Morphology of Upper Second Molar

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Questions and Answers

What is a characteristic of the buccal roots of the maxillary second molar?

They are longer than the palatal root
They are parallel and inclined distally more than the maxillary first molar (correct)
They are wider mesiodistally than the first molar
They are 11mm in length

What is the length of the buccal roots of the maxillary second molar?

12mm
11mm (correct)
10.5mm
10mm

What can be said about the fifth cusp in the maxillary second molar?

It is smaller than in the maxillary first molar
It is absent (correct)
It is larger than in the maxillary first molar
It is more prominent than the distolingual cusp

How does the length of the palatal root of the maxillary second molar compare to the buccal roots?

<p>It is about 1mm longer than the buccal roots (C)</p> Signup and view all the answers

Where is the apex of the lingual root of the maxillary second molar located?

<p>In the line with the distolingual cusp tip (C)</p> Signup and view all the answers

Study Notes

Buccal Aspect

The crown is shorter and narrower mesiodistally compared to the first molar.
The distobuccal cusp is smaller in size.
The buccal roots are 1mm shorter than the buccal roots of the first molar (11mm).
The buccal roots are parallel and inclined distally more than the maxillary first molar.

Lingual Aspect

The distolingual cusp is smaller than in the maxillary first molar.
The fifth cusp is absent.
The apex of the lingual root is aligned with the distolingual cusp tip.

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Description

This quiz covers the characteristics of the upper second molar, including its shape, size, and root structure. It compares the features of the upper second molar to the upper first molar.