Facial/Lingual View: Mandibular Central Incisors

Question 1

What is the correct annotation for the mandibular central incisors?

Answer 1

24 & 25

Question 2

When do the mandibular central incisors erupt?

Answer 2

6-7 years

Question 3

When is the root of the mandibular central incisors complete?

Answer 3

9yrs

Question 4

In the facial view; describe the mesial and distal line angles.

Answer 4

Almost identical, very boxy.

Question 5

Where are the contacts located on the facial view of the mandibular incisors?

Answer 5

Both on the incisal 1/3 at the same height.

Question 6

Where do the mesial and distal outlines converge on the facial view?

Answer 6

Equally cervically (giving the tooth the box shape)

Question 7

How would you describe the root from the facial view of the mandibular central incisor?

Answer 7

Narrow; distal inclanation

Question 8

From the lingual view how would you descirbe the tooth anatomy of the mand. central incisor?

Answer 8

Faint

Question 9

From the lingual view how would you describe the CEJ of the mand. central incisor?

Answer 9

More curvature due to the convergence of the crown lingually.

Question 10

How would you describe the CEJ from the facial veiw of the mand. central incisor?

Answer 10

Semicircle