Term
How many maxillary incisors? |
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Definition
4--central are more medial than lateral incisors |
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Term
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Definition
cut and shear food material |
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Term
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Definition
portion of crown which makes up complete incisal portion |
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Term
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Definition
angle formed by the merging of the lingo-incisal surface (or incisal surface) and the labial surface |
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Term
incisors have what compared to canines and posterior teeth? |
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Definition
incisors have incisal ridges/edges/surfaces; canines and posterior teeth have cusps |
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Term
which teeth are the widest mesiodistally of any anterior teeth? |
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Definition
maxillary central incisors, 8 & 9 |
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Term
the labial surface of central incisors are (more/less) convex than lateral incisor or canine |
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Definition
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Term
which are the most prominent teeth in the mouth? |
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Definition
maxillary central incisors |
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Term
average cervice-incisal dimension of max central incisor? |
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Definition
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Term
average mesio-distal dimension at contacts of max central incisor? |
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Definition
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Term
average mesio-distal dimension at CEJ how much less than M-D dimension at contacts of max central incisor? |
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Definition
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Term
shape of max central incisor crown's incisal edge? |
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Definition
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Term
mesial outline shape of max central incisors? distal outline shape? |
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Definition
mesial is relatively straight and distal outline is more curved |
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Term
mesial incisal angle of max central incisor? distal incisal angle? |
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Definition
mesial incisal angle is relatively sharp and distal incisal angle is more rounded |
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Term
cervical 1/3 compared to middle and incisal 1/3s of max cent incisor? |
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Definition
cervical is convex, middle and incisal are flat |
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Term
shape of cervical line of max cent incisors? |
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Definition
semi-circular with even curvature toward root |
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Term
mescal height of contour of max cent incisor? distal height of contour? |
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Definition
mescal height is at the incisal 1/3; distal contour is at junction of incisal and middle 1/3 |
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Term
mesial proximal contact compared to distal proximal contact of max cent incisor? |
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Definition
mesial proximal contact more incisally than distal proximal contact |
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Term
shape of root of max cent incisor? longer or shorter than crown? |
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Definition
cone shaped, slightly longer than crown: 14.5mm to 11.0mm |
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