Incisors Flashcards

1
Q

Mandibular distal malocclusion

A

Retrognathic profile (22%)

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2
Q

Mandibular mesial malocclusion

A

Prognathic profile (6%)

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3
Q

Max CI: IC vs MD dimension

A

Wider IC than MD

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4
Q

What teeth have incisal edges more likely lingual to midroot axis?

A

Mandibular incisors

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5
Q

Which have wider crowns FL: Mand I or Max I?

A

Mand I

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6
Q

Which incisor has root that is only slightly longer than crown?

A

Max CI

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7
Q

Max CI root cross section shape

A

triangular

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8
Q

Max LI root cross section shape

A

Oval

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9
Q

Max CI cingulum located

A

distally to midroot axis

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10
Q

Max LI cingulum located

A

center-at midroot axis

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11
Q

On all anterior teeth which CEJ curves more?

A

mesial CEJ

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12
Q

Root depression on Max CI

A

none

rarely shallow depression on mesial

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13
Q

Max CI crown shape from incisal view

A

triangle

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14
Q

Max LI crown shape from incisal view

A

Oval

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15
Q

Which max I is more convex labially (more labial curvature)

A

Max LI

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16
Q

Mand I have longer or shorter roots relative to crown compared to max I

A

longer

17
Q

Mand LI cingulum location

A

distal to midroot axis

18
Q

Mand CI cingulum location

A

centered-at midroot axis

19
Q

Mand I root depressions?

A

Yes. Mesial and distal

20
Q

Mand roots wider FL or MD?

A

FL

21
Q

Mand I root shape cross section

A

kidney or bow

22
Q

Only incisor w/ contact in middle third

A

max LI distal contact

23
Q

Max CI contacts

A

M: Incisal third
D: I/M junction

24
Q

Max LI contacts

A

M: Incisal third
D: Middle third

25
Q

Mand CI contacts

A

M: Incisal third
D: Incisal third

26
Q

Mand LI contacts

A

M: Incisal third
D: Incisal third