In comparison with the permanent mandibular canine, the permanent maxillary canine in the same mouth:

# In comparison with the permanent mandibular canine, the permanent maxillary canine in the same mouth:

a) Has a shorter root

b) Is wider mesiodistally

c) Is narrower mesiodistally

d) Has a less pronounced cingulum

The correct answer is b) Is wider mesiodistally

The permanent maxillary canine is wider mesiodistally than the permanent mandibular canine in the same mouth, with typical crown measurements of about 7.5 mm for the maxillary canine compared to 7.0 mm for the mandibular canine. In contrast, the maxillary canine has a longer root (around 17 mm versus 16.5 mm for the mandibular), and its cingulum is more developed and prominent on the lingual surface than the mandibular canine's.

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