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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 |