More Dental Anatomy Flashcards

Front 1

Name 3 functions that the anatomy of the maxillary incisors allow?

Back 1

1. Speech
2. Supports lips (esthetics)
3. Guide Mandible during movement.

Front 2

Which Mamelon on the Central Maxillary Incisor is the smallest?

Back 2

The middle

Front 3

What are Imbarcation Lines?

Back 3

Faint Curved Lines on the cervical 1/3 of central incisor.

Front 4

On the Central Maxillay incisor, is the mesial or distal side most curved?

Back 4

The Distal side is more curved, (convex) than the mesial side. *The incisal edge on the distal side is more rounded and there is also more proximal contact on the distal than medial.)

Front 5

You are looking lingually at a Central Maxillary Incisor, which marginal ridge is longest, the mesial or distal?

Back 5

The Mesial side has a longer marginal ridge.

Front 6

Which Surface of which tooth has the largest Cervical Curvature?

Back 6

Mesial Surface of the Maxillary Central Incisor!

Front 7

When looking at a Max Central Incisor from the mesial side, in what letter shape is the lingual aspect of the tooth?

Back 7

The letter "S"

Front 8

The lateral incisor is smaller than the central incisor in all aspects except...?

Back 8

Root Length

Front 9

What is a peg lateral?

Back 9

Lateral Incisor that develops that looks somewhat like a peg.

Front 10

What is a liguoginvival groove and what tooth can it be found on?

Back 10

Groove found where the lingual fossa joins cingulum, found on side of cingulum, usually distal aspect. Can be found as a developmental variation of lateral incisor.

Front 11

How many mamelons are on a max lateral incisor?

Back 11

2 most commonly, but sometimes 3.

Front 12

Where is the approximation located on the distal side of the Max Lateral Incisor?

Back 12

It is located about 1/2 way down the crown.

Front 13

What angle is formed by the distal incisal corner?

Back 13

Obtuse

Front 14

Is the root of the Max Lateral Incisor longer facio-lingually or medio-distally?

Back 14

Facio-Distally

Front 15

In what direction is the apex of the root of the Max lateral incisor pointed?

Back 15

Distally

Front 16

Which cervical arch is bigger, the facial or lingual on the Central Max Incisors?

Back 16

Facial

Front 17

In which direction is the cervical line of the lingual aspect of the lateral Max incisor offset?

Back 17

Distally

Front 18

Which is tooth normally has a deeper lingual fossa, the Central or Lateral Maxillary incisors?

Back 18

Lateral Maxillary incisors

Front 19

Explain the difference in proportions of the Max Central and Lateral Incisors Root Length to Crown length.

Back 19

The Max Central Incisor crown is about the same length as the root inciso-cervically. The length of the root is usually longer than the crown on the max lateral incisor

Front 20

Which is a more symmetric (rectangular) tooth, the max central incisor or the max lateral incisor?

Back 20

Max Central Incisor

Front 21

Which root is longer, the Max central incisor or the Max Lateral Incisor?

Back 21

Neither, they are the same size.

Front 22

Which root apex is more blunt, the max central incisor, or the lateral central incisor?

Back 22

Max Central incisor.

Front 23

Which incisal edge is most curved, the maxillary central incisor or lateral incisor?

Back 23

The max lateral incisor.

Front 24

Comparing the central and lateral max incisors, which tooth has it's proximal contacts more cervically?
Are the contacts on both teeth oriented more cervically distally or mesially?

Back 24

Lateral incisors, Distally.

Front 25

In which direction is the cingulum more developed on the Central Max Incisor?

Back 25

Distally

Front 26

Which cingulum is most centered, the lateral Max incisor, or the central Max incisor?

Back 26

Lateral Max incisor

Front 27

Which tooth has more prominent lingual marginal ridges? The mx lateral incisor or mx central incisor?

Back 27

Mx lateral incisors. They also go more cervically.

Front 28

Which tooth is more likely to have a lingual pit, the mx central incisor or the mx lateral incisor?

Back 28

Mx lateral incisor has deeper fossa, more likely to have pit.

Front 29

Which crown has the thickest incisal crown distance, the mx central incisor or the mx lateral incisor?

Back 29

The MX Lateral incisor has the thickest incisor distance.

Front 30

What shapes are the incisal view of the mx central and mx lateral incisors?

Back 30

Triangular and triangular

Front 31

Which root has a more overall taper looking at the tooth mesially? the mx central incisor or lat incisor?

Back 31

mx. lat incisor

Front 32

Which tooth in the mouth has the smallest mesiodistal distance?

Back 32

The mand central incisor

Front 33

In which direction does the root of the mand central incisor taper?

Back 33

Generally distally, opinions differ if it tapers at all.

Front 34

Looking at the mand central incisor mesially, which direction does the cervical line tilt?

Back 34

Incisally

Front 35

What shape is a cross section of the mand central incisor root?

Back 35

Ovoid (peanut shaped)

Front 36

Does the cervical line go more incisally on the distal or medial side of the central mand incisor?

Back 36

Distal

Front 37

On which side, distal or medial, may the depression on the root of the mand central incisor be more prominent?

Back 37

Distal

Front 38

Is the facio lingual of mesio distal dimension of the mand central incisor more prominent?

Back 38

Facio lingual

Front 39

Which corner of the mand lateral incisor is more rounded? Distally or Mesially?

Back 39

Distally

Front 40

In what direction does the incisal edge of the mand lateral incisor slope slightly usually?

Back 40

Distally

Front 41

Facial developmental depressions are found on what percentage of mand lateral incisors?

Back 41

51%

Front 42

On which side of the mand lateral incisor is the incisal proximal edge more cervical?

Back 42

Distal

Front 43

Is the cervical line more incisal on the distal or mesial side of the mand central incisor?

Back 43

Distal

Front 44

Is the mand central incisor bilaterally symmetrical?

Back 44

No, incisal edge does not form right angle with faciallingual bisecting line.

Front 45

Which tooth appears twisted at the root looking incisally?

Back 45

Mand Lateral Incisor