Oral Anatomy 4b - The Maxillary Deciduous Canine
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How does the maxillary deciduous canine generally appear?
- This tooth has a fang-like appearance and is similar morphologically to its permanent successor, though more bulbous.
- It is generally more symmetrical but where there is asymmetry it is usually for the mesial slope of the cusp to be longer than the distal slope.
How does the crown of the maxillary deciduous canine appear?
- Bulging of the tooth gives the crown a diamond-shaped appearance when viewed labially or palatally, with the crown margins overhanging the root profiles.
- The width of the crown is greater than its length.
How does the maxillary deciduous canine appear from the labial and palatal aspects?
- On the labial surface there is a low cingulum cervically, from which runs a longitudinal ridge up to the tip of the cusp.
- A similar longitudinal ridge also runs on the palatal surface.
- This ridge extends from the cusp apex to the palatal cingulum and divides the palatal surface into two shallow pits.
- The marginal ridges on the palatal surface are low and indistinct.
What is the root like for the maxillary deciduous canine?
The root is long compared with the crown height and is triangular in cross section.
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