Anatomy & Histology · single question
CASE 7 — How many roots and pulp horns does the maxillary first premolar (tooth #4) have?
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Correct answer: C. 2 roots, 2 pulp horns
- A. Root count of 1 is incorrect for the maxillary first premolar.
- B. 1 pulp horn is incorrect; the maxillary first premolar has 2 pulp horns.
- C. The maxillary first premolar (#4) classically has 2 roots (buccal and palatal) and 2 pulp horns (buccal and palatal). This is a key anatomical distinguishing feature used in fracture risk assessment and endodontic treatment.
- D. Incorrect for both roots and horns.
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