PERIAPICAL RADIOPACITIES Flashcards
Periapical Radiopacities
(6)
- Periapical sclerosing osteitis
- Idiopathic Osteosclerosis
- Periapical Cemento-osseous Dysplasia
- Focal Cemento-osseous Dysplasia
- Cementoblastoma
- Hypercementosis
Periapical Sclerosing Osteitis
* aka
Condensing Osteitis
Periapical Sclerosing Osteitis
(5)
- Apex of non-vital tooth
- Chronic inflammatory process
- Reactive bone deposition
- May be apical radiolucency
- Often asymptomatic
Osteosclerosis
aka
Dense Bone Island
Osteosclerosis
(5)
- Unknown etiology
- Usually solitary
- Painless, non-expansile
- Mandible – premolar/molar region
- Vital tooth
Fibro-Osseous Lesions
Cemento-Osseous Dysplasia
(3)
Periapical Cemento-Osseous Dysplasia
Focal Cemento-Osseous Dysplasia
Florid Cemento-Osseous Dysplasia
Periapical Cemento-Osseous Dysplasia
(5)
- etiology unknown
- mainly involves lower incisors
- 3 stages of development
- self-limiting condition
- middle-aged African American, Asian females
Periapical Cemento-Osseous Dysplasia
Most common in
— lesions
RO, RL?
—defined margins
— discontinuous
Larger lesions may
Vitality
anterior mandible
Single or multiple
Radiolucent, mixed, radiopaque
Well
Radiolucent rim with possible sclerotic border
Lamina dura
expand cortex
Teeth vital
Periapical Cemento-Osseous Dysplasia
tx
none
Focal Cemento-Osseous Dysplasia
— lesion
Most common in
RL, RO?
Most common appearance:
May progress to
Solitary
posterior mandible
Radiolucent, mixed, radiopaque
mixed lucent/opaque
more widespread form
— may be associated
with some cemento-osseous dysplasia
lesions.
Traumatic bone cysts
Cementoblastoma
* Age
* Gender
* Where
* — lesion; —
* RL, RO?
*
* Vitality?
Wide age range; young adults
Males > Females
Mandibular premolar, first molar
Solitary, expansile
Radiopaque or mixed density with radiolucent rim
Attached to root; external root resorption
Vital tooth; often painful
Hypercementosis
etiology
roots
PDL?
vitality?
Etiology unknown
Bulbous-shaped roots
Intact PDL space, lamina dura
Teeth are vital
