OS

Question 1

Solution to transport biopsy sample:

Answer 1

10% Formalin

Question 2

If you were to follow pathway for cavernous sinus:

Answer 2

Canine –> infraorbital –> angular vein –> cavernous sinus thrombosis

Question 3

IV abx for osteomyelitis?

Answer 3

6 weeks

Question 4

Take antibiotics for these odontogenic infections except:

Answer 4

A. Osteoradionecrosis
B. Severe pericornitis
C. Fast growing swelling
D. Swelling of facial spaces

Question 5

True about oral cyst? (Asked question like this twice. Put this for both answers)

Answer 5

A. Cyst Cavity lumen almost always lined by epithelium

Question 6

Least common place to find an ameloblastoma?

Answer 6

A. Mandibular Molar region
B. Maxillary Molar region
C. Maxilla PM region
D. Mandible PM region

Question 7

(T/F): Ameloblastoma is benign and does not recur.

Answer 7

False

Question 8

Solid/multicystic ameloblastoma has what appearance?

Answer 8

Soap bubble appearance

Question 9

Which statement is true about adenomatoid odontogenic tumor?

Answer 9

2/3 found in anterior maxilla and usually in females

Question 10

10. Name of biopsy solution for mucocutaneous lesions?

Answer 10

A. Micheal Solution
B. Michel’s Solution

Question 11

11. Which is true of incisional biopsy?

Answer 11

Taken from the edge of the lesion to include some normal tissue

Question 12

12. (T/F): Incisional biopsy is removing the entire lesion.

Answer 12

False

Question 13

13. After enucleation, what goes into Carnoys solution?

Answer 13

60% ethanol 30% chloroform 10% acetic acid

Question 14

14. Resection of tumor that does not disrupt continuity of bone:

Answer 14

marginal resection

Question 15

15. (T/F): Punch biopsy is used to do bone biopsies.

Answer 15

False

Question 16

16. Correct protocol for I & D?

Answer 16

B. Sufficient drainage

Question 17

17. Should refer patient to hospital due to emergency if have:

Answer 17

A. Trismus- only one in the slides that indicated “danger”

Question 18

18. Marsupialization has great results for?

Answer 18

A. Odontogenic keratocyst

Question 19

19. (T/F): An odontogenic keratocyst is an inflammatory lesion.

Answer 19

False

Question 20

(T/F): Cementoblastoma most commonly found in mandibular posteriors (first mandibular molar).

Answer 20

True

Question 21

21. Which would raise concern for malignancy?

Answer 21

Fast growing lesion

Question 22

(T/F): Compound odontoma usually has multiple, small, malformed tooth-like structures with “bag of marbles” appearance.

Answer 22

True

Question 23

(T/F): HBO therapy used to treat osteoradionecrosis and can also be used to treat Chronic Refractory osteomyelitis.

Answer 23

True

Question 24

(T/F): Treat sequestered bone with antibiotics because surgical intervention is too damaging.

Answer 24

False

Question 25

25. (T/F): Acute osteomyelitis has leukocytosis, elevated ESR and CRP.

Answer 25

True

Question 26

(T/F): Ludwig’s Angina is a fulminating unilateral sublingual, submandibular, submental and cervical infection or cellulitis, displacing the tongue with potential airway obstruction.

Answer 26

False (because should be BILATERAL)

Question 27

27. What is the best protocol to remember in numbing prior to biopsy question.

Answer 27

A. Do NOT numb directly in area to be removed

Question 28

28. All are definitive tx for odontogenic infection except:

Answer 28

a. IV and admit pt to hospital

Question 29

29. Aspiration uses what kind of needle and syringe?

Answer 29

18-gauge needle

Question 30

30. Signs and symptoms of cavernous sinus thrombosis are:

Answer 30

periorbital and conjunctival edema

Question 31

31. Osteomyelitis shows on xray when

Answer 31

30-60% demineralization

Question 32

32. Surgical treatment for osteomyelitis:

Answer 32

d. Surgical resection

Question 33

(T/F): Spread of odontogenic infection usually involves osseous structures as in osteomyelitis, not the soft tissues.

Answer 33

False

Question 34

34. What to ask lab for once sending

Answer 34

a. Gram stain, anaerobic and aerobic, C&S

Question 35

35. Which is considered a primary space?

Answer 35

a. Buccal space

Question 36

36. Osteomyelitis is more common in the:

Answer 36

Mandible

Question 37

37. (T/F): Use broad spectrum antibiotics and kill everything.

Answer 37

False - use narrow spectrum

Question 38

38. Which is not a primary mandibular space?

Answer 38

Pterygomandibular

Question 39

(T/F): Osteomyelitis is inflammation and infection of the cortical bone with a tendency to progression.

Answer 39

False- should be bone marrow instead of cortical bone

Question 40

Osteomyelitis in the jaws is different from osteomyelitis of long bones because it’s comprised of:

Answer 40

Alpha hemolytic Streptococci Anaerobic bacteria

Question 41

41. In acute osteomyelitis:

Answer 41

a. Gram + aerobes predominate

Question 42

42. Good to visualize complex odontogenic infections with?

Answer 42

a. CT scan with contrast

Question 43

43. Which is not a cardinal sign of inflammation?

Answer 43

Color

Question 44

44. Infection spreading characteristic:

Answer 44

Path of least resistance

Question 45

45. What does CBC mean?

Answer 45

Complete Blood count

Question 46

(T/F): Odontogenic tumors are classified by 1. Odontogenic Epithelium, 2. Mixed odontogenic tumors, 3. Odontogenic mesenchyme

Answer 46

True