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L4 MAND INCISORS Flashcards

(72 cards)

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1
Q

Universal notitation for mandibular central incisors

A

24 and 25

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2
Q

Universal notitation for mandibular lateral incisors

A

23 and 26

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3
Q

When you mandibular central incisors erupt

A

…

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4
Q

When do mandibular lateral incisors erupt

A

….

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5
Q

When is the root development complete for mand central incisors

A

…

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6
Q

When is the root development complete for mandibular lateral incisors

A

…

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7
Q

When does calcification of mandibular incisor begin

A

…

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8
Q

When is the crown of mandibular incisors completely calcified

A

…

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9
Q

What is an interproximal contact

A

Where two adjacent teeth contact

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10
Q

What are embrasure

A

The spaces/spillway that widen out from the contact

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11
Q

How embrasure spaces do anterior teeth have

A

4
Incisal < gingival
Facial = lingual

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12
Q

How embrasure spaces do posterior teeth have

A

4
Occlusal = gingival
Facial < lingual

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13
Q

What are mandibular incisor used for

A

To incise or cut food

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14
Q

How many mandibular incisors

A

2 central

2 lateral

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15
Q

Mandibular incisor have smaller ________ diameters than any other tooth

A

Mesiodistal

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16
Q

What is the smallest tooth in the mouth

A

Mandibular central incisor

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17
Q

Mandibular incisors are broader _____ than _____

A

Mandibular incisors are broader buccolingually BL than mesiodistally MD

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18
Q

Outline of mand central incisor from facial view

A

Trapezoidal, tapers cervically

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19
Q

Describe incisal outline of mand central incisor from facial view

A

Incisal outline is straight

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20
Q

For mand central incisor the crown is approximately 2x as _____ as _____

A

2x as long IG as wide MD

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21
Q

Meioincisal and distoincisal line angles of mand central incisor from facial view are

A

Shape 90

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22
Q

What is the only symmetrical tooth in the mouth

A

mand central incisor

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23
Q

From facial view of mand central incisor, mesial and distal contact area are in the

A

Incisal 1/3, both are at the same level

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24
Q

In most teeth the _____ area is position more ____ than the ______ (even if it is located in the same 1/3 of the tooth)

A

Distal contact area,
More cervically,
Mesial contact

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25
Any depressions on the labial surface of mand central incisor
No depressions, smooth
26
Describe shape of labial surface of mand central incisor from facial view
Labial surface is flat in the incisal 1/3 and become more convex cervically
27
How many roots of mand central incisor
Single root
28
Describe the shape of the root of a mand central incisor from a facial view
Single root, narrow mesiodistally curves distally in some cases
29
Is the crown or root longer of mand central incisor from facial view
Root is longer than the crown length
30
What is the outline of the mand central incisor from the lingual view
Trapezoidal
31
Do mand central incisor have a lingual fossa from the lingual view
Smooth rounded, slightly concave but no distant fossa
32
Describe the mesial and distal marginal ridges of the Mand central incisor from the lingual view
Mesial and distal marginal ridges are only minor elevations
33
The cingulum of the Mand central incisor is much _____ distinct than in the maxillary incisors
Much less
34
Are there any development groove on the Mand central incisor from the lingual view
No developmental grooves
35
Describe outline of Mand central incisor from mesial view
Triangular
36
Labial outline of Mand central incisor from mesial view is
Curved - convex
37
The height of contour of the labial surface on the Mand central incisor from the mesial view is in the
Cervical 1/3
38
From the mesial view of the Mand central incisor, the incisal edge lies lingual to
The line that bisects the tooth
39
CEJ of Mand central incisor curves _____ about 1mm more than on the _____
Incisally, distal
40
When worn, the incisal edge of the Mand central incisor angles to the
Facial
41
The developmental depression on the distal of root of Mand central incisor is _______ than on the mesial
Greater
42
Cervical line of Mand central incisor curves ______ 1mm less than on the _______
Incisally, mesial
43
Mand central incisor incisal view, the mesial 1/2 and distal 1/2 of the tooth are almost _____
Identical
44
From the incisal view of the Mand central incisor, the incisal edge is at _________ to a line bisecting the crown labiolingually
Right angles
45
Mand central incisor from incisal view shoes the tooth converges
Lingual the MD width of the labial surface is wider than the MD width of the lingual surface
46
Contact areas of the Mand central incisor from incisal view are centered
Faciolingually
47
How many roots in Mand central incisor
Single root
48
The root of the Mand central incisor is broader
Faciolingually than mesiodistally
49
Developmental depressions of Mand central incisor run
Longitudinally down root on mesial and distal
50
Distal depression of Mand central incisor is usually
Deeper than the mesial
51
Describe shape of root in cross section of Mand central incisor
Root is round/ovoid in cross section with depression on the mesial and distal
52
Describe pulp canal of Mand central incisor
Usually one pulp canal | Narrow MD and broad FL
53
Mand lateral incisor or mand central incisor is larger
Mand lateral incisor is larger, | Wider MD than central
54
Distal crown height of Mand lateral incisor from facial view is often _______ than the mesial crown height
Shorter
55
From facial view of Mand lateral incisor, the incisal edge slopes ______
Downward distally
56
Mesioincisal angel of Mand lateral incisor from facial view is
Sharp - 90 degrees
57
Distoincisal angle of Mand lateral incisor from facial view is
Rounded
58
Mand lateral incisor is ______ MD than central
Wider
59
Mesial and distal contacts of the Mand lateral incisor are in the
Incisal 1/3
60
Is the mesial or distal contact of the Mand lateral incisor more cervical
Distal contact iis more cervical than mesial
61
Describe the lingual view of Mand lateral incisor
Same as the lingual surface of the mandibular central incisor
62
The developmental depressions on the root of the Mand lateral incisor are __________ than on the mandibular central incisor
Are more pronounced
63
Distal developmental depression of Mand lateral incisors _________than the mesial
More marked
64
The distal aspect of Mand lateral incisor is _______ lingually
Twisted
65
Can you see the lingual surface (marginal ridge) when viewed from the distal
Lingual surface not visible from distal view
66
Incisal edge of the Mand lateral incisor is _______ to the tooth center
Lingual
67
Is the Mand lateral incisor symmetrical why or why not
No the distal part of crown appears to be curved lingually like as if the distal part is twisted on the root
68
The DF line angle of the Mand lateral incisor is positioned more _____
Lingual
69
The root of the Mand lateral incisor is similar to the man central but slightly
Larger
70
Shape of root to Mand lateral incisor
Ovoid/round
71
Depression on the distal of Mand lateral incisor is ____ than in central
Deeper
72
Mand lateral incisor typically have how many canals
1 but can have 2

structure basics (18 decks)

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