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Questions and Answers
How many cusps are usually found on mandibular first molars?
How many cusps are usually found on mandibular first molars?
- Three
- Seven
- Two
- Five (correct)
In normal class I occlusion, the mandibular first molar generally opposes which maxillary teeth?
In normal class I occlusion, the mandibular first molar generally opposes which maxillary teeth?
- Maxillary central incisors and maxillary lateral incisors
- Maxillary second molars and maxillary first premolar
- Maxillary first molars and maxillary 2nd premolar (correct)
- Maxillary canines and maxillary first premolar
The mandibular first molar is located distally from which teeth?
The mandibular first molar is located distally from which teeth?
- Mandibular second premolars (correct)
- Mandibular first molars
- Mandibular first premolars
- Mandibular second molars
What is the principal action of mandibular first molars during mastication?
What is the principal action of mandibular first molars during mastication?
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How is the shape of the developmental and supplementary grooves on the occlusal surface of mandibular first molars described?
How is the shape of the developmental and supplementary grooves on the occlusal surface of mandibular first molars described?
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Study Notes
Mandibular First Molars
- Typically, 5 cusps are found on mandibular first molars.
Occlusion and Position
- In normal class I occlusion, the mandibular first molar generally opposes the maxillary first and second premolars.
Tooth Position
- The mandibular first molar is located distally from the second primary molar.
Function During Mastication
- The principal action of mandibular first molars during mastication is crushing.
Occlusal Surface Features
- The developmental and supplementary grooves on the occlusal surface of mandibular first molars are described as being V-shaped.
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Description
Test your knowledge of dental anatomy with this quiz on the mandibular first molar. Identify its location, function, and relationships with other teeth in the mouth.
