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Questions and Answers
How does the length of maxillary premolar roots compare to that of the canines?
How does the length of maxillary premolar roots compare to that of the canines?
- Irrelevant
- Longer
- Equal
- Shorter (correct)
What is the total number of maxillary premolars in the permanent dentition?
What is the total number of maxillary premolars in the permanent dentition?
- Six
- Eight
- Four (correct)
- Two
Why are maxillary premolars so named?
Why are maxillary premolars so named?
- Because they are anterior to the molars in the permanent dentition (correct)
- Because they have longer crowns than the molars
- Because they are posterior to the canines
- Because of their cusp development buccally and lingually
How are the marginal ridges of maxillary premolars positioned compared to incisors and canines?
How are the marginal ridges of maxillary premolars positioned compared to incisors and canines?
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What is the geometric outline form of the buccal aspect of maxillary first premolar?
What is the geometric outline form of the buccal aspect of maxillary first premolar?
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Study Notes
Comparison of Maxillary Premolar Roots
- Maxillary premolar roots are shorter than those of canines.
Maxillary Premolars in Permanent Dentition
- There are 4 maxillary premolars in the permanent dentition.
Origin of Name "Premolars"
- Maxillary premolars are so named because they emerge after the primary molars in the eruption sequence.
Marginal Ridges of Maxillary Premolars
- The marginal ridges of maxillary premolars are more buccally positioned compared to those of incisors and canines.
Geometric Outline of Maxillary First Premolar
- The buccal aspect of the maxillary first premolar has a rhomboidal geometric outline form.
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