Surface Anatomy of Upper Incisors Lecture

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Questions and Answers

What is the function of the upper incisors?

Tearing
Cutting (correct)
Grinding
Chewing

At what age does the enamel of the upper central incisor get completed?

7-8 years
4-5 years (correct)
10 years
3-4 months

How many lobes is each upper incisor formed of?

2 labially and 2 lingually
1 labially and 3 lingually
4 labially and 4 lingually
3 labially and 1 lingually (correct)

How many types of incisors are there in each arch?

<p>2 central incisors & 2 lateral incisors (B)</p> Signup and view all the answers

What is the geometric outline of the labial surface of the upper incisors?

<p>Trapezoid, long side cervically and short side incisally (B)</p> Signup and view all the answers

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Study Notes

What is the function of the upper incisors? At what age does the enamel of the upper central incisor get completed? How many lobes is each upper incisor formed of? How many types of incisors are there in each arch? What is the geometric outline of the labial surface of the upper incisors?