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Flashcards in Chp 1/2 Deck (103)
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1
Q

How many teeth are present and one quadrant up a complete adult permanent dentition?

A

8

2
Q

What class of teeth is present in the permanent dentition that is not present in the primary dentition?

A

Premolars

3
Q

And permanent intuition the fifth tooth from the midline is

A

Premolars

4
Q

The posterior teeth in the permanent dentition include what?

A

Premolars and molars only

5
Q

Which permanent tooth routes in the space previously held by the primary second Molar?

A

The second premolar

6
Q

How many teeth are present in one arch of the dentition

A

16

7
Q

How many teeth are present in one arch at the primary dentition

A

10

8
Q

How many incisors are present in a complete adult dentition

A

8

9
Q

How many molars your present in the primary dentition

A

8

10
Q

What is the top arch of the mouth called

A

Maxillary

11
Q

Using the international numbering system or FDI what are the quadrants used when referring to primary dentition?

A

5,6

8,7

12
Q

When referring to primary dentition where does lettering start

A

In the back of the mouth

Teeth A correlates with tooth 1

13
Q

If you read an article in the British dental journal that refers to tooth number 55.
What universal letter would they be talking about?

A

A

14
Q

If an orthodontist wrote about the tooth L5, what would the universal number be

A

13

15
Q

What are the universal numbers of the permanent mandibular first molars

A

19 and 30

16
Q

What Part of the tooth does Cementum cover

A

Anatomic root

17
Q

What tissues of the tooth are usually not visible

A

Dentin and pulp

18
Q

What is the hardest substance in the body

A

Enamel

19
Q

Cementum

A

Is the door yellow external layer of the anatomic route the cementum is very thin especially next to the part of the route where the crown joins with the root

20
Q

What is the junction between the enamel covering the anatomic crown and the junction covering the anatomic root called

A

Cementtoenamel junction

Cervical line

21
Q

Dentinoenamel junction

A

The inner surface of the enamel where the name of joins dentin

22
Q

Cementodentinal junction

A

Is the inner surface of cementum where cementum joints Dentin

23
Q

Where do nerves and blood vessels enter the pulp canals

A

At the apical foremen

24
Q

What is the only visible tooth junction on a hand held intact tooth

A

Cementoenamel

25
Q

Which mineralize tissues the hardest

A

Enamel

26
Q

What is the supporting tissues of teeth called

A

Periodontium

27
Q

What is the only part of the periodontium that is visible called

A

Gingiva

28
Q

What make up the Periodontium

A

Alveolar bone
the gingiva
the periodontal ligament
the outer cementum layer of the tooth roots

29
Q

Gingival sulcus

A

The space between the tooth and the free gingiva

30
Q

What is the portion of the tooth not covered with gingiva called

A

Clinical crown

31
Q

The portion of the tooth that is not visible since it is covered with gingiva is called what

A

Clinical root

32
Q

What is the portion of the tooth called that is covered with enamel and what is the portion of the tooth called that is not covered with enamel

A

Anatomic crown and anatomic root

33
Q

Facial surface

A

Teeth towards the face cheeks or lips

34
Q

Buccal

A

Towards the cheek

35
Q

Labial

A

Towards the lips

Incisors and canines

36
Q

Maxillary arch can also be called what

A

Palatal surface

37
Q

What is the chewing surface a posterior teeth called

A

Occlusal

38
Q

Proximal surfaces

A

Are the sides of the tooth next to an adjacent tooth

39
Q

Mesial surface

A

The Side of the tooth that is closer to the midline

40
Q

Distal surface

A

The side of the tooth further away from the midline

41
Q

The junction line where two tooth surfaces meet is called

A

Line angle

42
Q

Root to crown ratio

A

Root/crown

43
Q

If you were observing the faciolingual dimension of the two what surface could you be viewing

A

Mesial

44
Q
Which of the following phrases are correct?
A. Buccal surface of tooth 10
Labial surface of t 19
Palatial surface of t 29
Occusal surface of t 27
Facial surface of t 1
A

Facial surface of t 1

45
Q

Which term does not refer to a tooth crown line angle

A
Mesio occlusal
Mesio facial
Mesio distal
Distolingual
Lingua occlusal
46
Q

Cusps

A

The Pyramidal elevation with a Peak called a cusp top

47
Q

Where are cusps located

A

On premolars and molars occlusal surface and on canines Incisal service

48
Q

How many cusps do molars have

A

3-4

49
Q

Cusps ridge

A

Four ridges that come together to make the cusp tip

50
Q

When naming cusps what order do you name them

A

Mesio and distal first

Then if they are lingual or buccal

51
Q

Cusp slopes or cusp arms

A

The mesial and distal cusp ridge

52
Q

Where are triangular cusps located

A

On the major cusps of posterior teeth

53
Q

Ridge that crosses the occlusal surface of posterior teeth in buccal lingual direction

A

Transverse ridge

54
Q

Where is the oblique ridge found

A

Only on the maxillary molars

55
Q

what do incisors do

A

Cut food
Articulate speech
Support lips (esthetics)
Guide mandible during movement

56
Q

the longest incisor crown

A

Maxillary central incisor crown

57
Q

General Similarities of Most Incisors

A

Relatively straight incisal edge;
Rectangular shape: longer incisocervically than mesiodistally
Taper narrower from contact to cementoenamel junction (CEJ)
CEJ curves toward apex

58
Q

Characteristics of Incisors from the Proximal Views

A

Bulge greatest in cervical third facially and lingually (cingulum)

59
Q

Which tooth junctions are not normally visable on a tooth

A

All dentin junctions

60
Q

What tissues form the outer boundary of almost all of a pulp chamber

A

dentin

61
Q

Functions of pulp

A

Pain
Nutrition to dentin
Produce new dentin

62
Q

Parts of periodontium

A

Alveolar bone
Periodontal ligament
Gingival Margin
Attached gingiva

63
Q

How to determine root to crown ratio

A

divide root by crown length

64
Q

Height of contour facial anterior/posterior

A

cervical third

65
Q

Height of contour lingual anterior/posterior

A

Anterior-cervical

posterior-middle

66
Q

which of the following bumps or ridges is NOT likely to be found on a maxillary premolar?

a. oblique ridge
b. cingulum
c. mesial marginal ridge
d. transverse ridge
e. triangular ridge

A

a. oblique ridge

b. cingulum

67
Q
Which of the following is NOT a cusp found on 3 cusped premolar 
A. mesiobuccal 
B. distalbuccal
C. Buccal 
D. Mesiolingual
E. Distolingual
A

A. mesiobuccal

B. distalbuccal

68
Q

Anatomic landmarks order

A

cervix
trunk
furcation
apex

69
Q

Which space contains the part of the gingiva known as the interdental papilla

A

Cervical embrasure

Interproximal space

70
Q

Ideal class 1 occlusion involves an important 1st permanent molar relationship where the mesiobuccal cusp of the maxillary 1st molar is located within the

A

mesiobuccal groove of the mandibular first molar

71
Q
How many developmental lobes do 
all anterior teeth have
all two-cusped premolars have
all three-cusped premolars have 
all three-cusped molars
all four-cusped molars
all five-cusped molars
A
anterior 4
premolar 4
premolar 5
molar 3
molar 4
molar 5
72
Q

what separates the portions of the tooth formed by different lobes

A

developmental grooves

73
Q

tooth 8
Universal tooth number
International system
Palmers

A

Tooth 8
Maxillary central incisor
11
_1_I

74
Q

Smallest teeth in the mouth

A

mand central incisors

75
Q

Functions of incisors

A

tear

76
Q

Incisors that look more alike

A

mandibular

77
Q

Contact point more incisially on ______ incisors

A

mandibular

78
Q

Incisor crowns wider faciolingually

A

mandibular

79
Q

Incisors have prominent lingual anatomy

A

Maxillary

80
Q

Incisor roots longer

A

Mandibular

81
Q

Incisor ridges are more lingually

A

mandibular

82
Q

Incisal edge wears labially on ______ incisors

A

mandibular

83
Q

Maxillary incisors contact point

A

more cervical

84
Q

More rounded mesial and distal incisial edge

A

maxillary incisors

85
Q

_____ incisor has more pronounced lingual anatomy

A

maxillary

86
Q

Incisor crowns wider mesiodistaly

A

maxillary

87
Q
Maxillary Incisor 
Cingulum positioned distally 
Larger shallow lingual fossa
Less frequent lingual pit 
More concave crown 
Root outline more convex on lingual
Very symmetrical crown facially 
Less obvious distal/mesial bulge on crown 
Contacts same level mesially and distally 
Smaller
A

central maxillary incisor

88
Q
Maxillary Incisor 
Cingulum centered 
Deep but small fossa
More common lingual pit 
Straighter crown 
Even root taper 
Less symmetrical crown facially 
Obvious distal/mesial bulge on crown
Contact mesially is more incisal  
Contact distally more cervical
Larger 
Distal incisal line angle more rounded
A

lateral maxillary incisor

89
Q

From an incisal view __ ___ __ has a round, oval shape and _ __ ___ has a triangular shape

A

maxillary lateral incisor

maxillary central incisor

90
Q

Contact points Incisors

A

Max-
Central- I I/M
Lateral- I M

Mand-
Central/lateral- I

91
Q

Incisor without distolingual twist

A

Maxillary central Incisor

Mandibular Lateral incisor

92
Q

Incisors with distolingual twists

A

All (except central maxillary)

93
Q

Do maxillary incisors have root depressions?

A

Mesial- not likely Distal- no

94
Q

Do mandibular incisors have root depressions?

A

Yes- Distal is deeper

95
Q

Out of all of the incisors, which have a centered cingulum and which don’t?

A

Central centered cingulum

Lateral distal cingulum

96
Q

Mesiodistal dimension of the crown is larger than labiallingual dimension

A

Maxillary incisors

97
Q

Incisal ridge has a distolingual twist

A

Maxillary central

Mandibular central

98
Q

The root is very narrow mesiodistally with mesial and distal depressions

A

Mandibular incisors

99
Q

The incisal edge is positioned more lingual

A

Mandibular incisor

100
Q

The distal proximal crest of curvature is more cervical than the mesial height of contour

A

Maxillary incisors

Mandibular lateral

101
Q

This tooth has the widest (mesiodistally) incisor crown

A

maxillary central incisor

102
Q

This tooth has the shortest root relative to its crown

A

maxillary central incisor

103
Q

This tooth has the largest curvature of the mesial cervical line

A

Maxillary central incisor