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8 terms

Traits that Distinguish Maxillary from Mandibular Molars

STUDY
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Maxillary Molars are wider ___ than ___.(___). Widest tooth in the Mouth Faciolingually is ___.
vs.
Mandibular molars are wider ___ than ___. (___) Widest tooth int he Mouth: ___.
Faciolingual than mesiodistally; (square or rhomboid shaped occlusal) 1st max molar; mesiodistally than faciolingually (rectangular or pentagon shaped occlusal); 1st mand molar
Maxillary Molars crowns are aligned ___over the roots
vs.
Mandibular Molars crowns ___ at the cervix
Directly; tilt lingually
Maxillary Molars have ___ roots (largest is ___, then ___, shortest is ___)
vs.
Mandibular Molars usually have ___ roots (a larger ___ and a smaller ___)
3; lingual; mesiobuccal; distobuccal
2; mesial; distal
Maxillary Molars ___ ridge running diagonally from mesiolingual to distobuccal
vs.
Mandibular Molars have 2 ___ ridges running directly buccolingually
Oblique; transverse
Maxillary Molars usually have ___ cusps
vs.
Mandibular Molars usually have ___ to ___ cusps
4; 4 to 5
Maxillary Molars order of cusp size ___>___>___>___
ML>MB>DB>DL
Mandibular Molars have a ___ incline
B-Lingual incline
Maxillary Molars ___ cervical line of all have a concavity --picks up calculus, difficult to restore
Distal-facial