Final Studyguide

Question 1

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

Streptococcus is the main bacteria that makes up aerobic bacteria.

Answer 1

True; True

Question 2

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

A patient with impaired renal ability has decreased immune function

Answer 2

True; True

Question 3

Incision and drainage is a contraindication for treatment of cellulitis.

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

Answer 3

False; I&D specifically = false but if surgery in general = true

Question 4

Signs of inflatmmation- trismus comes from pterygomandibular.

Answer 4

True

Question 5

18yoM comes to your office- swelling is firm to touch, large radiolucency on X-ray. What is the next step:

Answer 5

Aspirate

Question 6

Which of the following does NOT describe cellulitis:

Answer 6

Localized collection of pus

Question 7

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

Answer 7

Identify and and excise cause of infection

Question 8

Bacteriostatic antiobiotic is better than bacteriocidal.

Answer 8

False- bacteriocidal KILLS

Question 9

A patient comes in with a 5mm ulcerated 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 there is not tumor cells

Question 10

List the PRIMARY MAXILLARY spaces:

Answer 10

Canine
Buccal
Infratemporal

Max says: Carry Buys Igloos

Question 11

List the PRIMARY MANDIBULAR spaces:

Answer 11

Buccal
Sublingual
Submandibular
Submental

Manny like subs and booty

Question 12

List the secondary fascial spaces:

Answer 12

Lateral pharyngeal
Retropharyngeal
Masseteric
Pterygomandibular
Superfical & Deep temporal
Prevertebral

Question 13

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

Answer 13

Buccal space

Question 14

Which of the following does NOT use an extraoral approach to drainage:

Answer 14

Infraorbital - this uses intraoral approach

Question 15

The ___ separates the sublingual and submandibular spaces

Answer 15

Mylohyoid muscle

Question 16

When a patient comes in with swelling and you are unable to palpate the borer of the mandible, what space is most likely involved?

Answer 16

Submandibular

(there is likely fluid under the mandible making you unable to reach it)

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 do not 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 extent 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

1. microbial analysis
2. histological assessment
3. C&S

Question 22

Ludwigs angina spaces:

Answer 22

1. Sublingual
2. Submandibular
3. Submental

NOT SUBMASSENTERIC

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 pan early on
-extensive pain later on

Question 25

Involucrum:

Answer 25

Dead bone surrounded by viable bone 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 osteomyelitis -proliferative periostitis -periostitis ossificans

Question 27

What is the only form of osteomyelitis that you would use a HBO therapy:

Answer 27

Chronic refractory

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 is reccommended initially)

Question 30

What is not part of the surgical treatment for osteomyelitis?

Answer 30

What is: sequstrectomy, saucerization, decortication answer for what is not started with T

Question 31

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

Answer 31

True

Question 32

Indication for excisional biopsy:

Answer 32

(Excisional: total excision of a lesion for microscopic study) 1. slow growing lesions that appear benign on clinical examination 2. removal of entire lesion

Question 33

Indications of incisional:

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 incisonal biopsy? a) 4cm white lesion on the boarder of the tongue b) 1.5cm lesion of papilloma c) a 2cm bony exostosis lesion

Answer 34

4cm white lesion on the boarder of the tongue

Question 35

What size of needle is used for aspiration in our OS department?

Answer 35

18 gauge

Question 36

Biopsy is transported in what medium?

Answer 36

10% formalin

Question 37

Immunofluorescent biopsy is transported in what medium?

Answer 37

Michel's transport medium

Question 38

What is Carboy's solution used to treat?

Answer 38

OKC

Question 39

Why are OKC's recurrent?

Answer 39

Satellite/daughter cells

Question 40

Which one is derived from the dental lamina?

Answer 40

OKC (Also: dental lamina cyst of newborn, lateral periodontal cyst, glandular cyst)

Question 41

What cysts are derived from rests of Malassez?

Answer 41

Periapical cyst Residual cyst

Question 42

What cysts are derived from reduced enamel epithelium?

Answer 42

Dentigerous cyst Eruption cyst

Question 43

What is the best treatment for a 60yoM whose cystic infection spreads to the lower boarder of the mandible:

Answer 43

Marsupialization = Creating a surgical window in the wall of the cyst & evacuation of cystic contents

Question 44

If you perform enucleation in the the anterior maxillary palate region, you have a risk fo causing an oro-antral communication:

Answer 44

True

Question 45

Which treatment creates a surgical window?

Answer 45

marsupialization

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 that 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

Question 49

Most common developmental odontogenic cyst?

Answer 49

Dentigerous cyst if not option OKC

Question 50

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

Answer 50

False; True

Question 51

Which one has soap bubble appearance radiographically?

Answer 51

Multicystic ameloblastoma

Question 52

Treatment of AOT:

Answer 52

surgical enucleation

Question 53

Where does multicystic ameloblastoma like to hangout?

Answer 53

Mandibular ramus

Question 54

Where does cementoblatoma like to hang out?

Answer 54

Mandibular first molar region