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CARIOLOGY > Lecture 4 (Histopathology of Dental Caries) > Flashcards

Lecture 4 (Histopathology of Dental Caries) Flashcards

1
Q

What are the essential factors for caries to occur:

A
  • host saliva
  • individual factors
  • microorganisms
  • substrate for microorganism
  • duration and frequency of exposure
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2
Q

is where microorganisms act on and form the biofilm.

A

fermentable substrate

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3
Q

given a certain amount of time, the biofilm stays on the tooth and will form ____.

A

Caries

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4
Q

Follow the inverted V-shape progression of the base is at the DEJ

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Pits and Fissure Caries

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5
Q

it becomes wider as it goes to the DEJ, and narrower at the enamel surface

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Pits and Fissure Caries

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6
Q

may appear as a line on the tooth’s surface

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Pits and Fissure Caries

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7
Q

when drilled, there is a big area of infected dentin

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Pits and Fissure Caries

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8
Q

when the carious groove is opened, it becomes wider

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Pits and Fissure Caries

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9
Q

V-shaped

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Smooth Surface Caries

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10
Q

apex is at the DEJ

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Smooth Surface Caries

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11
Q

wider at the enamel surface and narrower at the DEJ

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Smooth Surface Caries

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12
Q

seen in Class V caries on the labial surface

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Smooth Surface Caries

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12
Q

may appear as a wide area

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Smooth Surface Caries

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13
Q

when drilled, there is not much destruction

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Smooth Surface Caries

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14
Q

U-shaped

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Root Caries

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15
Q

base is on the surface of the root

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Root Caries

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16
Q

be mindful of these caries because the cementum is soft

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Root Caries

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17
Q

progression is fast, especially if biofilm is not disturbed

  • Pits and Fissure Caries
  • Smooth Surface Caries
  • Root Caries
A

Root Caries

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18
Q

a lesion is considered to be progressive

  • Active Caries Lesion
  • Inactive/ Arrested Caries Lesion
A

Active caries lesion

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19
Q

What are the characteristics of Active caries lesion:

A
  • rough surfaces
  • biofilm covers the surfaces or plaque accumulation
  • small cavities starting
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20
Q

a lesion that may have formed years previously and then further progression stopped

  • Active Caries Lesion
  • Inactive/ Arrested Caries Lesion
  • Incepient Lesion
A

Inactive or arrested caries lesion

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21
Q

happens to areas where biofilm was disturbed or not anymore accumulated in that certain area

  • Active Caries Lesion
  • Inactive/ Arrested Caries Lesion
  • Incepient Lesion
A

Inactive or arrested caries lesion

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22
Q

happen to areas where hygiene was improved

  • Active Caries Lesion
  • Inactive/ Arrested Caries Lesion
  • Incepient Lesion
A

Inactive or arrested caries lesion

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23
Q

It is seen in remineralized and chronic lesions

  • Active Caries Lesion
  • Inactive/ Arrested Caries Lesion
  • Incepient Lesion
A

Inactive or arrested caries lesion

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24
Q

What are the characteristics of Inactive or arrested caries lesion:

A
  • smooth surfaces
  • clean
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25
Q

if a lesion is not active, action is needed to prevent further progression

TRUE OR FALSE

A

FALSE

if a lesion is not active, no action is needed to prevent further progression

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26
Q

first sign of a caries lesion on enamel

  • Active Caries Lesion
  • Inactive/ Arrested Caries Lesion
  • Incepient Lesion
A

Incipient Lesion

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27
Q

Reversible

  • Active Caries Lesion
  • Inactive/ Arrested Caries Lesion
  • Incepient Lesion
A

Incipient Lesion

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28
Q

Also known as early lesion and white spots lesion

  • Active Caries Lesion
  • Inactive/ Arrested Caries Lesion
  • Incepient Lesion
A

Incipient Lesion

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29
Q

What are the characteristics of Incipient Lesion:

A
  • Small
  • no cavity; the explorer will not penetrate
  • white spots; can be detected by the naked eye
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30
Q

Tooth is attacked by acids in plaque and saliva calcium phosphate dissolve from the enamel in the process of demineralization if the pH is low, in order to balance the acidity.

  • Active Caries Lesion
  • Inactive/ Arrested Caries Lesion
  • Incepient Lesion
A

Incipient Lesion

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31
Q

Fluoride, phosphate, and calcium re-enter the enamel in a process called remineralization if there is good pH.

  • Active Caries Lesion
  • Inactive/ Arrested Caries Lesion
  • Incepient Lesion
A

Incipient Lesion

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32
Q

demineralization and remineralization are occurring simultaneously

  • Active Caries Lesion
  • Inactive/ Arrested Caries Lesion
  • Incepient Lesion
A

Incipient Lesion

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33
Q

demineralized tissue that has been left behind before a filling is placed

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Residual Caries

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34
Q

May be iatrogenic if the dentist fails to see the infected dentin

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Residual Caries

35
Q

have no history of pain in the tooth

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Residual Caries

36
Q

happens when the caries is too deep (pink spot is seen) and the patient is not ready for root canal.

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Residual Caries

37
Q

the dentist leaves a 1mm layer of infected dentin in hopes that the tooth will recover and develop a tertiary dentin barrier after placement of the calcium hydroxide, covering the tooth.

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Residual Caries

38
Q

the dentist leaves a ____ layer of infected dentin in hopes that the tooth will recover and develop a tertiary dentin barrier after placement of the calcium hydroxide, covering the tooth

A

1mm

39
Q

this method is a risky way to save a tooth

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Residual Caries

40
Q

this method is a trend at present

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Residual Caries

41
Q

the dentist must try to really save the tooth before root canal treatment

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Residual Caries

42
Q

once the tooth is endodontically treated, the patient must go through various radical procedures

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Residual Caries

43
Q

used to differentiate lesions on unrestored surfaces from those that develop adjacent to the filling

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Primary Caries

44
Q

also known as recurrent caries

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Secondary Caries

45
Q

caries around the filling

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Secondary Caries

46
Q

caused by failure to floss

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Secondary Caries

47
Q

described lesion in dentin that are missed on a visual examination

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Hidden Caries

48
Q

large enough to be detected radiographically

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Hidden Caries

49
Q

only recognized by the patient when there is pain already

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Hidden Caries

50
Q

usually on proximal areas

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Hidden Caries

51
Q

sound on the occlusal because caries usually starts on contact areas

  • Residual Caries
  • Primary Caries
  • Secondary Caries
  • Hidden Caries
A

Hidden Caries

52
Q

1 surface

A

Simple cavity

53
Q

2 surfaces

A

Compound cavity

54
Q

3 or more surfaces

A

Complex cavity

55
Q

multiple active carious lesions occurring on the same patient

A

Acute/Rampant Caries

56
Q

frequently involve surfaces of teeth that do not usually experience dental caries

ex: labial area

A

Acute/Rampant Caries

57
Q

caries on primary teeth are usually caused by milk

A

Young patients

58
Q

known as bottle or nursing caries

A

Young patients

59
Q

baby caries, or early childhood caries

A

Young patients

60
Q

The sugar on the feeding bottle stays on the mouth for a long time

A

Young patients

61
Q

usually on the anterior teeth

A

Young patients

62
Q

caused by radiation or drug induced

symptoms:pain

A

Adult patients

63
Q

symptoms: mild pain or no pain at all

A

Chronic Caries

64
Q

symptoms: no pain, but has discoloration (dark brown or black) and is smooth

A

Arrested Caries

65
Q

pits and fissure cavities on occlusal surfaces of molars and premolars

A

CLASS I

66
Q

Buccal pits of molars

A

CLASS I

67
Q

lingualpitsofmaxillaryincisors

A

CLASS I

68
Q

Cavities on proximal surfaces of premolars and molars

A

CLASS II

69
Q

Cavities on proximal surfaces of anterior teeth without involving incisal angle

A

CLASS III

70
Q

cavities on proximal surfaces of anterior teeth involving the incisal angle

A

CLASS IV

71
Q

cavities of the gingival third on buccal, labial, and lingual surfaces of all teeth

A

CLASS V

72
Q

incisal edges of incisors

A

CLASS VI

73
Q

cusp tips of canines, molars, and premolars

A

CLASS VI

74
Q

sound tooth

A

Score 0

75
Q

white or brown spot or opacity visible only after air-drying

A

Score 1

76
Q

white or brown spot oropacity visible even without air-drying

A

Score 2

77
Q

not only a faint white spot, it is very visible

A

Score 2

78
Q

surface integrity loss - starts to open

A

Score 3

79
Q

underlying grey shadow

A

Score 4

80
Q

expect that the caries is going to the dentin already

A

Score 4

81
Q

more demineralized areas

A

Score 4

82
Q

distinct cavity

A

Score 5

83
Q

less than half of the tooth

A

Score 5

84
Q

Extensive cavity

A

Score 6

85
Q

reaches half or more than half of the tooth

A

Score 6

CARIOLOGY (8 decks)

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