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Endodontics 2020 > Periapical pathology Test #2 > Flashcards

Periapical pathology Test #2 Flashcards

(42 cards)

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1
Q

What changes occur in the periapical tissues as a consequence of pulpal necrosis?

A

-Pathological

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2
Q

The interaction between the pulpal irritants and the host defense results in what?

A

-Activation of an extensive array of reactions to protect the host

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3
Q

What does resorption prevent in periapical pathology?

A

-Osteomyelitis

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4
Q

The reactions in periapical pathology are complex and usually mediated by what?

A
  • Nonspecific mediators of inflammation

- Specific immune reactions

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5
Q

What are some inflammatory mediators?

A
  • Vasodilation
  • Increase vascular permeability
  • Recruit inflammatory cells from blood ciruclation
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6
Q

What does SAP stand for?

A

-Symptomatic apical periodontitis

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7
Q

What does AAP stand for?

A

-Asymptomatic apical periodontitis

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8
Q

What does AAA stand for?

A

-Acute apical abcess

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9
Q

What does CAA stand for?

A

-Chronic apical abcess

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10
Q

In SAP the first extension of pulpal inflammation goes where?

A

-Periradicular tissues

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11
Q

What are the irritants that cause SAP?

A
  • Inflammatory mediators from irreversible pulpitis
  • Bacterial toxins from necrotic pulp
  • Chemicals
  • Hyperocclusion
  • Overistrumentation
  • Overextension of obturation material
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12
Q

What is liquefactive necrosis?

A

Pus

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13
Q

What are the signs and symptoms of SAP?

A
  • Spontaneous pain
  • Acute pain to biting or percussion
  • Hot, cold or electric sensitivity
  • May or may not respond to pulp vitality tests
  • May or may not have PA radiolucency
  • Widened (thickened) PDL
  • PMNs/macrophages
  • Liquefaction necrosis
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14
Q

What is the treatment for SAP that is vital?

A
  • Remove irritant (reduce occlusion, time)

- RCT

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15
Q

What is the treatment for necrotic SAP?

A

-RCT

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16
Q

What causes AAP?

A

-Pulpal necrosis

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17
Q

What is AAP a sequel to?

18
Q

Is AAP chronic or acute?

19
Q

T/F AAP is generally asymptomatic

20
Q

What are the signs and symptoms of AAP?

Study These Flashcards
A
  • Little or no pain
  • No response to pulp vitality tests
  • Slightly sensitive to palpations
  • Widened PDL to extensive lesion
  • Granuloma
  • Apical cyst
21
Q

What is an apical cyst?

Study These Flashcards
A

-Stratified squamous epithelium surrounded by CT containing all cellular components found in granuloma

22
Q

What do you see in a granuloma?

Study These Flashcards
A
  • PMNs
  • Mast cells
  • Macrophages
  • No epithelium
23
Q

What percent of AAP signs are granulomas?

24
Q

What percent of AAP signs are cysts?

25
What signs of AAP are scars?
12%
26
What is the treatment of AAP?
-Remove cause by RCT or extraction
27
What is a variant of AAP?
-Condensing osteitis
28
What type of bone do you get an increase of in condensing osteitis?
-Trabecular bone
29
T/F Condensing osteitis usually goes away following RCT
True
30
What causes AAA?
-Localized or diffuse liquefaction lesion of pulpal origin
31
What does AAA destroy?
-Periapical tissues
32
What type of pulp do you see with AAA?
-Necrotic
33
What is an abscess within a granuloma associated with?
AAA
34
What are the signs and symptoms of AAA?
- Rapid onset of acute spontaneous pain to percussion, biting, and palpation - Moderate to sever discomfort and swelling - Pus - Surrounding the abscess is granulomatous tissue - Lymphadenophy - Periapical radiolucency - No response to pulp vitality tests - Varying degree of mobility - Frequently febrile
35
What is the treatment of AAA?
- RCT eventually' | - Possible incision and drainage
36
What is the cause if CAA?
-Inflammatory lesion of pulpal origin
37
What do you see in the histology of CAA?
-Same as AAA
38
What are the signs and symptoms of CAA?
- Generally asymptomatic - Not sensitive to biting - May feel different to percussion - No response to pulp vitality tests - Apical radiolucency - Mucosal or facial sinus tract (they will have some kind of intra or extra oral draining sinus tract)
39
What periapical pathology will have some kind of intra or extra oral draining sinus tract?
-CAA
40
What is the most common cuase of the intermittently suppurating cutaneous sinus tract in the face and neck?
-Chronic dental infection
41
What is the treatment for CAA?
-RCT
42
What pulpal pathologies do you do RCT on?
- Hyperplastic pulp - Irreversible pulpitis - Necrotic pulp - SAP - AAP - AAA - CAA - Condensing osteitis

Endodontics 2020 (20 decks)

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