Term
| how to divide the teeth into thirds |
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Definition
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Term
| what is an imaginary line that splits the root in half (mesiodistally or faciolingually)? |
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Definition
|
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Term
| what are the spaces present when two adjacent teeth touch? |
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Definition
| embrasure spaces (embrasures) |
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Term
|
Definition
(1) facial/buccal/labial
(2) lingual (larger than facial)
(3) occlusal/incisal (often quite small)
(4) cervical/interproximal space/gingival (filled with gingiva) |
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Term
| what are specialized epithelial cells that help to form the enamel? |
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Definition
|
|
Term
| what are cells that produce cementum? |
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Definition
|
|
Term
| what are the cells that form dentin? |
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Definition
|
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Term
| what are the functions of pulp? |
|
Definition
(1) formative- odontoblasts produce dentin throughout tooth life
(2) sensory- nerve fibers (can feel pain but cannot distinguish cause)
(3) nutritive- blood vessels
(4) protective- forms reparative dentin in response to injury or decay |
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Term
what is the soft (not calcified or mineralized) tissue
in the pulp cavity? |
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Definition
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Term
what is the cavity or space in the center of the crown and
root? |
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Definition
|
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Term
| what is the coronal portion of the pulp cavity? |
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Definition
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Term
| what is the root portion of the pulp cavity? |
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Definition
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Term
| what are the narrow spaces in the pulp cavity that appear as horns? |
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Definition
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Term
| what are the visible openings at the end of roots where the nerves and blood vessels enter into the tooth pulp? |
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Definition
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|
Term
| what separates the anatomic crown from anatomic root? |
|
Definition
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|
Term
| what is the anatomic root covered with? |
|
Definition
|
|
Term
| what is the root tip called? |
|
Definition
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|
Term
| what is the place on multi-rooted teeth where the root trunk divides into separate roots? |
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Definition
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Term
| what is the part of the root of a multi-rooted molar or two-rooted premolar next to the cementoenamel junction that has not yet split? |
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Definition
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|
Term
| what is the furcation on a two-rooted tooth called? |
|
Definition
|
|
Term
| what is the furcation on a three-rooted tooth called? |
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Definition
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Term
| what is the region or space between two or more roots, apical to the place where the roots divide from the root trunk? |
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Definition
| furcal region/interradicular space |
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|
Term
| what is a severe, abnormal bend or angular distortion of a tooth root? |
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Definition
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Term
| what refers to the portion of the anterior teeth, occurring on the lingual aspect, that forms a convex protuberance at the cervical third of the anatomic crown and represents the lingual developmental lobe of these teeth? |
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Definition
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|
Term
| how many lobes do the anterior teeth form form? |
|
Definition
| 4, 3 facial and 1 lingual |
|
|
Term
| how many lobes do the premolars form from? |
|
Definition
| three facial lobes and one lobe per lingual cusp |
|
|
Term
| how many lobes do the molars form from? |
|
Definition
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|
Term
| what is the tooth with the longest crown? |
|
Definition
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|
Term
| what is the longest tooth overall? |
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Definition
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Term
| what is the widest tooth mesiodistally? |
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Definition
|
|
Term
| what is the widest tooth buccolingually? |
|
Definition
|
|
Term
| what is the narrowest tooth mesiodistally? |
|
Definition
| mandibular central incisor |
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