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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) |