Orofacial Flashcards

1
Q

General rules: curvature of CEJ is about

A

1mm more on the mesial surface than the distal

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2
Q

General rules: if the tooth roots curve they usually curve

A

Distally

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3
Q

General rules: what is more rounded than the mesial incisal edges

A

Distal incisal edges of anterior teeth

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4
Q

General rules: mand anterior teeth tend to wear on what surfaces
Max anterior teeth wear on what surfaces

A

Mand: labial Incisal edge
Max: lingual Incisal edge

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5
Q

General rules: permanent molars are generally ____ in height and have fewer ____ the more posterior

A

Smaller; fewer cusps

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6
Q

Roots of molars tend to be shorter and closer together the more posterior T/F

A

True

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7
Q

Molars which one has widest and longest roots

A

First molars

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8
Q

Max incisors crown is wider?

A

Mesiodistally than faciolingually

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9
Q

Crown of max incisors is ____ on labial side

A

Convex

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10
Q

Crown of max incisors is ____ on lingual side

A

Concave

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11
Q

Greater crown to root ratio

A

Max centrals

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12
Q

Max central incisors mesioincisal angle is

A

Sharp (90°)

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13
Q

Mand incisors crown is wider

A

Faciolingually than mesiodistally

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14
Q

Mand centrals cervical line curves more incisally on

A

Mesial

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15
Q

Mand centrals height of curvature of the cervical line is greater on

A

Mesial

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16
Q

Canines have a single conical cusp with a

A

Well developed mesiofacial love

17
Q

Max canines cervical lines curves more incisally on

A

Mesial than distal

18
Q

Mand canines lingual surface almost

A

Smooth with poorly developed ridges Cingulum and fossa

19
Q

Premolars have at least how many cusps

20
Q

Maxillary premolars how many cusps

A

2 major; buccal and lingual

21
Q

Max premolars are wider

A

Faciolingually than mesiodistally

22
Q

Max premolars facial and lingual cusps nearly the same

23
Q

Max first premolar facial cusp is slightly

A

Longer than lingual cusp

24
Q

Maxillary 1st premolar how many roots

25
Mand premolars cusps
Prominent facial cusp with one or two much smaller lingual cusps
26
Mand 1st premolar occlusal surface tilted towards
Lingual side
27
Mand first premolar cervical line on medial curves more
Occlusally than on distal
28
Maxillary molars crowns wider
Faviolingually than mesiodistally (3 roots: 2 facial 1 lingual)
29
Where is 5th cusp situated on max first molar
Mesiolingual cusp
30
Mand molars crowns wider
Mesiodistally than faciolingually
31
Mand first molar how many cusps how many roots
3 facial cusps 2 roots
32
How many roots and canals do max first molars have
3 roots 4 canals
33
How many roots and canals do max second molars have
3 and 3
34
How many roots and canals do mand first molars have
2 roots 3 canals
35
Mand second molar roots and canals
2 and 2