Flash Cards (Dental Anatomy, Physiology and Occlusion) Part 1

Maxillary Right Lateral Incisor

LATERAL INCISOR

Palmer: 2]

Universal: 7 International (FDI): 12

CHARACTERISTICS

Facial/Labial Aspect

Proximal, contacts

Mesial.

Junction incisal/middle thirds

Distal

Middle third

Mesioincisal angle

Slightly rounded

Distoincisal angle

Distinctly rounded

Mesiodistal width

Comparatively narrow

Pulp horn(s)

Usually 2 (facial view)

Lobes

4

Lingual Aspect

Marginal ridges

More prominent

Cingulum

More prominent

Fossa

Deep

Incisal Aspect

Outline

Ovoid

Labial

More convex

Dimensions

Crown length

9 mm (cervico-incisal)

Crown diameter

Mesiodistal

6.5 mm

Labiolingual

6.0 mm

Contour height

0.5 mm

Facial/lingual

Both cervical third

Root

Length

13.0 mm

Pulp canal(s)

Less frequent apical accessory canals

Chronology

Eruption

8-9 yr

Root completed

11 yr

Maxillary Right Central Incisor

Universal: 8 International (FDI): 11

CHARACTERISTICS

CENTRAL INCISOR

Facial/Labial Aspect

Proximal contacts

Cervico-incisal location

Mesial

Incisal third

Distal

Junction incisal/middle third

Mesioincisal angle

Sharp right angle

Distoincisal angle

Slight rounding

Mesiodistal width

Comparatively wide

Pulp horn(s)

3 (facial view)

Lobes

4

Lingual Aspect

Marginal ridges

Moderate

Cingulum

Moderately pronounced

Fossa

Moderately deep

Incisal Aspect

Outline

Triangular

Labial

Slightly convex

Dimensions

Crown length

10.5 mm (cervico-incisal)

Crown diameter

Mesiodistal

8.5 mm

Labiolingual

7.0 mm

Contour height

0.5 mm

Facial/lingual

Both cervical third

Root

Length

13.0 mm

Pulp canal(s)

1

Chronology

Eruption

7-8 yr

Root completed

10 yr

Maxillary Right First Premolar

Universal: 5 International (FDI): 14

CHARACTERISTICS

FIRST PREMOLAR

Facial/Buccal Aspect

Proximal contacts

Mesial/distal: middle third

Shoulders

Prominent

Buccal cusp

Tipped more to distal

Cusp ridges

Longer mesial ridge

Cusp size, height

Slightly wider, longer

Lingual Aspect

Buccal profile visible

Mesial Aspect

Mesiomarginal groove

Crosses marginal ridge

Mesial concavity

Present

Mesial root depression

Present

Occlusal Aspect

Profile

Hexagonal

Central groove

Long

Supplemental groves

Usually not present

Lobes

4

Pulp horn(s)

2

Dimensions

Crown length

8.5 mm (cervico-occlusal)

Crown diameter

Mesiodistal

7.0 mm

Cervical

5.0 mm

Buccolingual

9.0 mm

Contour height

Facial/buccal crest

Cervical third

Lingual

Middle third

Root

Length

14.0 mm

Grooves

Distinct, longitudinal

Number of roots

Usually 2

Pulp canal(s)

Often 2

Chronology

Eruption

10-11 yr

Root completed

12-13 yr

Maxillary Right Canine

Universal: 6 International (FDI): 13

CHARACTERISTICS

CANINE

Facial/Labial Aspect

Proximal contacts

Mesial

Junction incisal/middle third

Distal

Middle third

Mesial Aspect

Wider faciolingually

Lingual Aspect

Deeper lingual fossae

Marginal ridges

Pronounced; 2 fossae

Cingulum

Large, centered mesiodistally

Lingual pits, grooves

Common

Incisal Aspect

Marked asymmetry of mesial/distal halves

Incisal/Proximal Aspects

Cusp tip may be at or labial to root axis line

Dimensions

Mesiodistal

7.5 mm

Labiolingual

8.0 mm

Incisal-cervical

10.0 mm

Contour height

0.5 mm

Facial/lingual

Both cervical third

Pulp horn(s)

1

Lobes

4

Root

Terminal (number)

1

Length

17 mm

Chronology

Eruption

11-12 yr

Root completed

13-15 yr