OALAB - MD 1ST

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13 Terms

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MD 1ST
Largest mandibular tooth.
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MD 1ST
Widest tooth (M-D).
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MD 1ST
First permanent tooth to erupt, and most often restored/extracted.
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MD 1ST
Can see all 5 cusps from the buccal.
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MD 1ST
Buccal cusps are shorter and blunter then the lingual cusps.
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MD 1ST

5 cusps:

MB - Largest

ML - Tallest

DB

DL

DISTAL - Smallest

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MD 1ST
Occlusal pattern resembles a +< with a twisted central groove.
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MD 1ST
Has two transverse ridges, three fossae with pits, two buccal grooves (MB and DB), and a short lingual groove.
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MD 1ST
Roots are usually widely separated.
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MD 1ST
The mesial root is longer and wider (B-L).
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MD 1ST
Both roots have concavities (mesial slightly more prominent).
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MD 1ST
The root trunk is typically shorter than the mandibular second molar.
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MD 1ST
Occludes with the maxillary second premolar and first molar.