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How does the mandibular first deciduous incisor compare to the permanent one?
- The mandibular central incisor is morphologically similar to its permanent successor.
- However, it is much shorter and has a low labial cingulum.
What is the incisal margin like for the mandibular first deciduous incisor?
- The mesioincisal and distoincisal angles are sharp right angles and the incisal margin is straight in the horizontal plane.
- Although there are generally no mammelons or grooves on the incisal margin, in the specimen illustrated three mammelons may be discerned.
What is the lingual surface of the mandibular first deciduous incisor like?
The lingual cingulum and the marginal ridges are poorly defined.
What is the root like for the mandibular first deciduous incisor?
The single root is more rounded than that of the corresponding permanent tooth and, when complete, tapers and tends to incline distally.