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Oral Pathology 2020 > Chapter 3 Pulpal and periapical disease > Flashcards

Chapter 3 Pulpal and periapical disease Flashcards

1
Q

Do you need a root canal to treat reversible pulpitis?

A

-No

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2
Q

What are four sequelae of periapical pathology?

A
  • Sinus tract
  • Osteomyelitis
  • Cellulitis
  • Condensing osteitis
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3
Q

If you have a non vital pulp with a PA abscess that is an acute inflammation with drainage what do you have?

A

-Sinus tract

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4
Q

What is a periapical cyst from?

A

-Rest of malassez

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5
Q

What is the earliest change of a periapical pathology?

A

-Widening of the PDL (lamina dura)

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6
Q

What are the four localized periapical pathologies?

A
  • Periapical granuloma
  • Apical periodontal cyst
  • Periapical abscess
  • Periapical scar
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7
Q

What is the most common periapical pathosis?

A

-Periapical granuloma (aka apical periodontitis)

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8
Q

What type of inflammation is a periapical granuloma associated with?

A

-Chronic

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9
Q

What is a secondary acute inflammatory changes within a periapical granuloma?

A

-Phoenix abscess

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10
Q

What does a periapical granuloma appear as radiographically?

A
  • Radiolucent lesion
  • Symmetrical
  • Well defined
  • Variable in size
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11
Q

How do you treat a periapical granuloma?

A
  • Conventional endodontic treatment
  • Surgical endodontic treatment
  • Extraction
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12
Q

What do you get if you have inflammatory stimulation of epithelium in the area (rests of malassez)?

A

-Periapical cyst

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13
Q

What does a periapical cyst appear as radiographically?

A
  • Radiolucent
  • Symmetrical
  • Well defined
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14
Q

What is an accumulation of acute inflamatory cells at the apex of a nonvital tooth?

A

-Periapical abscess

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15
Q

What does an abscess appear as histologically?

A

-full of neutrophils

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16
Q

What is it known as when the defect created by periapical inflammatory lesions that may fill with dense collagenous tissue?

A

-Periapical Scar

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17
Q

What is the classic pattern of an apical periapical cyst?

A

Found at the root tip

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18
Q

What is the lateral periapical cyst?

A

-Found on the side of the root

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19
Q

What is a residual periapical cyst?

A

-Cyst that remains after tooth has been extracted due to prior infection

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20
Q

If you have a spiderweb pattern at the root of the tooth in a histologic slide what do you have?

A

-Periapical cyst

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21
Q

T/F A periapical abscess may be symptomatic or asymptomatic

A

True

22
Q

When does a periapical scar most commonly occur?

A

-Surgical endodontic therapy

23
Q

T/F Periapical scars occur when the facial and lingual cortical plates have been lost?

A

-True

24
Q

If you have an ill-defined radiolucent lesion in the periapical region what do you think of?

A

-Periapical abscess

25
Q

Chronic hyperplastic pulpitis is what?

A

-When the inflammation in the pulp is a mass that comes out of the coronal portion of the tooth

26
Q

Epulis granulomatosa is what?

A

-Hyperplastic granulation tissue coming out of an extraction site within days of extraction (this appears similar to metastatic cancer)

27
Q

What are two common forms of cellulitis?

A
  • Ludwigs angina

- Cavernous sinus thrombosis

28
Q

What is a sinus tract?

A

-Periapical abscess with pus formation

29
Q

T/F Sinus tracts (fistula) tend to follow the path of least resistance

A

True

30
Q

An intraoral sinus tract is also known as what?

A
  • Parulis

- Gum boil

31
Q

What are the two types of intraoral sinus tract?

A
  • Hole with surrounding redness

- Enlarged nodular mass

32
Q

What is a cutaneous sinus tract?

A

-Typically an enlarged nodular mass

33
Q

What teeth usually cause a cutaneous sinus tract?

A

-Mandibular teeth

34
Q

What does osteomyelitis result in?

A
  • Expanding lytic destruction
  • Suppuration
  • Sequestra formation
35
Q

When do most cases of osteomyelitis arise from?

A

-Odontogenic infections or traumatic fracture

36
Q

Where in the arch do most cases of osteomyelitis occur?

A

-Mandible

37
Q

What type of osteomyelitis doesn’t produce xray changes?

A

-Acute

38
Q

In acute infection fragments of necrotic bone may become surrounded by new, vital bone is known as what?

A

-Involucrum

39
Q

What is inflammation of the soft tissue spaces known as?

A

-Cellulitis

40
Q

T/F The purulence is unable to establish a drainage point in cellulitis

A

True

41
Q

Where does Ludwig’s angina occur?

A

-Cellulitis of the submandibular region

42
Q

Rapid swelling of the sublingual, submandibular, and submental spaces is associated with what?

A

-Ludwig’s angina

43
Q

What can occur with ludwigs angina?

A

-May extend to the spaces around the throat and close off the airway leading to death

44
Q

If you have ludwigs angina in the submandibular space what does spread of the infection cause?

A

-Enlargement and tenderness of the neck

45
Q

If the sublingual space is involved in ludwigs angina what occurs?

A

-Swelling and elevation of the tongue

46
Q

What leads to cavernous sinus thrombosis?

A

-Abscess of a maxillary anterior or premolar tooth

47
Q

What is the most often source of the infection for cavernous sinus thrombosis?

A

-Canine

48
Q

What does a cavernous sinus thrombosis appear as?

A
  • Edematous periorbital enlargement

- Swelling present along the lateral border of the nose

49
Q

What is condensing osteitis aka?

A

-Focal sclerosing osteomyelitis

50
Q

What is a localized area of bone sclerosis assocaited with apices of teeth with pulpitis?

A

-Condensing osteitis

51
Q

In an xray is condensing osteitis separated from apex of the tooth?

A

-No it is not separated

52
Q

If a tooth is asymptomatic and appears like condensing osteitis what else might it be?

A

-Idiopathic osteosclerosis

Oral Pathology 2020 (38 decks)

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