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IOE Dentistry - Tooth Morphology > Tooth Morphology > Flashcards

Tooth Morphology Flashcards

1
Q

At what age is the first evidence of calcification of the maxillary 8’s seen?

A

7-9 years

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2
Q

At what age is the first evidence of calcification of the mandibular 1’s seen?

A

3-4 months

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3
Q

At what age is the first evidence of calcification of the mandibular 2’s seen?

A

3-4 months

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4
Q

At what age is the first evidence of calcification of the mandibular 3’s seen?

A

4-5 months

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5
Q

At what age is the first evidence of calcification of the mandibular 4’s seen?

A

1.75-2 years

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6
Q

At what age is the first evidence of calcification of the mandibular 5’s seen?

A

1.25-2.5 years

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7
Q

At what age is the first evidence of calcification of the mandibular 6’s seen?

A

At birth

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8
Q

At what age is the first evidence of calcification of the mandibular 7’s seen?

A

2.5-3 years

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9
Q

At what age is the first evidence of calcification of the mandibular 8’s seen?

A

8-10 years

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10
Q

At what age is the crown completed in the maxillary and mandibular 1’s?

A

4-5 years

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11
Q

At what age is the crown completed in the maxillary and mandibular 2’s?

A

4-5 years

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12
Q

At what age is the crown completed in the maxillary and mandibular 3’s?

A

6-7 years

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13
Q

At what age is the crown completed in the maxillary and mandibular 4’s?

A

5-6 years

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14
Q

At what age is the crown completed in the maxillary and mandibular 5’s?

A

6-7 years

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15
Q

At what age is the crown completed in the maxillary and mandibular 6’s?

A

2.5-3 years

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16
Q

At what age is the crown completed in the maxillary and mandibular 7’s?

A

7-8 years

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17
Q

At what age is the crown completed in the maxillary and mandibular 8’s?

A

12-16 years

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18
Q

What tooth is the maxillary and mandibular 1?

A

Central incisor

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19
Q

What tooth is the maxillary and mandibular 1?

A

Central incisor

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20
Q

What tooth is the maxillary and mandibular 2?

A

Lateral incisor

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21
Q

What tooth is the maxillary and mandibular 3?

A

Canine

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22
Q

What tooth is the maxillary and mandibular 4?

A

First premolar

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23
Q

What tooth is the maxillary and mandibular 5?

A

Second premolar

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24
Q

What tooth is the maxillary and mandibular 6?

A

First molar

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25
Q

What tooth is the maxillary and mandibular 7

A

Second molar

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26
Q

What tooth is the maxillary and mandibular 8?

A

Third molar

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27
Q

At what age do the maxillary 1’s erupt?

A

7-8 years

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28
Q

At what age do the maxillary 2’s erupt?

A

8-9 years

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29
Q

At what age do the maxillary 3’s erupt?

A

11-12 years

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30
Q

At what age do the maxillary 4’s erupt?

A

10-11 years

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31
Q

At what age do the maxillary 5’s erupt?

A

10-12 years

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32
Q

At what age do the maxillary 6’s erupt?

A

6-7 years

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33
Q

At what age do the maxillary 7’s erupt?

A

12-13 years

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34
Q

At what age do the maxillary 8’s erupt?

A

17-21 years

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35
Q

At what age do the mandibular 1’s erupt?

A

6-7 years

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36
Q

At what age do the mandibular 2’s erupt?

A

7-8 years

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37
Q

At what age do the mandibular 3’s erupt?

A

9-10 years

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38
Q

At what age do the mandibular 4’s erupt?

A

10-12 years

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39
Q

At what age do the mandibular 5’s erupt?

A

11-12 years

40
Q

At what age do the mandibular 6’s erupt?

A

6-7 years

41
Q

At what age do the mandibular 7’s erupt?

A

12-13 years

42
Q

At what age do the mandibular 8’s erupt?

A

17-21 years

43
Q

At what age does the root complete formation in the maxillary 1’s?

A

10 years

44
Q

At what age does the root complete formation in the maxillary 2’s?

A

11 years

45
Q

At what age does the root complete formation in the maxillary 3’s?

A

13-15 years

46
Q

At what age does the root complete formation in the maxillary 4’s?

A

12-13 years

47
Q

At what age does the root complete formation in the maxillary 5’s?

A

12-14 years

48
Q

At what age does the root complete formation in the maxillary 6’s?

A

9-10 years

49
Q

At what age does the root complete formation in the maxillary 7’s?

A

14-16 years

50
Q

At what age does the root complete formation in the maxillary 8’s?

A

18-25 years

51
Q

At what age does the root complete formation in the mandibular 1’s?

A

9 years

52
Q

At what age does the root complete formation in the mandibular 2’s?

A

10 years

53
Q

At what age does the root complete formation in the mandibular 3’s?

A

12-14 years

54
Q

At what age does the root complete formation in the mandibular 4’s?

A

12-13 years

55
Q

At what age does the root complete formation in the mandibular 5’s?

A

13-14 years

56
Q

At what age does the root complete formation in the mandibular 6’s?

A

9-10 years

57
Q

At what age does the root complete formation in the mandibular 7’s?

A

14-15 years

58
Q

At what age does the root complete formation in the mandibular 8’s?

A

18-25 years

59
Q

What is the mesial surface?

A

The surface closest to the midline

60
Q

What is the distal surface?

A

The tooth surface furthest from the centre line

61
Q

What is the buccal surface?

A

Tooth surface nearest the inside of the cheek

62
Q

What is the labial surface?

A

Tooth surface nearest to the inside of the lip

63
Q

What is the lingual surface?

A

Mandibular tooth surface nearest to the tongue

64
Q

What is the palatal surface?

A

Maxillary tooth surface nearest to the palate

65
Q

What is the occlusal surface?

A

The biting or chewing surface of the premolars and molars

66
Q

What are the cusps?

A

Sharp, pointed surface extensions on the pre molars and molars

67
Q

What is the Incisal edge?

A

The sharp cutting edges of the incisors and canine teeth

68
Q

What are the 5 coronal features of the tooth?

A
  1. Outline form of the crown
  2. Cuspal form (number, position, shape size)
  3. Incisal form (shape of edges and incisal corners)
  4. Pits/Fossae (groove numbers and positioning)
  5. Fissure pattern on occlusal surface
69
Q

What are pits in the teeth?

A

They are depressions on the occlusal surface

70
Q

What are the 9 outlines (shapes) the posterior teeth can have?

A

Pentagon
Rectangular
Rhomboid
Heart
Oval
Diamond
Square
Rounded
Angular

71
Q

What are the 3 outlines (shapes) the posterior teeth can have?

A

Trapezium
Pentagon
Wedge/triangular

72
Q

How can you distinguish between a maxillary molar and mandibular molar?

A

Maxillary molars have 3 roots (Mesio-buccal, disto-buccal & palatal roots)
Mandibular molars have 2 roots (Mesial root & distal roots teeth)

73
Q

Describe the palatal root

A

Largest root
Circular in cross section

74
Q

Describe the buccal roots

A

Slender
Flattened messy-distally

75
Q

Describe full the upper left first permanent molar

A

Classification: UL6 or 26
A large tooth with a rhomboidal occlusal outline
Has 4 main cusps largest to smallest:, mesio-palatal (MP), mesio-buccal (MB), disto-buccal (DB) & disto-palatal (DP)
1 accessory mesio-palatal cusp (the cusp of carabelli)
Messial fossa and a mid buccal fossa
Oblique ridge running diagonally from the MP to the DB dividing the occlusal surface
Disto palatal fissures runs from the distal fossa and ends in the palatal groove
3 roots; a palatal root which is longer and circular in cross section. The buccal roots are more slender and flattened, mesio-buccal root larger and wider than disto-buccal root.

76
Q

What is an overjet?

A

Horizontal distance between the upper incisor edge and the lower incisor edge

77
Q

What is an overbite?

A

Vertical distance, coverage of lower incisor teeth by the upper incisor teeth

78
Q

What is the intercuspal position?

A

When a patient closes their back teeth so that their teeth are maximally meshed together
the unrestored dentition occlusal contacts provide stability where a cusp fits into a fossa or where it meets a marginal ridge of teeth in the opposing arch

79
Q

What is our professional responsibility in regard to dental records?

A

They must be accurate, truthful and reflect the true state of events seen at the time
They must also be written at the time of the appointment
They are legal records

80
Q

What can dental records be used as?

A

They ca be used as evidence by the GDC following a complaint of a dental professional
They are crucial and vital evidence for forensic investigations in terms of criminal trials

81
Q

What 3 things can forensic dentists do?

A

Bite mark analysis
Disaster victim identification
Dental human identification

82
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the maxillary 1’s

A

a. 3-4 months
b. 4-5 years
c. 7-8 years
d. 10 years

83
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the maxillary 2’s

A

a. 10-12 months
b. 4-5 years
c. 8-9 years
d. 11 years

84
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the maxillary 3’s

A

a. 4-5 months
b. 6-7 years
c. 11-12 years
d. 13-15 years

85
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the maxillary 4’s

A

a. 1.5-1.75 years
b. 5-6 years
c. 10-11 years
d. 12-13 years

86
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the maxillary 5’s

A

a. 2-2.5 years
b. 6-7 years
c. 10-12 years
d. 12-14 years

87
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the maxillary 6’s

A

a. At birth
b. 2.5-3 years
c. 6-7 years
d. 9-10 years

88
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the maxillary 7’s

A

a. 2.5-3 years
b. 7-8 years
c. 12-13 years
d. 14-16 years

89
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the maxillary 8’s

A

a. 7-9 years
b. 12-16 years
c. 17-21 years
d. 18-25 years

90
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the mandibular 1’s

A

a. 3-4 months
b. 4-5 years
c. 6-7 years
d. 9 years

91
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the mandibular 2’s

A

a. 3-4 months
b. 4-5 years
c. 7-8 years
d. 10 years

92
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the mandibular 3’s

A

a. 4-5 months
b. 6-7 years
c. 9-10 years
d. 12-14 years

93
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the mandibular 4’s

A

a. 1.5-2 years
b. 5-6 years
c. 10-12 years
d. 13-14 years

94
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the mandibular 5’s

A

a. 1.25-2.5 years
b. 6-7 years
c. 11-12 years
d. 12-13 years

95
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the mandibular 6’s

A

a. At birth
b. 2.5-3 years
c. 6-7 years
d. 9-10 years

96
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the mandibular 7’s

A

a. 2.5-3 years
b. 7-8 years
c. 12-13 years
d. 14-15 years

97
Q

State the
a. First evidence of calcification
b. Year crown is completed
c. When the tooth erupts
d. root completion year
Of the mandibular 8’s

A

a. 8-10 years
b. 12-16 years
c. 17-21 years
d. 18-25 years

IOE Dentistry - Tooth Morphology (9 decks)

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