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Oral Histo > abnormalities of teeth and terms > Flashcards

abnormalities of teeth and terms Flashcards

1
Q

division of a single tooth germ

A

gemination

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2
Q

tx for gemination

A

crown reduction with disking

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3
Q

tx gemination if crown is too big

A

rct then crown

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4
Q

union of two tooth germs

A

fusion

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5
Q

tx for fusion

A

hemisection on 1 sides then rct

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6
Q

what is hemisection

A

divide tooth longitudinally remove crown and root of 1 side

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7
Q

which stage do these anomalies happen

A

cap stage

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8
Q

stage for anodontia and supernumerary

A

initiation stage

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9
Q

stage for amelogenesis imp dentinogenesis imp, macro and microdont

A

bell stage

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10
Q

stage for enamel pearl, enamel hypoplasia, concresence

A

appositional stage

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11
Q

definition of concresence

A

union of teeth bu cementum

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12
Q

fusion of cementum to the surr alveolar bone

A

ankylosis

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13
Q

most commonly seen in primary mandi 2nd molar, no lamina dura

A

ankylosis

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14
Q

sharp bend or angulation of the root

A

dilaceration

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15
Q

ankylosis plane of occlusion

A

submerged

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16
Q

one of the common impacted mandibular tooth

A

primary 2nd molar

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17
Q

pathologic loss of tooth struc due to contact with external instrument

A

abrasion

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18
Q

abrasion in proximal view has

A

v-shaped notches

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19
Q

notches on incisal due to nail biting

A

abrasion

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20
Q

physiologic loss of tooth structure from tooth to tooth contact

A

attrition

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21
Q

wear facets on incisal and occlusal

A

attrition

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22
Q

autosomal dominant condition that affcts dentin in both deci and perm tooth

A

dentin dysplasia

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23
Q

spoon shaped wear

A

erosion

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24
Q

due to flexion on tooth💪🏻

A

abfraction

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25
Q

radicular 🌌

A

type 1

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26
Q

coronal 👑

A

type II

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27
Q

most common dentin dysplasia

A

Type 1

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28
Q

similar manifestation to deci and perm tooth

A

type 1

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29
Q

rootless tooth leading to extreme mobility premature exfo

A

type 1

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30
Q

completely obliterated pulp

A

type 1

31
Q

presentations of deci and perm are different from each other

A

type 2

32
Q

opalecent color of tooth

A

🐵 decidous type 2

🙈 dentinogenesis imperfecta

33
Q

normal color of tooth

A

permanent type 2

34
Q

enlarged pulp chamber and bulbous cervical

A

perm type 2

35
Q

thistle tube 🧪

A

perm type 2

36
Q

⚗️ new growth excessive and uncontrolled growth of abnor tse

A

neoplasm

37
Q

swelling. any swelling or abnormal enlargement in the body

A

tumor

38
Q

study of neoplasms or tumors

A

oncology

39
Q

composed of cells or tissue originating from three germ layers

A

teratoma

40
Q

abnormal cells normally found in the affected organ (abnormal cells, normal location)

A

Hamartoma

41
Q

normal cells in an unusual location (normal cells, abnormal location)

A

choristoma

42
Q

3 germ layers

A

ectoderm endoderm mesoderm

43
Q

outermost covering skin hair nails

A

ectoderm

44
Q

middle, cartilage bone respiratory GIT

A

ectoderm

45
Q

teratoma is usually seen in

A

ovary

46
Q

example of hamartoma

A

birthmark

47
Q

ex of choristoma

A

fordyce spots

48
Q

spread of tumor to adjacent tissues

A

invasion or infiltration

49
Q

spread of tumor to distant tissue

A

metastasis

50
Q

change from normal to abnor cells (disorganised, atypical)

A

dysplasia

51
Q

change from one cell type to another

A

metaplasia

52
Q

reversible at first

A

dyplasia

53
Q

cell change from more specialised to less specialized

A

metaplasia

54
Q

most common metaplasia

A

columnar to sqamous

55
Q

loss of differentiation

A

anaplasia

56
Q

hallmarks of anaplasia

A

🚽 pleomorphism
🧼 hyperchromatism
🧽 abnormal mitosis
🛋 loss of polarity

57
Q

same cells not attract to each other

A

loss of polarity

58
Q

premalignant lesions

A

leukoplakia and erythroplakia

59
Q

leukoplakia predisposes px to

A

malignancy

60
Q

white patch or plaque of oral mucosa that cannot be rubbed off and cannot be charac as any other dse

A

leukoplakia

61
Q

prone to be malignant

A

erythoplakia

62
Q

malignancy involves the full thickness of the epithelium

A

carcinoma in situ

63
Q

malignancy involves full thicknrdd of epith as well as penetrates the basement membrane

A

invasive carci

64
Q

well differentiated and movable

A

benigh

65
Q

slow growth and localized

A

benigh

66
Q

less diffrrentiated or no differenetiation and immovable

A

malignant

67
Q

well circumscribed

A

benign

68
Q

rapid growth and poorly circumscribed

A

malig

69
Q

metastasis

A

malig

70
Q

characeristic of malignancy mnemonics

A

💣 BIG FEUD

71
Q

most important characteristic of malignancy

A

metastasis

72
Q

absolute indicator of malignancy

A

metastasis

73
Q

TNM staging stands for

A

Tumor signs
Node involvement
Metastasis

Oral Histo (4 decks)

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