Characteristics of Mandibular Premolar

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Questions and Answers

What is the shape of the buccal cusp?

Round

Oval

Triangular

Long and sharp (correct)

What is the function of the buccal cusp?

It is the only occluding cusp (correct)

It supports the facial tissue

It is a non-occluding cusp

It is a secondary cusp

What does the buccal cusp resemble?

A premolar

A mandibular canine (correct)

A maxillary canine

An incisor

How many occluding cusps are present?

One Signup and view all the answers

What is unique about the buccal cusp?

It is the only occluding cusp Signup and view all the answers

What is a characteristic of the mesial slope of the buccal cusp?

It is shorter than the distal slope. Signup and view all the answers

What can be said about the contact areas mesially and distally?

They are broad and at the same level. Signup and view all the answers

What is the relationship between the mesial slope and the distal slope?

The mesial slope is shorter than the distal slope. Signup and view all the answers

What is a characteristic of the buccal cusp?

It has a shorter mesial slope than distal slope. Signup and view all the answers

What can be said about the buccal cusp?

It has a mesial slope that is shorter than the distal slope. Signup and view all the answers

What is the tooth being described similar to in function?

Mandibular canine and mandibular second premolar Signup and view all the answers

What characteristics does the tooth being described possess?

Some of those of a mandibular canine and some of a mandibular second premolar Signup and view all the answers

Where is the tooth being described located?

Lower jaw Signup and view all the answers

What can be said about the tooth being described?

It has a unique function Signup and view all the answers

What is the relationship between the tooth being described and the mandibular second premolar?

It has some characteristics of a mandibular second premolar Signup and view all the answers

What is a feature of the distal aspect?

It lacks a developmental groove. Signup and view all the answers

How does the distal marginal ridge compare to the mesial marginal ridge?

It is higher and less inclined lingually. Signup and view all the answers

What is a characteristic of the surface of the crown mesially?

It has a single mesio-lingual developmental groove Signup and view all the answers

What is present on the surface of the crown mesially?

A mesio-lingual developmental groove Signup and view all the answers

What is notable about the surface of the crown mesially?

It is smooth except for a single feature Signup and view all the answers

What type of groove is present on the surface of the crown mesially?

A mesio-lingual developmental groove Signup and view all the answers

Study Notes

Characteristics of the Mandibular Premolar

Has a buccal cusp that is long, sharp, and is the only occluding cusp, resembling the mandibular canine.
Mesial slope of the buccal cusp is shorter than the distal slope.
Contact areas mesially and distally are broad and at the same level.
Surface of the crown mesially is smooth except for the presence of the mesio-lingual developmental groove.
No developmental groove in the distal aspect.
Distal marginal ridge is higher than the mesial marginal ridge, with less inclination lingually.

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Description

This quiz covers the key features of the mandibular premolar, including its shape, slopes, and surface characteristics. Test your knowledge of dental anatomy!