Term
| name the horizontal and vertical thirds of the tooth |
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Definition
Horizontal
- occlusal third (posterior teeth)
- incisal third (anterior teeth)
- middle third
- cervical third; gingival third
Vertical
- mesical third
- middle third
- distal third
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Term
| What is the mid-root axis line = long axis |
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Definition
| An imaginary line that splits the root in half (mesiodistally or faciolingually |
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Term
| What are embrasure spaces (embrasures) |
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Definition
| present when 2 adjacent teeth touch |
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Term
| What are the 4 embrasure spaces |
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Definition
- Facial; buccal; labial embrasure
- Lingual embrasure- larger than facial embrasure
- Occusal or incisal embrasure (often quite small)
- Cervical embrasure=interproximal space (filled with gingiva)=gingival embrasure
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Term
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Definition
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Term
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Definition
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Term
| What cells are at the edge of the pulp, making dentin |
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Definition
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Term
| What are the functions of the pulp |
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Definition
- Is formative-odontoblasts
- is sensory-nerve fibers
- is nutritive-blood vessels
- is protective-creates new dentin as needed
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Term
| What makes up the pulp cavity |
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Definition
pulp chamber
pulp canal
pulp horn(s) |
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Term
| What is the hole at the apex of the root (where blood enters/exits) |
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Definition
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Term
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Definition
| the anatomic crown from anatomic root |
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Term
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Definition
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Term
| What is the space on multirooted teeth where root base divides into separate roots? |
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Definition
furcal area/region=furcation; interradicular space
-bifurcation
-trifurcation |
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Term
| What is abnormal formation/twisted crown and root? |
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Definition
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Term
| How lobes form anterior teeth? |
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Definition
| four lobes- three facial and one lingual |
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Term
| How many lobes form premolars? |
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Definition
| 3 facial lobes and one lobe per lingual cusp |
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Term
| How many lobes form molars? |
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Definition
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Term
| What is the tooth with the longest crown |
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Definition
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Term
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Definition
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Term
| widest tooth mesiodistally |
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Definition
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Term
| narrowest tooth mesiodistally |
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Definition
| mandibular central incisor |
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Term
| Widest tooth buccolingually |
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Definition
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