Chapter 20 Flashcards

1
Q
A

Double exposure

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2
Q
A

Roller or developer error

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3
Q
A

Herringbone pattern

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4
Q
A

Bent film

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5
Q
A

Conecut

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6
Q
A

Root tip

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7
Q
A

Crack in tooth

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8
Q
A

Fingernail print

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9
Q
A

Mesiodens

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10
Q
A

Amalgam

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11
Q
A

Amalgam tattoo

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12
Q
A

Amalgam tattoo

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13
Q
A

implants with crowns

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14
Q
A

Baby tooth

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15
Q
A

Mesiodens between centrals

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16
Q
A

Dens in dente

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17
Q
A

Dens in dente

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18
Q
A

Dens in dente

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19
Q
A

Hypercementosis

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20
Q
A

Hypercementosis

Excess cementum formation

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21
Q
A

Dilaceration

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22
Q
A

Taurodontia

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23
Q
A

Taurodontia

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24
Q
A

Gemination

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25
Q
A

Concresence

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26
Q
A

Concresence

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27
Q
A

Fusion

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28
Q
A

Fusion

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29
Q
A

Amelogenesis imperfecta

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30
Q
A

Periapical abcess

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31
Q
A

Dentigerous cyst

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32
Q
A

Odontogenic cyst

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33
Q
A

Nonodontogenic cyst

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34
Q
A

Ameloblastoma

35
Q
A

Odontoma

36
Q
A

Cementoma

37
Q
A

Resorption due to latrogenic causes (dentist caused)

38
Q
A

Resorption from idiopathic (unknown) reasons

39
Q
A

Tooth resorption

40
Q
A

Retained roots

41
Q
A

Osteitis

42
Q
A

Osteosclerosis

43
Q
A

Osteosclerosis

44
Q
A

Splinting wire

45
Q

Technique errors

A
  • Conecut films
  • Misplaced films
  • Backward films
  • Underexposed films
  • Douple Exposure
  • Light exposure
46
Q

Anodontia

A

Missing teeth

47
Q

Supernumerary

A

Extra teeth

48
Q

Dens in dente

A

Tooth within a tooth

49
Q

Main cause of anodontia

A

Congenitelly missing teeth

50
Q

Hypercementosis

A

Excessive cementum formation

51
Q
A
52
Q

Dilaceration

A

Sharp bend in root usually in premolars

53
Q

Taurodontia

A

A tooth normally a mandubular molar with a very large pulp chamber and very short roots

54
Q

Gemination

A

A single tooth but divides into two teeth. This is not the fusion of two teeth

55
Q

Fusion

A

Two teeth joined or connected almost always at the crown

56
Q

Concresence

A

When the cementum of 2 adjacent teeth is joined or fused. Appears as overlapping roots

57
Q

Dentinogenesis imperfecta

A

Malformation of dentin

58
Q

Amelogenesis imperfecta

A

Malformation of enamel

59
Q

Periapical abscess

A

Cause by bacteria that has reached the pulp and cause irreversible pulp damage

60
Q

Granuloma

A

Granulation tissue that is continuous with the PDL and attached to the root of the apex

61
Q

Cyst

A

Fluid filled or semi-solid area that appears radiolucent on a radiograph

62
Q

Forms of cysts include

A

Dentigerous cyst

Odontogenic cyst

Nonodontogenic cyst

63
Q

Dentigerous cyst

A

Most often with supernumery teeth but also with impacted teeth

64
Q

Odontogenic cyst

A

Includes cyst formed because of a tooth so may be periapical, residual, dentigerous.

65
Q

Nonodontogenic cyst

A

Any cyst not arising from a tooth

Includes incisive canal cyst (nasopalatine) and globulomaxillary cyst located between the lateral and canine

66
Q

Odontogenic tumors

A

Formed by an abnormal proliferation of odontogenic cells (cells that form teeth)

67
Q

Ameloblastoma

A

Large radiolucient area of enamel origin with mono or multilocular (many compartments) that gives a soap bubble appearance - quite rare

68
Q

Odontoma

A

Most common and is a small mishapened mass of teeth radiopaque with a radiolucient fibous capsule resembling a cyst

69
Q

Cementoma

A

A cementifying fibroma usually on mandibular anteriors in women and require no treatment

70
Q

Tooth resorption

A

Primary teeth undergo in response to erupting permanent teeth

71
Q

Retained roots

A

Very common on radiographs caused by: Primary tooth root tips, crown has decayed completely away, dentist left in extraction

72
Q

Calcifications

A

Pulp stone

Sialoliths

Rhinoliths

Phleboliths

73
Q

Sialoliths

A

Salivary stones that are deposits of calcium salts in salivary glands or ducts

74
Q

Rhinoliths

A

Stones in the maxillary sinus

75
Q

Pheboliths

A

calcified thrombi in soft tissues usually the cheek

76
Q

Ossifications

A

Condensing osteitis

Osteosclerosis

77
Q

Condensing osteitis

A

The sclerosis of hardening bone as a result of infection

78
Q

Osteosclerosis

A

Abnormally dense bone not a result of infection

79
Q

Carcinoma

A

Of epithelial origin

80
Q

Sarcoma

A

Of connective tissue origin - produce a change in bone early on with a patchy appearance

81
Q

Exostosis

A

Localized overgrowth on bone such as a torus or tori that may occur on the hard tissue of the palate or the lingual surfaces of the mandible

82
Q

Fractures

A

Appears as thin RL lines similar to nutrient canals - May or may not line up bone to bone

83
Q
A