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At the cervical level of the upper 1st premolar, the cross-section of the pulp cavity is most similar to the shape of a:
At the cervical level of the upper 1st premolar, the cross-section of the pulp cavity is most similar to the shape of a:
- Kidney (correct)
- Square
- Triangle
- Circle
What is the shape of the pulp chamber in the buccolingual section of the upper 1st premolar?
What is the shape of the pulp chamber in the buccolingual section of the upper 1st premolar?
- Round
- Square
- Rectangular (correct)
- Triangular
How does the pulp cavity taper in the mesiodistal section of the upper 1st premolar?
How does the pulp cavity taper in the mesiodistal section of the upper 1st premolar?
- Tapers slightly from occlusal aspect to apical foramen (correct)
- Tapers from cervical level to occlusal aspect
- Tapers from apical aspect to occlusal aspect
- Tapers uniformly throughout
What is the characteristic of the lingual root apex compared to the buccal root apex?
What is the characteristic of the lingual root apex compared to the buccal root apex?
How do the mesial and distal outlines appear on the lingual aspect of the tooth?
How do the mesial and distal outlines appear on the lingual aspect of the tooth?
Where is the maximum convexity located on the lingual surface of the crown?
Where is the maximum convexity located on the lingual surface of the crown?
Where are the shallow depressions located on the crown of the upper 1st Premolar according to the text?
Where are the shallow depressions located on the crown of the upper 1st Premolar according to the text?
What is the shape of the buccal root of the upper 1st Premolar described in the text?
What is the shape of the buccal root of the upper 1st Premolar described in the text?
In the mesial aspect, where is the crest of curvature of the buccal outline of the crown typically located?
In the mesial aspect, where is the crest of curvature of the buccal outline of the crown typically located?
In relation to the buccal cusp, where is the tip positioned in the upper 1st Premolar as per the text?
In relation to the buccal cusp, where is the tip positioned in the upper 1st Premolar as per the text?
Where is the maximum convexity of the surface of the crown located in the upper 1st Premolar according to the text?
Where is the maximum convexity of the surface of the crown located in the upper 1st Premolar according to the text?
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