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Questions and Answers
What is the main function of the maxillary permanent incisors during mastication?
What is the main function of the maxillary permanent incisors during mastication?
- Crushing
- Chewing
- Grinding
- Cutting and incising (correct)
At what age does the crown of the maxillary permanent central incisor get completed?
At what age does the crown of the maxillary permanent central incisor get completed?
- 4-5 years (correct)
- 6-7 years
- 3-4 years
- 5-6 years
How many lobes does the maxillary permanent central incisor have?
How many lobes does the maxillary permanent central incisor have?
- Three
- Two
- One
- Four (correct)
At what age does the root of the maxillary permanent central incisor get completed?
At what age does the root of the maxillary permanent central incisor get completed?
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What is the geometric outline of the labial surface of the maxillary permanent central incisor crown?
What is the geometric outline of the labial surface of the maxillary permanent central incisor crown?
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Study Notes
Maxillary Permanent Incisors
- Function during mastication: Incisors are responsible for biting and cutting food. The maxillary permanent incisors are located at the front of the mouth and are the primary teeth used for biting into food.
- Crown completion: The crown of the maxillary permanent central incisor is completed around 8 to 9 years old
- Number of lobes: The maxillary permanent central incisor has four lobes
- Root completion: The root of the maxillary permanent central incisor is completed around 10 to 12 years old.
- Labial surface outline: The labial surface of the maxillary permanent central incisor crown has a rectangular outline with slightly rounded corners.
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