Mandibular Incisors

Question 1

Which mandibular incisor is the most symmetrical?

Answer 1

Central Incisor

Question 2

From an incisal view, how would you differentiate between the mesial and distal surfaces of a mandibular incisor?

Answer 2

Crown is twisted on root; the distal edge is curved towards the distal.

Question 3

Which of the mandibular incisors will usually exhibit only one incisal facet of wear?
a. What is a wear facet?

Answer 3

Central Incisor

a. The number of teeth that touch the tooth from the opposing arch

Question 4

From a facial view, describe the location of the M and D HOC of the mandibular central?
a. Mandibular lateral?

Answer 4

M and D HOC at same height in the incisal third

a. M HOC in the incisal third; D HOC in the incisal third (a little more cervical)

Question 5

Which measurement is larger in a mandibular incisor (MD or FL)?

Answer 5

FL

Question 6

What mandibular incisor typically forms a lingual pit?

Answer 6

None

Question 7

What are Mamelons?

a. Are they usually present in adults?

Answer 7

Developmental lobes that form teeth

a. No

Question 8

From a proximal view, where is the incisal edge of a mandibular incisor located relative to the mid-root axis?

Answer 8

Lingual to the mid-root axis

Question 9

What anatomical structure is found cervical to the lingual fossa of a mandibular incisor?

Answer 9

Cingulum