OEQ

Question 1

As odontogenic infection progresses from early to late stage, anaerobic bacteria make up the elate stage infection almost entirely.

Streptococcus is the amino acid bacteria that makes up aerobic bacteria

Answer 1

T, T

Question 2

A patient that is a heavy drinker/alcoholism has decreased immune function.

A patient with impaired renal ability has decreased immune function

Answer 2

T, T

Question 3

I &D is a contraindication for treatment of cellulitis.

There is a chance of spread of infection from surgical intervention.

Answer 3

F, T

Question 4

Signs of inflammation. Trismus comes from pterygomandibular .

Answer 4

true

Question 5

18 year old male presents to you office. The swelling is firm to touch, large radiolucency on Arya. What is the next step.

Answer 5

Aspirate

Question 6

Which of the following does not describe cellulitis

Answer 6

localized collection of pus (abscess)

Question 7

What is the main thing you want to do in treatment of any type of odontogenic infection:

Answer 7

identify & excise cause of infection

Question 8

Bacteriostatic antibiotic is better than bactericidal.

Answer 8

false - bactericidal KILLS

Question 9

A patient comes in with an ulcerated 5mm white lesion on the dorsal side of her tongue. The patient is a heavy drinker and smoker, the biopsy comes back and says the lesion is “chronic inflammation”. What is the next step?

Answer 9

Take another sample of the lesion to make sure their aren’t tumor cells

Question 10

List the primary maxillary spaces:

Answer 10

Canine, Buccal, Infratemporal

Max says CARRIE BUYS IGLOOS

Question 11

List the primary mandibular spaces:

Answer 11

Manny likes SUBS & BOOTY

Buccal, Sublingual, Submandibular, Submental

Question 12

Secondary fascial spaces:

Answer 12

Lateral pharyngeal
Retropharyngeal
Masseteric
Pterygomandibular
Superficial and deep temporal
Prevertebral

Question 13

An infection near the maxillary first molar will most likely spread to:

Answer 13

buccal space

Question 14

Which one does not use an extra-oral approach to drainage:

Answer 14

Infraorbital

Question 15

The ___ separates the sublingual and submandibular spaces:

Answer 15

mylohyoid muscle

Question 16

A patient comes in with swelling and you are unable to palpate the border of the mandible. What space is mostly likely involved?

Answer 16

Submandibular

(fluid underneath the mandible so you won’t feel the bone)

Question 17

A patient comes in with swelling and you are able to palpate the floor of the mouth next to the swelling. Where is the most likely space?

Answer 17

Sublingual

Question 18

In normal health, subfascial spaces do not exist.

Most infections don’t want to spread to bone like osteomyelitis/

Answer 18

True, True

Question 19

What is the standard radiograph for osteomyelitis?

Answer 19

CT

Question 20

What radiograph do you get to visualize the extend of odontogenic infections better?

Answer 20

CT

Question 21

When you send a sample (biopsy) to the lab, what do you order/expect to get back?

Answer 21

• microbial analysis
• histological assessment
• C&S

(all of the above)

Question 22

Ludwigs angina spaces:

Answer 22

1. Sublingual
2. Submandibular
3. Submental

NOT SUBMASSETERIC

Question 23

Patient comes in with cavernous sinus thrombosis secondary from infection. What else do you expect to see?

Answer 23

1. Marked edema
2. Congestion of eyelids and conjunctiva

Question 24

Chronic osteomyelitis is _____ (how painful) and continues to progress

Answer 24

• minimal pain early on
• extensive pain in late stages

Question 25

Involucrum definition:

Answer 25

A layer of new bone growth that forms around existing bone in response to infection

Question 26

Garre's Osteomyelitis is also known as:

Answer 26

chronic refractory myelitis -proliferative periostitis - periostitis ossificans

Question 27

What is the only form of osteomyelitis that you would use HBO therapy for?

Answer 27

Chronic refractory osteomyelitis

Question 28

____% of demineralization needs to occur for osteomyelitis to show up on x-ray

Answer 28

30-60%

Question 29

What is the standard x-ray for osteomyelitis?

Answer 29

CT scan (pano initially)

Question 30

What is not part of the surgical treatment for osteomyelitis...?

Answer 30

(what is= sequestrectomy, saucerization, and decortication)

Question 31

Patient comes in and has persistent lesion after 5 days with no apparent etiology. Take surgical approach after two weeks if local therapy has not worked.

Answer 31

Both true

Question 32

Indications for excisional biopsy:

Answer 32

Excisional= total excision of lesion for microscopic study - slow growing lesions that appear benign on clinical exam - remove of entire lesion

Question 33

Indications for incisional biopsy:

Answer 33

1. lesion too large to remove entirely without having established diagnosis 2. suspicion of malignancy

Question 34

In which instance would you use an incisional biopsy: - a 4cm white lesion on the border of the tongue - a 1cm lesion of papilloma - a 2cm bony exostosis lesion

Answer 34

a 4cm white lesion on the border of the tongue

Question 35

What size of needled we use for aspiration in our OS department?

Answer 35

18 gauge

Question 36

Biopsy is transported what medium?

Answer 36

10% formalin

Question 37

Immunofluorescent biopsy is transported what medium?

Answer 37

Michels transport medium

Question 38

What is Carboys solution used to treat?

Answer 38

OKC

Question 39

Why are OKCs recurrent?

Answer 39

Satelite/daughter cells

Question 40

Which one is derived from the dental lamina?

Answer 40

OKC also: - dental lamina cyst of newborn - latetral periodontal cyst - glandular cyst

Question 41

What is derived from rest of malassez?

Answer 41

- periapical cyst - residual cyst

Question 42

What is derived from reduced enamel epithelium?

Answer 42

dentigerous cyst & eruption cyst

Question 43

What is the best treatment for a 60 year old man whose cystic infection spreads to the lower border of the mandible?

Answer 43

Marsupialization - refers to creating a surgical window in the wall of a cyst and evacuation of cystic contents

Question 44

If you perform enucleation in there anterior maxillary palate region, you have his of causing an oro-antral communication:

Answer 44

True

Question 45

Which treatment creates a surgical window?

Answer 45

marsupilizaiton

Question 46

Which treatment involves the use of a rotary instrument to remove bone adjacent to the cystic lining for removal of all residual epithelium/daughter cysts?

Answer 46

Enucleation + peripheral ostectomy

Question 47

What is the most common type of ameloblastoma you will see in your office?

Answer 47

Multicystic ameloblastoma

Question 48

Which surgical resection does NOT disrupt the continuity of the bone?

Answer 48

Marginal resection

Question 49

Most common developmental odntogenic cyst:

Answer 49

dentigerous if not then OKC!

Question 50

Compound odontoma will rarely create teeth-like structures. Complex odontoma found in posterior of jaw.

Answer 50

False; True

Question 51

What has soap bubble appearance radiographically?

Answer 51

multi-cystic ameloblastoma

Question 52

Treatment of AOT?

Answer 52

Surgical enucleation

Question 53

Where does multi cystic ameloblastoma like to hang out?

Answer 53

mandibular ramus

Question 54

Where does cementoblastoma like to hang out?

Answer 54

mandibular first molar region