Questions and Answers
At what age is the root of the Mandibular Permanent Central Incisor completed?
9 years
What is the chronology of the appearance of the dental organ for the Mandibular Permanent Central Incisor?
5 m.i.u, 3 - 4 months, 4-5 years, 6-7 years
How many lobes does the Mandibular lateral Incisor have?
Four lobes (three mamelons and cingulum)
What is the function of the Mandibular lateral Incisor?
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What is the type of edge on the Mandibular lateral Incisor?
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Study Notes
Development of Mandibular Permanent Central Incisor
- The root of the Mandibular Permanent Central Incisor is completed at around 9-10 years of age.
Development of Mandibular Permanent Central Incisor (Chronology)
- The dental organ for the Mandibular Permanent Central Incisor appears in the following order:
- Initiation: 3-4 months in utero
- Morphodifferentiation: 5-6 months in utero
- Histodifferentiation: 10-12 weeks postpartum
- Apposition: 2-3 years postpartum
- Root completion: 9-10 years postpartum
Morphology of Mandibular Lateral Incisor
- The Mandibular Lateral Incisor has 2 lobes.
Function and Morphology of Mandibular Lateral Incisor
- The function of the Mandibular Lateral Incisor is to cut and tear food during the process of mastication.
- The Mandibular Lateral Incisor has a pointed or incisal edge.
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