4/1: Periapical Radiopacities

Question 1

What is condensing osteitis found in?

Answer 1

Apex of nonvital tooth
- chronic inflammatory process

Question 2

Is condensing osteitis symptomatic?

Answer 2

Asymptomatic

Question 3

Answer 3

Condensing osteitis
- body forms area of sclerotic bone around abscess but thats bodies way of walling off infection

Question 4

Answer 4

Condensing osteitis
- ill defined lesion
- PA sclerosing osteitis
- small radiolucency

Question 5

DDx

Answer 5

Condensing osteitis or periapical sclerosing osteitis

Question 6

Answer 6

Osteosclerosis or DBI

Question 7

Where is DBI/osteosclerosis found?

Answer 7

Mandible - premolar/molar region

Question 8

Is DBI/osteosclerosis in a vital or nonvital tooth?

Answer 8

Vital

Question 9

Answer 9

DBI or osteosclerosis

Question 10

Answer 10

Osteosclerosis or DBI

Question 11

Answer 11

Osteosclerosis or DBI

Question 12

Answer 12

Osteosclerosis or DBI
- may see external root resorption (particularly involveing lower 1st molars) - when see this associate w/ osteosclerosis the pulp is usually healthy -> no tx

Question 13

Answer 13

Osteosclerosis or DBI
* may see external root resorption (particularly involveing lower 1st molars) - when see this associate w/ osteosclerosis the pulp is usually healthy -> no tx

Question 14

Answer 14

Osteosclerosis or DBI

Question 15

What teeth does periapical cemento-osseus dysplasia affect?

Answer 15

Lower incisors

Question 16

What population is cemento-osseus dysplasia found in?

Answer 16

African americans/asian females

Question 17

Answer 17

PA cemento-osseous dysplasia

Question 18

Answer 18

PA cemento-osseous dysplasia

Question 19

Describe the appearance of PA cemento-osseous dysplasia

Answer 19

radiolucent rim with possible sclerotis border
LD discontinuous

Question 20

Are PA cemento-osseous dysplasia teeth vital or non vital?

Answer 20

Vital

Question 21

Answer 21

PA cemento-osseous dysplasia

Question 22

Answer 22

PA cemento-osseous dysplasia

Question 23

Answer 23

PA cemento-osseous dysplasia

Question 24

Answer 24

PA cemento-osseous dysplasia

Question 25

Where is focal cemento-osseous dysplasia commonly found?

Answer 25

Posterior mandible

Question 26

Answer 26

focal cemento-osseous dysplasia

Question 27

Answer 27

focal cemento-osseous dysplasia

Question 28

What can be associated with periapical cemento-osseous dysplasia?

Answer 28

Simple bone cyst

Question 29

Answer 29

Focal cemento-osseous dysplasia RL area of lesion is getting larger RP area of lesion may look like its getting smaller * sign of formation of simple bone cyst * can get larger than original PA cementosseous dysplasia lesion was

Question 30

Describe the appearance of cementoblastoma?

Answer 30

Radiolucent rim Attached to root of tooth; external root resorption

Question 31

Is cementoblastoma in a vital or nonvital tooth?

Answer 31

Vital

Question 32

Answer 32

Cementoblastoma

Question 33

Answer 33

Cementoblastoma - round shape - attaches to the roots of teeth

Question 34

Answer 34

Cementoblastoma

Question 35

Answer 35

Cementoblastoma - distinct RL border - involving roots but doesnt look absorbed

Question 36

Answer 36

Cementoblastoma - concentrically expanding

Question 37

What is hypercementosis?

Answer 37

excess deposition of cementum - teeth are vital

Question 37

Answer 37

Hypercementosis

Question 38

Answer 38

Hypercementosis

Question 39

What two things can hypercementosis be associated with?

Answer 39

1. Paget's disease 2. Hyperpituitaryism (acromegaly)

Question 40

DDx

Answer 40

non vital = PA inflammatory disease vital = PA cemento-osseus dysplasia

Question 41

DDx

Answer 41

osteosclerosis, cementoblastoma, periapical sclerosing osteitis - with cementoblastoma the lesion grows concentrically and we would expect to see B-L expansion