Dental Anatomy Midterm 1 Unit 5 Flashcards Preview

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Flashcards in Dental Anatomy Midterm 1 Unit 5 Deck (10)
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1
Q

What are the names of the 4 developmental lobes on anterior teeth?

A
  1. Distal labial lobe
  2. Middle labial lobe
  3. Mesial labial lobe
  4. Lingual lobe
2
Q

What are imbrication lines?

A

slight ridges that extend mesiodistally in the cervical third of enamel

3
Q

What are developmental grooves?

A

appear from the coalescing of the developmental lobes and are usually called lingual grooves

4
Q

What are supplemental grooves?

A

arise from the primary or developmental groove

5
Q

What are developmental pits?

A

pits that are located in the deepest part of each fossa

6
Q

What is a cingulum?

A

Raised rounded area on the cervical third of the lingual surface in varying degrees of prominence or developmental anteriors

7
Q

What is the shape of incisors?

A
labially = trapezoid
mesially = triangle
8
Q

What is the shape of canines?

A
labially = pentagon
mesially = triangle
9
Q

What is the shape of premolars?

A
buccally = pentagon
mesially = trapezoid (maxillary)
mesially = rhomboid (mandibular)
10
Q

What is the shape of molars?

A
buccally = trapezoid
mesially = trapezoid (maxillary)
mesially = rhomboid (mandibular)