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Chp 1/2 Flashcards

1
Q

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

A

8

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2
Q

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

A

Premolars

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3
Q

And permanent intuition the fifth tooth from the midline is

A

Premolars

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4
Q

The posterior teeth in the permanent dentition include what?

A

Premolars and molars only

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5
Q

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

A

The second premolar

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6
Q

How many teeth are present in one arch of the dentition

A

16

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7
Q

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

A

10

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8
Q

How many incisors are present in a complete adult dentition

A

8

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9
Q

How many molars your present in the primary dentition

A

8

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10
Q

What is the top arch of the mouth called

A

Maxillary

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11
Q

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

A

5,6

8,7

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12
Q

When referring to primary dentition where does lettering start

A

In the back of the mouth

Teeth A correlates with tooth 1

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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

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14
Q

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

A

13

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15
Q

What are the universal numbers of the permanent mandibular first molars

A

19 and 30

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16
Q

What Part of the tooth does Cementum cover

A

Anatomic root

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17
Q

What tissues of the tooth are usually not visible

A

Dentin and pulp

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18
Q

What is the hardest substance in the body

A

Enamel

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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

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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

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21
Q

Dentinoenamel junction

A

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

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22
Q

Cementodentinal junction

A

Is the inner surface of cementum where cementum joints Dentin

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23
Q

Where do nerves and blood vessels enter the pulp canals

A

At the apical foremen

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24
Q

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

A

Cementoenamel

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25
Which mineralize tissues the hardest
Enamel
26
What is the supporting tissues of teeth called
Periodontium
27
What is the only part of the periodontium that is visible called
Gingiva
28
What make up the Periodontium
Alveolar bone the gingiva the periodontal ligament the outer cementum layer of the tooth roots
29
Gingival sulcus
The space between the tooth and the free gingiva
30
What is the portion of the tooth not covered with gingiva called
Clinical crown
31
The portion of the tooth that is not visible since it is covered with gingiva is called what
Clinical root
32
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
Anatomic crown and anatomic root
33
Facial surface
Teeth towards the face cheeks or lips
34
Buccal
Towards the cheek
35
Labial
Towards the lips | Incisors and canines
36
Maxillary arch can also be called what
Palatal surface
37
What is the chewing surface a posterior teeth called
Occlusal
38
Proximal surfaces
Are the sides of the tooth next to an adjacent tooth
39
Mesial surface
The Side of the tooth that is closer to the midline
40
Distal surface
The side of the tooth further away from the midline
41
The junction line where two tooth surfaces meet is called
Line angle
42
Root to crown ratio
Root/crown
43
If you were observing the faciolingual dimension of the two what surface could you be viewing
Mesial
44
``` 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 ```
Facial surface of t 1
45
Which term does not refer to a tooth crown line angle
``` Mesio occlusal Mesio facial Mesio distal Distolingual Lingua occlusal ```
46
Cusps
The Pyramidal elevation with a Peak called a cusp top
47
Where are cusps located
On premolars and molars occlusal surface and on canines Incisal service
48
How many cusps do molars have
3-4
49
Cusps ridge
Four ridges that come together to make the cusp tip
50
When naming cusps what order do you name them
Mesio and distal first | Then if they are lingual or buccal
51
Cusp slopes or cusp arms
The mesial and distal cusp ridge
52
Where are triangular cusps located
On the major cusps of posterior teeth
53
Ridge that crosses the occlusal surface of posterior teeth in buccal lingual direction
Transverse ridge
54
Where is the oblique ridge found
Only on the maxillary molars
55
what do incisors do
Cut food Articulate speech Support lips (esthetics) Guide mandible during movement
56
the longest incisor crown
Maxillary central incisor crown
57
General Similarities of Most Incisors
Relatively straight incisal edge; Rectangular shape: longer incisocervically than mesiodistally Taper narrower from contact to cementoenamel junction (CEJ) CEJ curves toward apex
58
Characteristics of Incisors from the Proximal Views
Bulge greatest in cervical third facially and lingually (cingulum)
59
Which tooth junctions are not normally visable on a tooth
All dentin junctions
60
What tissues form the outer boundary of almost all of a pulp chamber
dentin
61
Functions of pulp
Pain Nutrition to dentin Produce new dentin
62
Parts of periodontium
Alveolar bone Periodontal ligament Gingival Margin Attached gingiva
63
How to determine root to crown ratio
divide root by crown length
64
Height of contour facial anterior/posterior
cervical third
65
Height of contour lingual anterior/posterior
Anterior-cervical | posterior-middle
66
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. oblique ridge | b. cingulum
67
``` Which of the following is NOT a cusp found on 3 cusped premolar A. mesiobuccal B. distalbuccal C. Buccal D. Mesiolingual E. Distolingual ```
A. mesiobuccal | B. distalbuccal
68
Anatomic landmarks order
cervix trunk furcation apex
69
Which space contains the part of the gingiva known as the interdental papilla
Cervical embrasure | Interproximal space
70
Ideal class 1 occlusion involves an important 1st permanent molar relationship where the mesiobuccal cusp of the maxillary 1st molar is located within the
mesiobuccal groove of the mandibular first molar
71
``` 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 ```
``` anterior 4 premolar 4 premolar 5 molar 3 molar 4 molar 5 ```
72
what separates the portions of the tooth formed by different lobes
developmental grooves
73
tooth 8 Universal tooth number International system Palmers
Tooth 8 Maxillary central incisor 11 _1_I
74
Smallest teeth in the mouth
mand central incisors
75
Functions of incisors
tear
76
Incisors that look more alike
mandibular
77
Contact point more incisially on ______ incisors
mandibular
78
Incisor crowns wider faciolingually
mandibular
79
Incisors have prominent lingual anatomy
Maxillary
80
Incisor roots longer
Mandibular
81
Incisor ridges are more lingually
mandibular
82
Incisal edge wears labially on ______ incisors
mandibular
83
Maxillary incisors contact point
more cervical
84
More rounded mesial and distal incisial edge
maxillary incisors
85
_____ incisor has more pronounced lingual anatomy
maxillary
86
Incisor crowns wider mesiodistaly
maxillary
87
``` 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 ```
central maxillary incisor
88
``` 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 ```
lateral maxillary incisor
89
From an incisal view __ ___ __ has a round, oval shape and _ __ ___ has a triangular shape
maxillary lateral incisor | maxillary central incisor
90
Contact points Incisors
Max- Central- I I/M Lateral- I M Mand- Central/lateral- I
91
Incisor without distolingual twist
Maxillary central Incisor | Mandibular Lateral incisor
92
Incisors with distolingual twists
All (except central maxillary)
93
Do maxillary incisors have root depressions?
Mesial- not likely Distal- no
94
Do mandibular incisors have root depressions?
Yes- Distal is deeper
95
Out of all of the incisors, which have a centered cingulum and which don't?
Central centered cingulum | Lateral distal cingulum
96
Mesiodistal dimension of the crown is larger than labiallingual dimension
Maxillary incisors
97
Incisal ridge has a distolingual twist
Maxillary central | Mandibular central
98
The root is very narrow mesiodistally with mesial and distal depressions
Mandibular incisors
99
The incisal edge is positioned more lingual
Mandibular incisor
100
The distal proximal crest of curvature is more cervical than the mesial height of contour
Maxillary incisors | Mandibular lateral
101
This tooth has the widest (mesiodistally) incisor crown
maxillary central incisor
102
This tooth has the shortest root relative to its crown
maxillary central incisor
103
This tooth has the largest curvature of the mesial cervical line
Maxillary central incisor

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