the local anesthetic solution as marked

A

A, B, C

28
Q

which of the following apply to articaine? (choose all that apply)
A. has amide properties
B. has ester properties
C. is packaged in the lowest concentration of all local anesthetics in dentistry
D. is packaged in the highest concentration of all local anesthetics in dentistry
E. has hepatic biotransformation
F. has extrahepatic biotransformation

A

A, B, D, E, F