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Oral Pathology 2nd Year > Developmental Disturbances > Flashcards

Developmental Disturbances Flashcards

1
Q
A

Bilateral cleft lip

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2
Q
A

Cleft palate

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3
Q
A

Bifid Uvula

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4
Q

What difficulties can cleft lip/palate cause?

A

difficulty speaking, eating, especially babies when they cant feed properly

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5
Q

What is the least severe form of cleft palate?

A

Bifid uvula

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6
Q
A

commissural lip pit

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7
Q

What developmental issue causes commissural lip pits?

A

fusion of soft tissue of mand and max of lip

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8
Q
A

Paramedian lip pits

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9
Q
A

double lip

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10
Q

What are fordyce granules?

A

ectopic sebaceous glands

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11
Q

Are fordyce granules common?

A

Yes 80%!

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12
Q
A

fordyce granules

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13
Q
A

fordyce granules

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14
Q
A

Leukoedema

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15
Q

How common is leukoedema?

A

VERY COMMON 90%

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16
Q
A

Leukoedema

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17
Q

What are results of diascopy test for leukoedema?

A

Positive

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18
Q
A

oral melanotic macule

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19
Q
A

oral melanotic macule

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20
Q

most common location of oral mealanotic macule?

A

lower lip vermillion. can also be muccal mucosa, gingiva, and palate. Tongue too but rare

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21
Q
A

microglossia

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22
Q
A

ankyloglossia

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23
Q

What procedure would we do for ankyloglossia?

A

frenectomy

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24
Q

What problems could someone with ankyloglossia have?

A

stress on attached gingiva

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25
Q
A

fissured tongue

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26
Q

in extreme cases of fissured tongue, what is an issue that the patient may experience?

A

halitosis (bacterial compaction in fissures)

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27
Q

What are other names for benign migratory glossitis?

A

geographic tongue; erythema migrans

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28
Q

Is benign migratory glossitis common?

A

YES

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29
Q

What exactly occurs during benign migratory glossitis?

A

loss of filiform papilla (transient)

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30
Q

4 types of papillae?

A
  1. filiform papillae
  2. circumvallate papillae
  3. foliate papillae
  4. filiform papillae
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31
Q

How can we confirm a patient has benign migratory glossitis?

A

take a picture and compare in a couple weeks.

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32
Q

What is the cause of hairy tongue?

A

elongated filiform papillae

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33
Q
A

benign migratory glossitis

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34
Q
A

hairy tongue

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35
Q
A

hairy tongue

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36
Q
A

Oral varices (oral varicosities)

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37
Q

What would results of a diascopy test be on oral varices?

A

Positive (no extravascular blood). Its just dilated veins

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38
Q

Common locaiton of oral varices?

A

ventral surface of tongue

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39
Q

What can oral varices lead to?

A

Blood clot (slow blood movement); thrombosed varix

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40
Q
A

buccal exostoses

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41
Q
A

torus palatinus

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42
Q
A

torus mandibularis

43
Q
A

torus mandibularis

44
Q
A

torus mandibularis

45
Q
A

hypodontia

46
Q

What are the 3 most common teeth to be missing with hypodontia?

A
  1. 3rd molars
  2. 2nd molars
  3. max laterals
47
Q

4 most common supernumerary teeth (hyperdontia) of maxilla?

A
  1. mesidoens
  2. 4th molar
  3. paramolar ( beside molars)
  4. premolar
48
Q

What is the most common supernumerary tooth (hyperdontia) of the mandible?

A

premolar

49
Q
A

microdontia

50
Q
A

microdontia

51
Q
A

gemination

52
Q

How will total number of teeth change with gemination?

A

It wont..

53
Q
A

gemination

54
Q
A

gemination

55
Q
A

fusion

56
Q

How will total number of teeth change with fusion?

A

1 less tooth (2 teeth fused together)

57
Q
A

fusion

58
Q
A

fusion

59
Q
A

fusion

60
Q
A

concrescence

61
Q
A

concrescence

62
Q
A

concrescence

63
Q
A

Talon cusp

64
Q
A

talon cusp

65
Q

When treating/removing a talon cusp, how do we do it?

A

We gradually shave it down. Dont want to do it all at once because there is pulp horn! Gradually do it allowing for reaparative dentin to form at each session.

66
Q
A

dens evaginatus

67
Q

How do we treat dens evaginatus?

A

Same as a talon cusp! has a pulp horn too! pretty much the same thing as talon cusp but on posteriors

talon cusp :extra cusp on anteriors

Dens evaginatus: extra cusp on posteriors

68
Q
A

dens evaginatus

69
Q
A

dens invaginatus

70
Q

Another term for dens invaginatus?

A

dens in dente

71
Q

What is the problem patients may have with dens in dente/dens invaginatus?

A

it is a pit with only a small amount of dentin. It is very easy for food to get trapped in there and for a cavity to form.

72
Q
A

enamel pearl

73
Q
A

Enamel pearl

74
Q
A

cervical enamel extension

75
Q
A

taurodontism

76
Q

What occurs with taurodontism?

A

apical aspect of pulp displaced apically

77
Q
A

hypercementosis

78
Q

What are 4 causes of hypercementosis?

A

1- cysts

2- supereruption

3- systemic

4- neoplasms

79
Q

what issue may arise with extraciton of a tooth with hypercementosis?

A

root fracture may occur

80
Q
A

Dilaceration

81
Q

What causes dilaceration of teeth?

A

distrubrance (ussually from trauma) to hertwigs epithelial rooth sheath

82
Q
A

supernumerary roots

83
Q

3 stages of enamel development?

A
  1. secretory stage
  2. mineralization stage
  3. maturation stage
84
Q

What stage of enamel formation does enamel hypoplasia occur?

A

secretory stage

85
Q

What stage of enamel formation does enamel hypocalcification occur?

A

mineralization stage/maturation stage

86
Q

SYSTEMIC environmental causes of enamel hypoplasia and hypocalcification? (3 pts)

A
  1. fluoride
  2. syphilus
  3. fevers
87
Q

LOCAL environmental causes of enamel hypoplasia and enamel hypocalcification

A

TURNER TOOTH

88
Q

What are the 2 scenarios that leads to turner tooth?

A

Decidious tooth has trauma and is driven into permanent tooth bud

deciduous tooth has caries overtop of permanent tooth that then affect ameloblasts of developing permenant tooth

89
Q

What is another name for dentinogenesis imperfecta?

A

hereditary opalescent dentin

90
Q

What are the 2 features of dentinogenesis imperfecta?

A
  1. weakeness at DEJ (enamel separates
  2. bulbous crowns, constriced servix, obliterated pulps
91
Q
A

dentinogensis imperfecta

92
Q
A

dentinogensis imperfecta

93
Q
A

dentinogensis imperfecta

94
Q

What is the most common type of dentin dysplasia?

A

Dentin dysplasia type 1

95
Q

What are the characteristics of dentin dysplasia type 1?

A
  1. enamel and coronal dentin are normal
  2. radicular dentin is abnormal
  3. roots are short
  4. pulps are obliterated
96
Q

what are the characteristics of dentin dysplasia type 2? (primary and permenant dentition)

A

deciduous tetth have transluscent crowns and obliterated pulps

primary teeth have enlarged pulps with pulp stones

97
Q

Another name for regional odontodysplasia?

A

ghost teeth (look like see through teeth in radiograph)

98
Q
A

dentin dysplasia type 2

99
Q
A

dentin dysplasia type 2

100
Q
A

dentin dysplasia type 1

101
Q
A

ankylosis (note lack of PDL space)

102
Q
A

ankylosis of deciduous molar

103
Q
A

Oral Pathology 2nd Year (9 decks)

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