The size of apical foramen of maxillary teeth in adult is______________?
Correct answer: A. 0.4 mm
- A. 0.4 mm
- B. 0.3 mm
- C. 0.2 mm
- D. 0.7 mm
Explanation
The average apical foramen diameter in adult maxillary teeth is approximately 0.4 mm. The exact size varies with the tooth and age, but 0.4 mm is the standard approximate value used in dental anatomy and endodontics.
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