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Dental Morph and His
second test
Question | Answer |
---|---|
line that is formed around tooth where the junction of the enamel and cementum meet | cervical or clinical margin |
Attached to the alveolar bones by fibers of the peridontal ligament | cementum |
toothe socket | alveolar bone |
thin layer of bone that lines tooth socket | lamina dura |
small fibers that attach the root to the lamina dura | periodontal ligaments |
1-3 mm deep | free gingiva |
surface facing the lips, cuspid to cuspid | labial |
surface facing the cheek, premolars and molars | buccal |
buccal or labial | facial |
surface facing the tongue | lingual |
surface furthest from midline | distal |
surface towards midline | mesial |
bitting surface of anterior teeth | incisal |
grinding surface of posterior teeth | occlusal |
1/4 of arch | quadrant |
succedaneous teeth | permanant teeth that replace primary |
dentition | teeth |
1st, 2nd, and third molar come in when | 6, 12 and 17 |
exfoliation | to shed |
lobe | developmental segment of tooth usually on seen in deciduous teeth |
mamelon | 1 of 3 prominences on the incisal edge of a newly erupted incisor. Wear away due to use |
pit | pointed depression in the surface of a tooth |
sulcus | elongated valley in the surface of a tooth formed by ridges which meet at an angle; depression between the cusp and ridges |
fossa | valley or depression in tooth surface |
disorders of the pulp | pulpsones(calcium deposits), pulpitis (inflammation) and necrotic pulp(dead, can be saved via root canal) |
periodontium | tooth and supporting tissue(cementum, periodontal ligament, alveolar and gingiva |
The molars are not ____ | succedaneous |
supernumerary | more than 32 teeth |