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structure basics > Lecture 4: Mandibular incisors > Flashcards

Lecture 4: Mandibular incisors Flashcards

1
Q

What is the Universal Notation for the Mandibular right central incisor?

A

24

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2
Q

What is the Universal Notation for the Mandibular left central incisor?

A

24

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3
Q

When does Mandibular Central Incisor erupt?

A

6-7 years

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4
Q

When is the root of Mandibular Central Incisor completed?

A

9 years

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5
Q

When does Mandibular Central Incisor show first evidence of calcification?

A

3-4 months

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6
Q

When is the crown of Mandibular Central Incisor completely formed?

A

4-5 years

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7
Q

Is Mandibular Central Incisor this a succedaneous or a non-succedaneous tooth?

A

succedaneous

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8
Q

What is this tooth geometric outline of mandibular central incisor when viewed from the facial?

A

trapezoidal

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9
Q

What is this tooth geometric outline of mandibular central incisor when viewed from the lingual?

A

trapezoidal

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10
Q

What is this tooth geometric outline of mandibular central incisor when viewed from the mesial?

A

triangular

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11
Q

What is this tooth geometric outline of mandibular central incisor when viewed from the distal?

A

triangular

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12
Q

What is this tooth geometric outline of mandibular central incisor when viewed from the incisal?

A

circular

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13
Q

How many roots and how many canals does Mandibular Central Incisor have?

A

1 root; can have 1 or 2 canals

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14
Q

Name the following structures (A, B, and C)Lingual View

A

A: Cingulum

B: lingual fossa: not prominent

C:Distal marginal ridge

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15
Q

The incisal edge lays ______ (facial or lingual) to an imaginary line that bisects the mesial surface

A

lingual

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16
Q

What is the Universal Notation for the Mandibular right lateral incisor?

A

23

17
Q

What is the Universal Notation for the Mandibular left lateral incisor?

A

23

18
Q

How does the Mandibular Lateral Incisor compare in size to the Mandibular Central Incisor?

A

lateral is larger

19
Q

How can you determine whether this is a mandibular central incisor or a mandibular lateral incisor?

A

larger in size, lateral wider mesiodistally on facial, tooth is not symmetrical

20
Q

Which is the mesialand which the distal view of the Mandibular Lateral Incisor?

A

A: mesial

B: distal

21
Q

Which is the mesial and which the distal view of the Mandibular Central Incisor?

A

A: mesial

B: distal

22
Q

Is the crown of mandibular central incisor broader MD or FL?

A

faciolingually

23
Q

Is the crown of mandibular central incisor broader MD or FL?

A

Faciolingulaly

24
Q

Where are the M and D interproximalcontact areas of mandibular central incisors located?

A

Mesial: incisal 1/3

Distal: incisal 1/3

25
Q

Name the 4 embrasures that form around the M contact areas of #s 24 & 25.

A

incisal, gingival, facial, and lingual

structure basics (18 decks)

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