Maxillary Premolars Anatomy

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5 Questions

What is the number of maxillary premolars in the permanent dentition?

Two in the right maxilla and two in the left maxilla

Why are premolars named as such in the permanent dentition?

Because they are anterior to the molars

How many roots do maxillary first premolars typically have?

One buccal and one lingual root

What is the geometric outline of the buccal aspect of a maxillary first premolar?

Roughly trapezoidal

What is the relationship between the crown length of a maxillary first premolar and that of a canine?

Shorter than that of a canine

Study Notes

Maxillary Premolars in Permanent Dentition

  • There are 4 maxillary premolars in the permanent dentition.
  • Premolars are named as such because they erupt after the molars, but before the permanent molars.

Roots of Maxillary First Premolars

  • Maxillary first premolars typically have 2 roots.

Geometric Outline of Maxillary First Premolars

  • The buccal aspect of a maxillary first premolar has a geometric outline that is ovoid or rhomboidal in shape.

Crown Length of Maxillary First Premolars

  • The crown length of a maxillary first premolar is typically shorter than that of a canine.

Test your knowledge of the anatomy and characteristics of the maxillary premolars in the permanent dentition. This quiz covers their position, crown and root lengths, and their relation to other teeth.

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