Flash Cards (Dental Anatomy, Physiology and Occlusion) Part 7
Mandibular Left Lateral Incisor
|
Palmen 2 |
Universal: 23 International (FDI):32
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CHARACTERISTICS
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LATERAL INCISOR
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Facial/Labial Aspect
|
|
Symmetry
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Asymmetrical·
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ProximaL contacts
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MesiaL
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IncisaL third
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DistaL
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IncisaL third
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MesioincisaL angLes
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Some rounding
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DistoincisaL angLes
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More rounded than mesioincisaL angLe
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Incisal Aspect
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IncisaL edge (ridge)
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DistoLinguaL twist to a Line bisecting
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|
cinguLum
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PuLp horn(s)
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VariabLe; more prominence
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Lobes
|
4
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Dimensions
|
|
Crown Length
|
9.5 mm (cervico-incisaL)
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Crown diameter
|
|
MesiodistaL
|
5.5 mm
|
CervicaL
|
4.0 mm
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LabioLinguaL
|
6.5 mm
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Contour height
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Less than 0.5 mm
|
FaciaL/LinguaL
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Both cervicaL third
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Root
|
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Length
|
14.0 mm
|
PuLp (root) canaL(s)
|
1
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Chronology
|
|
Eruption
|
7-8 yr
|
Root compLeted
|
10 yr
|
Mandibular Left Central Incisor
|
|
Universal: 24 International (FDI): 31
|
CHARACTERISTICS
|
CENTRAL INCISOR
|
Facial/Labial Aspect
|
|
Symmetry
|
SymmetricaL biLateraLLy
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ProximaL contacts
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|
MesiaL
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IncisaL third
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DistaL
|
IncisaL third
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MesioincisaL angLes
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Sharp right angLes
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DistoincisaL angLes
|
Sharp right angLes
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Incisal Aspect
|
|
IncisaL edge (ridge)
|
Right angLe to Line bisecting cinguLum
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PuLp horn(s)
|
1 or 0
|
Lobes
|
4
|
Dimensions
|
|
Crown Length
|
9.0 mm
|
Crown diameter
|
|
MesiodistaL
|
5 mm
|
CervicaL
|
3.5 mm
|
LabioLinguaL
|
6.0 mm
|
Contour height
|
Less than 0.5 mm
|
FaciaL/LinguaL
|
Both cervicaL third
|
Root
|
|
Length
|
12.5 mm
|
PuLp (root) canaL(s)
|
UsuaLLy 1; 2 possibLe
|
Chronology
|
|
Eruption
|
6-7 yr
|
Root compLeted
|
9 yr
|
Mandibular Left First Premolar
|
|
Universal: 21
|
International (FDI): 34
|
CHARACTERISTICS
|
|
FIRST PREMOLAR
|
Facial/Buccal Aspect
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ProximaL contacts
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|
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Cervico-occLusaL
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MesiaL/distaL, middLe third
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Form
|
|
AsymmetricaL
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Lingual Aspect
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|
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BuccaL profiLe
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|
ALL buccaL profiLe seen
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Cusp height
|
|
LinguaL Less than buccaL
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Mesial Aspect
|
|
|
OccLusaL pLane
|
|
TiLted LinguaLLy
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Transverse ridge or
|
buccaL trianguLar ridge
|
Transverse ridge present
|
Occlusal Aspect
|
|
|
OutLine form
|
|
Diamond-shaped
|
Cusps
|
|
2
|
Lobes
|
|
4
|
Dimensions
|
|
|
Crown Length
|
|
8.5 mm (cervico-occLusaL)
|
Crown diameter
|
|
|
MesiodistaL
|
|
7.0 mm
|
CervicaL
|
|
5.0 mm
|
BuccoLinguaL
|
|
7.5 mm
|
Contour height
|
|
|
FaciaL
|
|
CervicaL third
|
LinguaL
|
|
MiddLe third
|
Root
|
|
|
Length
|
|
14.0 mm
|
PuLp canaL(s)
|
|
1
|
PuLp horn(s)
|
|
1
|
Chronology
|
|
|
Eruption
|
|
10-12 yr
|
Root compLeted
|
|
12-13 yr
|
Mandibular Left Canine
|
|
Universal: 22 International (FDI): 33
|
CHARACTERISTICS
|
LEFT CANINE
|
Facial/Labial Aspect
|
|
ProximaL contacts
|
|
MesiaL
|
IncisaL third
|
DistaL
|
MiddLe third
|
Mesial Aspect
|
Narrower, Longer
|
Lingual Aspect
|
FLat LinguaL surface
|
MarginaL ridges
|
ParaLLeL or sLightLy converging
|
CinguLum
|
SmaLLer, may be off center distaLLy
|
LinguaL pits, grooves
|
None
|
Incisal Aspect
|
Less symmetry; distaL cusp ridge rotated
|
Incisal/Proximal Aspects
|
Cusp tip LinguaL to root axis Line
|
Dimensions
|
|
MesiodistaL
|
7.0 mm
|
LabioLinguaL
|
7.5 mm
|
IncisaL-cervicaL
|
11.0 mm
|
Contour height
|
Less than 0.5 mm
|
FaciaL/LinguaL
|
Both cervicaL third
|
PuLp horn(s)
|
1
|
Lobes
|
4
|
Root
|
|
TerminaL (number)
|
Maybe 2
|
Length
|
16 mm
|
Chronology
|
|
Eruption
|
9-10 yr
|
Root compLeted
|
12-14 yr
|