Dental Anatomy: Characteristics of Maxillary Lateral Incisor

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Questions and Answers

What is the shape of the root?

Tapered (correct)

Straight

Circular

Rectangular

What is the direction of the curvature of the root?

Laterally

Distally (correct)

Medially

Proximally

What is the shape of the apex?

Blunt

Pointed (correct)

Flat

Rounded

How many roots does it have?

One Signup and view all the answers

What is the general direction of the root?

Away from the surface Signup and view all the answers

What is the shape of the crown compared to the maxillary central incisor?

More rounded Signup and view all the answers

How does the length of the crown compare to the maxillary central incisor?

It is shorter Signup and view all the answers

What is the mesio-distal width of the crown compared to the maxillary central incisor?

Narrower Signup and view all the answers

What can be said about the overall shape of the crown compared to the maxillary central incisor?

It is more rounded and shorter Signup and view all the answers

Which of the following is a characteristic of the crown compared to the maxillary central incisor?

It is more rounded and narrower Signup and view all the answers

What is the location of the crest of curvature in the mesial outline?

Between the middle and incisal thirds Signup and view all the answers

What is the shape of the mesio-incisal angle in the mesial outline?

More rounded Signup and view all the answers

What is similar in the mesial outline to the maxillary central incisor?

The overall shape of the outline Signup and view all the answers

What is the contact point also known as?

Crest of curvature Signup and view all the answers

What is the shape of the mesial outline?

Rounded Signup and view all the answers

What is the difference between the crown and the root of the teeth?

The crown is shorter and more fragile than the root Signup and view all the answers

What is the characteristic of the crown compared to the root?

It is shorter and more fragile Signup and view all the answers

What is true about the relationship between the crown and the root?

The crown and the root are distinct parts of the tooth Signup and view all the answers

What is the difference between the length of the crown and the root?

The root is longer than the crown Signup and view all the answers

What is the nature of the crown compared to the root?

It is weaker and more fragile Signup and view all the answers

What is the comparison between the root of the maxillary central incisor and the number 4?

The root is shorter than 4 Signup and view all the answers

What is the shape of the maxillary central incisor root?

Cone-shaped Signup and view all the answers

In which direction does the root of the maxillary central incisor curve?

Distally Signup and view all the answers

What is the characteristic of the apex of the maxillary central incisor?

Pointed Signup and view all the answers

What is the description of the maxillary central incisor in terms of its shape and apex?

4 evenly and curves distally in a tapered root with a pointed apex Signup and view all the answers

Study Notes

Characteristics of the Crown

The crown is more rounded, shorter, and narrower mesio-distally than the maxillary central incisor.
The crown has a more rounded mesio-incisal angle.

Characteristics of the Root

The root has a single root with a tapered, distally curved, pointed apex.
The root is shorter and cone-shaped with a blunt apex.
The root is shorter than the maxillary central incisor.
The root tapers evenly and curves distally in a pointed apex.

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Description

This quiz covers the unique features of the maxillary lateral incisor, including its shape, size, and mesio-distal dimensions.