Term
How many lateral incisors are in the mouth and what are they names |
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Definition
4 total, lateral and cental |
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Term
On the cental incisors which teeth surfaces touch? |
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Definition
The mesial surfaces of the teeth 8&9 touch. |
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Term
What is an incisal ridge? |
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Definition
a section of the crown that makes up the complete incisal portion. When the crown first erupts. |
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Term
Describe an incisal ridge? |
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Definition
a raised enamel area on a tooth where eruption is complete on newly erupted incisors. |
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Term
how does and incisal edge form? |
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Definition
as the teeth flatten out after the edge is ground down into a flat surface. |
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Term
Which tooth is the widest mesiodistally than any other tooth? |
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Definition
the max. central incisors. |
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Term
what is on the newly erupted facial aspect of the max. central incisor? |
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Definition
mamelons and developmental lines. |
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Term
what appears to be prominant on the maxillary central incisors lingual surface? |
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Definition
a large fossa (large concavity, prominant MMR and DMR, and a large cingulum. |
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Term
what are the measurements of the max. central incisor crown? |
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Definition
8,9 (mesiodistal) and 10-11 from crown to CEJ |
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Term
T/f the distal contact area on the max. central incisor is more coronal to the incisal third of the tooth? |
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Definition
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Term
Where is the mesiolabial and the distolabial groove located and on what tooth? |
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Definition
the maxillary central incisor. mesiofacial and distofacial. |
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Term
how many developmental lobes are in the max central incisor and what are their locations? |
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Definition
4 total 3 labial (facial, and one lingual (cingulum) |
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Term
is the cingulum convex or concave? |
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Definition
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Term
how many pulp horns does the max. central incisor have? |
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Definition
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Term
where are caries most likely to form on the max central incisor? |
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Definition
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Term
in what direction do the crown and the root taper? |
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Definition
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Term
what shape is the cross section of the maxillary central incisor? |
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Definition
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Term
where is the root located of the max. central incisor? |
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Definition
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Term
where is the root located of the max. central incisor? |
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Definition
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Term
how large is the curve of the cej in the max cent. incisor? |
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Definition
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Term
what is the purpose of the curvature in the CEJ? |
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Definition
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Term
True or false. The max. central inc. has a blunt apex |
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Definition
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Term
True or false. The mesioincisal aspect of the MCI is visible from the distal aspect of the MCI? |
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Definition
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Term
Explain the contact area of the MCI |
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Definition
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Term
what is the significance of a broad conact area? |
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Definition
caries can form interproximally. |
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Term
True or false. The crowns of the lateral insicor are similar to the crowns of that central incisor? |
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Definition
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Term
In what aspects is the lateral incisor smaller than that central? |
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Definition
all aspects except for root lenght. |
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Term
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Definition
change or variance that is not the norm |
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Term
What tooth varies in form more than any other? |
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Definition
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Term
what are some common variation in the lateral incisors and describe their appearance. |
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Definition
peg-laterals or peg-shaped, can appear like a canine. |
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