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Questions and Answers
What is the first evidence of calcification for the maxillary central incisor?
At what age does the crown of the maxillary central incisor get completed?
At what age does the root of the maxillary central incisor get completed?
What is the geometric outline of the maxillary central incisor on the labial aspect?
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What is the shape of the mesial outline of the maxillary central incisor on the labial aspect?
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Where are the contact areas located on the labial aspect of the maxillary central incisor?
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What is the purpose of the pulp cavity in a tooth?
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Which aspect of the tooth has a convex root-wise cervical line?
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What is the function of the lingual convergence in a tooth?
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Which part of the tooth has a depression known as the 'M-shape' lingual fossa?
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Where is the crest of curvature located on the mesial aspect of a maxillary central incisor?
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What is the shape of the pulp cavity in a maxillary central incisor?
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What is the surface description of the mesial aspect of a maxillary central incisor?
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What is the primary function of the incisal ridge on a maxillary central incisor?
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Study Notes
Development of Maxillary Central Incisor
- First evidence of calcification: 3-4 months in utero
- Crown completion: 4-5 years
- Root completion: 10-11 years
Morphology of Maxillary Central Incisor
- Geometric outline on labial aspect: Elliptical
- Mesial outline shape on labial aspect: Convex
- Contact areas location on labial aspect: Cervical third
Pulp Cavity and Root
- Pulp cavity purpose: Nerve and blood vessel supply
- Aspect with convex root-wise cervical line: Labial aspect
- Function of lingual convergence: To guide the opposing tooth
Additional Features
- Part with 'M-shape' lingual fossa: Palatal surface
- Location of crest of curvature: Mesial aspect, 1 mm below the junction of the gingiva and the tooth
- Pulp cavity shape: Rhomboidal
- Surface description of mesial aspect: Flat and convex
- Primary function of incisal ridge: To guide the opposing tooth
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Description
Test your knowledge of the chronology and aspects of the maxillary central incisor with this informative quiz. Explore the developmental anomalies and key milestones in the formation and eruption of this crucial tooth.
