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Question 1

2 most important aspects necessary for dx:

Answer 1

cx hx, HNE

Question 2

How to describe localization of abnormality:

Answer 2

localized/ generalized, position in jaw, single or multiofocal, size

Question 3

one of the most common to see in cliniic, man or max, any quadrant, any part of jaw, generalized

Answer 3

Florid cemento-osseous dysplasia

Question 4

bone or periosteum, typically better px?

Answer 4

periphery, not as aggressive

Question 5

Origin of lesion above inferior alveolar nerve canal:

Answer 5

odontogenic

Question 6

Origin of lesion below inferior alveolar nerve canal (IANC):

Answer 6

unlikely odontogenic

Question 7

Central axis;

Answer 7

central, eccentric, within cortex, periosteal, parosteal

Question 8

one of the most common lesions we will see

below canal:

Answer 8

staphne defect, lingual man salivary depression

Question 9

Most lesions above the IANC besides PA lesions:

Answer 9

dentigerous cyts

Question 10

Nodule protruding from man in occlusal rg:

Answer 10

peripheral osteoma

Question 11

Give an example of a peripheral lesion:

Answer 11

peripheral osteoma

Question 12

Give an example of a centrall lesion:

Answer 12

compound odontoma

Question 13

To describe the circular ring around dentigerous cyst:

Answer 13

pericoronal

Question 14

1st thing to do if there is a PA RL:

Answer 14

pulp test

Question 15

Most common cyst in oral cavity:

Answer 15

Periapical cyst

Question 16

Multiple periapical RGL, suspect this:

Answer 16

periapical cemento-osseous dysplasia

Question 17

periapical cemento-osseous dysplasia:

Answer 17

multiple teeth affected, common, especially in A-A females, RGL in periapical area - do pulp test, tooth is vital in PCOP, don’t treat, just follow patient

Question 18

Mesure cysts in mm or cm?

Answer 18

cm

Question 19

2nd most common odontogenic tumor in oral cavity, above canal, large

Answer 19

ameloblastoma

Question 20

Staphne defect affects this gland:

Answer 20

lingual mandibular salivary gland

Question 21

To dx staphne defect:

Answer 21

well defined, unilocular, RGL below the IANC in the posterior mandible

Question 22

Well defined borders, most likley benign or malignant?

Answer 22

benign

Question 23

Characteristics of benign lesions;

Answer 23

well define borders, smooth, regular, corticated

Question 24

Characteristics of malignant lesions;

Answer 24

ill-defined borders, ragged, moth-eaten, poorly marginated

Question 25

TF? No aggressive lesions have well defined borders.

Answer 25

F

Question 26

Ameloblastoma, benign or malignant?>

Answer 26

benign

Question 27

2 things to always included in Ddx w ill defined borders:

Answer 27

osteomyelitis (especially w ClHx), malignant lesion

Question 28

Well defined borders are a sign of;

Answer 28

slow growing, benign process

Question 29

Can ill defined borders be seen in osetomyelitus?

Answer 29

yes, and can have the appearance of being malignant

Question 30

**heart shaped RGL bw CI roots:

Answer 30

always associated with nasopalatine duct cyst (check)

Question 31

Type of multilocular lesions:

Answer 31

soap-buble, honeycomb, tennis racket, step ladder

Question 32

Radiopacity indicates inc:

Answer 32

mineralization

Question 33

lesion with homogenous appearance:

Answer 33

condensing osteitis

Question 34

lesion with ground glass appearance:

Answer 34

Fibrous dysplsia

Question 35

lesion with cotton wool appearance:

Answer 35

Pagets disease

Question 36

lesion with calcific spherules/masses appearance:

Answer 36

compound odontoma

Question 37

lesion with radiolucent rim appearance:

Answer 37

cementoblastoma

Question 38

lesion with sunburst or sun ray appearance:

Answer 38

osteosarcoma

Question 39

expansion, sclerotic borders, possible erosion of cortical bone if aggressive are assoc w:

Answer 39

benign lesions

Question 40

Cortical bone erosion and destruction are assoc w:

Answer 40

malignant lesions

Question 41

Lesions that present as punched out borders:

Answer 41

Langerhans cells histiocytosis, multiple myeloma

Question 42

Langerhans cells histiocytosis, multiple myeloma:

Answer 42

sharply define, punched out border, sharp transiiont bw lesion and bone, lack of sclerotic rim

Question 43

Effect of benign lesion (amelolabstoma) on the inferior alveolar nerve:

Answer 43

displacement mandibular canal, no neuro-sensory deficits

Question 44

Effect of mal lesion (SCCa) on the inferior alveolar nerve:

Answer 44

invasion and destruction of canal, anesthesia, parathesia

Question 45

Path that can lead to “floating teeth”

Answer 45

Langerhans cells histiocytosis

Question 46

Pattern of tooth displacement w benign lesions:

Answer 46

separation of apex of roots

Question 47

How to differentiate bw dentigerous cysts\ and ameloblastoma:

Answer 47

ameloblastoma is below the IANC

Question 48

Complex odontoma;

Answer 48

RGO, well defined

Question 49

Bengn lesion effect on roots:

Answer 49

horizontal, scallping (check)

Question 50

Malignant lesion on tooth root

Answer 50

more variable, spiked root

Question 51

Localized oot destruction is usually assoc w:

Answer 51

pressure resortption from slowly growing lesions or benign neoplasms such as ameloblatsom

Question 52

How to tell the difference bw PA cyst and PA granuloma vai RG:

Answer 52

impossible