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Tooth Basics
General, A114, Module 1
| Question | Answer |
|---|---|
| crown | covered with enamel, top portion of tooth |
| root | covered with cementum, bottom portion of tooth |
| cementoenamel junction (CEJ) | crown and root meet |
| gingiva | gum tissue |
| clinical crown | visible part of crown |
| anatomic crown | whole crown |
| aveolar process | portion of jaw that supports teeth |
| enamel | hard tooth tissue, covers anatomic crown |
| cementum | hard tooth tissue, covers root |
| dentin | hard tooth tissue, forms main portion of tooth, wrapped in enamel and cementum, can add to itself |
| pulp | soft tooth tissue, nourishment, sensory, repair center |
| Where is the pulp located? | center of tooth, covered in dentin |
| pulp chamber | coronal portion |
| pulp canal | (root canal), root portion |
| facial surface | faces cheeks or lips, labial surface (anterior) buccal surface (posterior) |
| lingual surface | faces tongue |
| proximal surface | faces neighboring tooth's surface in same arch |
| mesial proximal | closest to midline of face |
| distal proximal | faces away from midline |
| occlusal surface | chewing or occluding surface (posterior teeth) |
| incisal ridge | biting edge or incisal surface (anterior teeth) |