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The root trunk of the maxillary first premolar is typically more than half of the root length.
The root trunk of the maxillary first premolar is typically more than half of the root length.
False
From the mesial aspect, the crest of curvature buccally is often located at the junction of the cervical and middle thirds.
From the mesial aspect, the crest of curvature buccally is often located at the junction of the cervical and middle thirds.
True
The mesial developmental depression (MDD) lies apically beyond the cervical line.
The mesial developmental depression (MDD) lies apically beyond the cervical line.
True
The lingual cusp is longer than the buccal cusp by 1mm on the mesial aspect of the crown and root.
The lingual cusp is longer than the buccal cusp by 1mm on the mesial aspect of the crown and root.
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The mesial marginal ridge is located at the junction of the occlusal and middle thirds.
The mesial marginal ridge is located at the junction of the occlusal and middle thirds.
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The maxillary first premolar usually does not feature a mesiolingual developmental groove (MLDG).
The maxillary first premolar usually does not feature a mesiolingual developmental groove (MLDG).
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The measurement from the tip of the buccal cusp to the tip of the lingual cusp is equal to the buccolingual measurement of the root at its cervical portion.
The measurement from the tip of the buccal cusp to the tip of the lingual cusp is equal to the buccolingual measurement of the root at its cervical portion.
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The lingual cusp is sharper than the buccal cusp on the maxillary first premolar.
The lingual cusp is sharper than the buccal cusp on the maxillary first premolar.
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The cervical line on the maxillary first premolar typically has a straight outline.
The cervical line on the maxillary first premolar typically has a straight outline.
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The buccal and lingual cusp tips align with each other on the maxillary first premolar.
The buccal and lingual cusp tips align with each other on the maxillary first premolar.
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