Oral Anatomy 4 - The Maxillary Second (lateral) Deciduous Incisor
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How does the maxillary second deciduous incisor compare to the mandibular first central incisor?
- This is similar in shape to the maxillary first deciduous incisor though smaller.
- One obvious difference is the more accute mesioincisal angle and the more rounded distoincisal angle.
What is the palatal surface like for the maxillary second deciduous incisor?
The palatal surface is more concave and the marginal ridges are more pronounced.
How does the maxillary second deciduous incisor appear when viewed incisally?
Viewed incisally, the crown appears almost cirvular (in contrast to the central incisor which appears diamond shaped).
What cingulums does the maxillary second deciduous incisor have?
- As with the first deciduous incisor, there is a rounded labial cingulum cervically.
- The palatal cingulum is generally lower than that of the first deciduous incisor.
What is the cervical margin like for the maxillary second deciduous incisor?
The course of the cervical margin and the shape of the root are similar to those of the first deciduous incisor.
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