Lecture 4- Mandibular Incisors

Question 1

What are the numbers of the mandibular central incisors?

Answer 1

24 and 25

Question 2

What are the numbers of the mandibular lateral incisors?

Answer 2

23 and 26

Question 3

What is it called when two adjacent teeth contact?

Answer 3

interproximal contact

Question 4

What are the spaces that widen out from the contacts between teeth?

Answer 4

embrasures

Question 5

What are the four embrasures of anterior teeth?

Answer 5

insicsal, gingival (cervical), facial, and lingual

Question 6

Is the incisal or gingival embrasure of anterior teeth bigger?

Answer 6

gingival

Question 7

What are the four embrasures of the posterior teeth?

Answer 7

occulusal, gingival (cervical), facial (buccal), and lingual

Question 8

Is the facial or lingual embrasure of posterior teeth bigger?

Answer 8

lingual

Question 9

what is the smallest tooth in the mouth?

Answer 9

mandibular central incisor

Question 10

shape of mandibular central incisor from the facial view:

Answer 10

trapezoidal

Question 11

characteristics of mesioincisal and distoincisal line angles of mandibular central incisor:

Answer 11

sharp, 90 degrees

Question 12

What is described as the only symmetrical tooth in the mouth?

Answer 12

mandibular central incisor

Question 13

Where are the distal and incisal contacts of the mandibular central incisor?

Answer 13

incisal 1/3 -same level

Question 14

How many roots on a mandibular central incisors?

Answer 14

1

Question 15

Shape of the lingual view of mandibular central incisor:

Answer 15

trapezoidal

Question 16

Is there a cingulum in the mandibular central incisor?

Answer 16

yes, but it is not as distinct as in the maxillary incisors

Question 17

What is the shape of the mandibular central incisor from the mesial view?

Answer 17

triangular

Question 18

Where is the height of contour on the mesial view of the mandibular central incisor?

Answer 18

cervical 1/3

Question 19

Where is the incisal edge compared to the line that bisects the root of the mandibular central incisor?

Answer 19

lingually

Question 20

On which side of the mandibular central incisor is the developmental groove greater?

Answer 20

on the distal side

Question 21

How many root canals are typically in mandibular central incisors?

Answer 21

1

Question 22

What are the root canals called when there are two in mandibular central incisors?

Answer 22

facial and lingual

Question 23

What are the mesioincisal and distoincisal line angles of mandibular lateral incisors?

Answer 23

mesioincisal- 90 degreesdistoincisal- more rounded

Question 24

Where are the mesial and distal contacts on the mandibular lateral incisors?

Answer 24

incisal 1/3

Question 25

Where is the distal end of the mandibular lateral incisor compared to a insical bisecting line?

Answer 25

lingually

Question 26

How many roots in a mandibular lateral incisor?

Answer 26

1

Question 27

What is the shape of the mandibular lateral incisor root?

Answer 27

round/ovoid