Exam 1 - Radiolucent or Mixed Lesions

Question 1

What are the 4 Radiolucent or mixed lesions

Answer 1

Benign odontogenic cyst or tumor with calcification
Paget disease of bone
Fibro-osseous lesions
Osteoblastoma

Question 2

What are the 3 fibro-osseous lesions

Answer 2

Fibrous dysplasia
Cemento-osseous dysplasia
Central ossifying fibroma

Question 3

What are the varients of cemento-osseous dysplasia

Answer 3

Focal
Periapical
Florid

Question 4

Mostly RL with developed RP over time, asymptomatic or with slow growth/ swelling, unilocular or multilocular

Answer 4

Benign odontogenic cyst or tumor with calcification

Question 5

What Benign odontogenic cyst or tumor with calcification is identical to a complex odontoma

Answer 5

Ameloblastic fibro odontoma

Question 6

“Osteitis deformans”

Answer 6

Paget disease of bone

Question 7

Increased or uncontrolled bone remodeling = thickened but distorted and weakened bones

Answer 7

Paget disease of bone

Question 8

Bone pain and possible fractures

Answer 8

Paget disease of bone

Question 9

How is Paget disease of bone polyostotic

Answer 9

Effects multiple bones - pelvis, femur, lumbar vertebrae, skull (hat doesn’t fit), tibia

Question 10

Is Paget disease of bone more common in the maxilla or mandible

Answer 10

maxilla

Question 11

Dentures don’t fit and there is space between the teeth

Answer 11

Paget disease of bone

Question 12

Deaf and blindness is associated with

Answer 12

Paget disease of bone

Question 13

with Paget disease of bone there is an increased total serum

Answer 13

alkaline phosphatase (osteoblastic activity)

Question 14

Patch sclerosis –> cotton wool appearance

Answer 14

Paget disease of bone

Question 15

Extensive hypercementosis of teeth

Answer 15

Paget disease of bone

Question 16

What is the treatment for Paget disease of bone

Answer 16

NSAIDs
Bisphosphonates

Question 17

Increased risk of ___ with Paget disease of bone

Answer 17

osteosarcoma

Question 18

When normal bone turns into fibrous tissue with a mineralized product

Answer 18

Fibro-osseous lesions

Question 19

How do you tell the three fibro-osseous lesions apart microscopically

Answer 19

They all look very similar microscopically

Question 20

What are the three fibro-osseous lesions

Answer 20

Fibrous dysplasia
Cemento-osseous dysplasia
Central ossifying fibroma

Question 21

G-protein gene mutation that presents in the 2nd or 3rd decade

Answer 21

Fibrous dysplasia

Question 22

Is fibrous dysplasia monostotic or polyostotic

Answer 22

Monostotic (one bone)
When polyostotic : cafe au lait pigmentation and endocrine problems

Question 23

Is there pain or swelling in fibrous dysplasia

Answer 23

Painless swelling

Question 24

Ground glass pattern with blending margins

Answer 24

fibrous dysplasia

Question 25

What is the treatment for fibrous dysplasia

Answer 25

conservative management surgical reduction DO NOT do a resection

Question 26

What are the three variants of cemento-osseous dysplasia

Answer 26

Focal Periapical Florid

Question 27

Common in middle age females and blacks

Answer 27

cemento-osseous dysplasia

Question 28

Small before radiopacity is present then they cover multiple teeth

Answer 28

cemento-osseous dysplasia

Question 29

Is there pain or swelling in cemento-osseous dysplasia

Answer 29

Painless

Question 30

Well defined with irregular border

Answer 30

cemento-osseous dysplasia

Question 31

Tissue is easily fragmented, gritty, red/brown tissue

Answer 31

cemento-osseous dysplasia

Question 32

Is there root resorption in cemento-osseous dysplasia

Answer 32

NO root resorption

Question 33

Are teeth non vital or vital in cemento-osseous dysplasia

Answer 33

Teeth are vital!

Question 34

cemento-osseous dysplasia is often misdiagnosed as a

Answer 34

periapical cyst/granuloma

Question 35

Dont do endo on

Answer 35

cemento-osseous dysplasia Teeth are vital !

Question 36

How to treat cemento-osseous dysplasia

Answer 36

follow radiographically

Question 37

Focal cemento-osseous dysplasia

Answer 37

Solitary posterior mandible

Question 38

Focal cemento-osseous dysplasia may mimic

Answer 38

Central ossifying fibroma

Question 39

Periapical cemento-osseous dysplasia

Answer 39

Multiple lesions anterior mandible doesn't move teeth

Question 40

Florid cemento-osseous dysplasia

Answer 40

Bilateral mandible (anterior and posterior) can affect all 4 quads

Question 41

Unilocular neoplasm, central RP with RL periphery

Answer 41

Central ossifying fibroma

Question 42

Potato like mass

Answer 42

Central ossifying fibroma

Question 43

Central ossifying fibroma is more common on which arch

Answer 43

Mandible (especially posterior region)

Question 44

Is there pain or swelling in Central ossifying fibroma

Answer 44

small - no symptoms large - painless swelling

Question 45

Does Central ossifying fibroma cause root resorption

Answer 45

Yes - divergence and resorption of roots

Question 46

Treatment for Central ossifying fibroma

Answer 46

enucleation

Question 47

Benign bone tumor that is RL and mixed

Answer 47

Osteoblastoma

Question 48

Osteoblastoma is histologically identical to

Answer 48

cementoblastoma But NOT fused to a tooth root

Question 49

Is there pain or swelling in osteoblastoma

Answer 49

Dull pain and expansion

Question 50

How old are patients with osteoblastoma

Answer 50

<30

Question 51

Random calcification (not RP in middle); mixed lesion : RL lesion with patch/diffuse mineralization

Answer 51

osteoblastoma

Question 52

2-4 cmm and up to 10 cm

Answer 52

osteoblastoma

Question 53

Treatment for osteoblastoma

Answer 53

local excision or curettage