21 Questions
What is the shape of the buccal cusp?
Long and sharp
What is the function of the buccal cusp?
It is the only occluding cusp
What does the buccal cusp resemble?
A mandibular canine
How many occluding cusps are present?
One
What is unique about the buccal cusp?
It is the only occluding cusp
What is a characteristic of the mesial slope of the buccal cusp?
It is shorter than the distal slope.
What can be said about the contact areas mesially and distally?
They are broad and at the same level.
What is the relationship between the mesial slope and the distal slope?
The mesial slope is shorter than the distal slope.
What is a characteristic of the buccal cusp?
It has a shorter mesial slope than distal slope.
What can be said about the buccal cusp?
It has a mesial slope that is shorter than the distal slope.
What is the tooth being described similar to in function?
Mandibular canine and mandibular second premolar
What characteristics does the tooth being described possess?
Some of those of a mandibular canine and some of a mandibular second premolar
Where is the tooth being described located?
Lower jaw
What can be said about the tooth being described?
It has a unique function
What is the relationship between the tooth being described and the mandibular second premolar?
It has some characteristics of a mandibular second premolar
What is a feature of the distal aspect?
It lacks a developmental groove.
How does the distal marginal ridge compare to the mesial marginal ridge?
It is higher and less inclined lingually.
What is a characteristic of the surface of the crown mesially?
It has a single mesio-lingual developmental groove
What is present on the surface of the crown mesially?
A mesio-lingual developmental groove
What is notable about the surface of the crown mesially?
It is smooth except for a single feature
What type of groove is present on the surface of the crown mesially?
A mesio-lingual developmental groove
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.
This quiz covers the key features of the mandibular premolar, including its shape, slopes, and surface characteristics. Test your knowledge of dental anatomy!
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