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90 Cards in this Set

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"How much wood can a woodchuck chuck?" depends on what three factors?
1. Woodchuck's apetite
2. Composition of wood being chucked
3. Speed of chucking
An early stage tooth crypt has the following properties:

Occurs from birth to adolescence
May look like pathology
(uni/bi)lateral, corticated (RL/RO) with 'circumflex' radiopacity
(crown/root) formation incomplete
bilateral, RL, root
Stafne's bone cyst is another name for ___
developmental lingual mandibular/salivary gland depression
Stafne's bone cysts occurs on the (buccal/lingual) of the (anterior/posterior) mandible
lingual, posterior
True or False, Stafne's bone cyst is pathologic
False... tricky...
Stafne's bone cyst is (superior/inferior) to the mylohyoid ridge and mandibular canal
inferior
What should be used to treat a developmental lingual mandibular/salivary gland depression?
nothing, no treatment req.
Fibrous healing defects are periapical (RO/RL) associated with root canal treatment
RL
A patient walks in and you take a radiograph. You notice he recently had a root canal on #10 and there appears to be a RL line around the periapical region of the tooth. The patient says there is no pain there. What is wrong? How should you treat it?
fibrous healing defect, no treatment
Radiolucent lesions are also called what?
rarefying osteitis
Radiopaque lesions are also called what? (3 different terms)
sclerosing osteitis, condensing osteitis, focal sclerosing osteitis
(acute/chronic) periapical lesions tend to be more painful
acute
Inflammatory response of the PDL to pulpal irritation due to trauma or via root canal is called what?
apical periodontitis
(vital/non-vital) tooth is also known as reversible pulpitis
vital
What is the primary inflammatory infiltrate in apical periodontitis?
lymphocytes
True or False, apical periodontitis may not show any abnormal radiographic findings
true
A (narrow/wide) PDL space indicates pulp necrosis
wide
What is one main treatment option for non-vital teeth with acute apical periodontitis?
RCT
True or False, acute apical periodontitis causes pain with hot and cold, but not percussion
False, there is percussion pain
(acute/chronic) apical periodontitis presents with pain
acute
True or False, apical abscesses tend to form and lie dormant without spreading
false, they spread through the periapical foramen into the periapical tissues
A painful, localized collection of ___ causes pus formation at the root apex with an apical abscess
neutrophils
Which comes first; pain from an apical abscess or radiographic evidence of the abscess?
pain
Erosion of cortical bone is typically seen ___ days after an apical abscess forms
10
Which of these are acceptable treatments for an apical abscess

A. drainage
B. antibiotics
C. RCT
D. extraction
All of these! Depends on the stage, severity, etc.
Chronic apical abscess, apical granuloma, apical cyst, and apical condensing osteitis are all associated with (vital/non-vital) teeth
non-vital
A periapical ____ is an advanced form of chronic apical periodontitis
granuloma
What symptoms are associated with periapical granulomas?
It is asymptomatic
True or False, if a percussion test is negative, then the person cannot have a periapical granuloma
False, a patient may have a negative percussion test and still have this
A discrete focus of chronically inflamed granulation tissue that forms in the bone at the tooth apex is what?
periapical granuloma
Periapical granulomas will appear less than __ cm in diameter
1cm
Periapical granulomas are (RO/RL)
RL
A true cyst is lined with what type of cells?
stratified squamous epithelium
True or False, periapical cysts (radicular cysts) are painless unless they are infected
True
periapical cysts originate from what?
apical granulomas
Periapical cysts expand (quickly/slowly)
slowly
periapical cysts will appear larger than __ cm
1
True or False, periapical cysts tend to form without effecting the actual integrity of the root itself, only the surrounding bone
False, over time, the root will resorb
What is the name for a small proliferation of granulation tissue?
parulis (gum boil)
True or False, in chronic periapical abscesses, the infection spreads to slowly that the tooth shows virtually no clinical symptoms
false, the tooth might be loose or tender to percussion
If someone has chronic apical abscess without fistula, then their ___ died naturally
pulp
Apical condensing osteitis is also called what?
focal sclerosing osteomyelitis
What are the causes of apical condensing osteitis?
pulpitis or pulpal necrosis
With apical condensing osteitis, the tooth is (vital/non-vital)
non-vital
apical condensing osteitis appear as (RO/RL) masses of sclerotic bone
RO
With apical condensing osteitis, (the entire/half/none of) root is visible
the entire
A patient's radiograph shows a wide PDL, indistinct LD, sclerotic border, and hyercementosis around tooth # 19. What is the most likely diagnosis?
apical condensing osteitis
True or False, Idiopathic Osteosclerosis requires a RCT
False, no treatment required
Where does Idiopathic Osteosclerosis usually occur?
canine-premolar region
With Periapical Cemental Dysplasia, the teeth are (vital/non-vital)
vital
Periapical Cemental Dysplasia is a benign, reactive, (fast/slow) growling lesion, connective proliferation thought to originate from cellular elements in the ___
slow, PDL
With Periapical Cemental Dysplasia, there is destruction of the ___ in periapical region, replacement of normal bone with fibrous tissue (RL), and cementum or osseous material (RO)
lamina dura
The following describes which stage of Periapical Cemental Dysplasia?

Widening of PDL space, destruction of LD, or well defined RL lesion

A. Early
B. Mixed
C. Late
A. Early
The following describes which stage of Periapical Cemental Dysplasia?

RL and RO

A. Early
B. Mixed
C. Late
B. Mixed
The following describes which stage of Periapical Cemental Dysplasia?

more mature, RO mass with thin RL borders

A. Early
B. Mixed
C. Late
C. Late
What is the ideal treatment for Periapical Cemental Dysplasia?
None, no treatment required
Hypercementosis is caused by excess deposition of what?
cementum
Hypercementosis causes (shrinkage/enlargement) of the root
enlargement
Hypercementosis makes extractions (harder/easier)
harder
What are the clinical symptoms of Hypercementosis?
There are none!
Hypercementosis is also called what?
cementum hyperplasia
Hypercementosis usually occurs around the (coronal/apical) portion of the root
apical
With a Cementoblastoma, the tooth is (vital/no-vital)
vital
If a tooth has a large mass of cementum or cementum-like tissue on the root, it is likely what?
Cementoblastoma
A Cementoblastoma is (fast/slow) growing
slow
Cementoblastoma occur before what age? (normally)
25
True or False, a Cementoblastoma only surrounds the root
False, it ALSO replaces the root itself!
A Cementoblastoma is RO with a (RO/RL) periphery
RL
What is this known as? (the tooth in the depression)
early stage tooth crypt
This is known as ___ bone cyst or what other name?
Stafne's

Developmental Lingual Mandibular/Salivary Gland Depression
What is this known as? (periapical region around the right tooth)
fibrous healing defect
What is this?
fibrous healing defect
What is this lesion?
acute apical periodontitis
What is this lesion?
periapical granuloma
What is this lesion?
periapical granuloma
What is this lesion?
periapical cyst
What is this lesion?
apical cyst
What is this lesion?
apical cyst
Is this RL spot normal or a cyst?
normal
What is this lesion?
Apical condensing osteitis
What is this lesion?
Idiopathic osteosclerosis
What is this lesion?
idiopathic osteosclerosis
What is this lesion? (same in all pictures)
periapical cemental dysplasia
What is this lesion? (orange and blue)
orange - early stage periapical cemental dysplasia

blue - late stage periapical cemental dysplasia
What is this lesion? (look at both roots)
Hypercementosis
What is this lesion?
hypercementosis
What is this lesion?
Hypercementosis
What is this lesion?
Hypercementosis
What is this lesion?
Cementoblastoma
What is this lesion?
Cementoblastoma