Term
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Definition
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Term
| Embrasure space and 4 types |
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Definition
space between teeth when two adjacent teeth touch
-Facial; buccal; labial
-Lingual (larger than facial)
-Occlusal/incisal (often quite small)
-Cervical/interproximal space/ gingival |
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Term
| Pulp cavity made up of what 3 things? |
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Definition
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Term
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Definition
-formative (odontoblasts)
-sensory (nerve fibers)
- nutritive (blood vessels)
-protective (creates new dentin as needed) |
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Term
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Definition
| anatomic crown from anatomic root |
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Term
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Definition
if root is split, are between the roots is the furcal area
(bifurcation, trifurcation) AKA interradicular space |
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Term
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Definition
| Abnormal formation/ twisted crown and root |
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Term
| Tooth Development: Anterior teeth form from how many lobes? |
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Definition
| 4- 3 facial and one lingual |
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Term
| Tooth Development: Premolars form from how many lobes? |
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Definition
| 3 facial PLUS one per lingual cusp |
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Term
| Tooth Development: Molars form from how many lobes? |
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Definition
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Term
| Tooth with longest crown? |
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Definition
| Mandibular canine (woeful research says maxillary incisor) |
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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
| Widest tooth buccolingually? |
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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
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Definition
| "Long Axis"- imaginary line that splits the root in half (mesiodistally or faciolingually) |
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Term
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Definition
| permanent teeth that replace deciduous teeth (20 total) |
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Term
Growth stages:
Primary?
Permanent?
Mixed? |
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Definition
Primary- 6 mo. - 6 yrs
Permanent- begins at 12 yrs
Mixed- 6 yrs- 12 yrs |
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Term
| What teeth make up primary dentition? |
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Definition
| Per quadrant- 2 incisors, 1 canine, 2 molars |
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Term
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Definition
| Replace molars of primary dentition |
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Term
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Definition
homodont- shark (only one tooth form)
heterodont- human (multiple tooth forms) |
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Term
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Definition
diphyodont- human (2 separate sets of teeth/dentitions)
polyphyodont- shark (more than two dentitions) |
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Term
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Definition
dentulous- having teeth
edentulous- having no teeth |
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Term
| Enamel- structure? covers what? |
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Definition
| hard, mineralized tissue that covers dentin of the anatomical crown of the tooth |
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Term
| Cementum- structure? covers what? |
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Definition
| layer of hard tissue covering the dentin of the anatomic root |
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Term
| Dentin- structure? covers what? |
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Definition
| hard tissue which makes up the majority of the tooth; surrounds pulp cavity and is covered by enamel and cementum |
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Term
| Pulp- structure? contains what? |
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Definition
| living soft tissue which is within the pulp cavity; contains nutrient and nerve supply |
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Term
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Definition
| More calcified so shows up whiter |
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Term
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Definition
| rounded bumps/curve parts on incisal ridge that wear off to flattened incisal edge over time |
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