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Dentitions
Overview of Dentitions, A114, Module 1
| Question | Answer |
|---|---|
| Function of Incisors | cutting |
| Function of Canines | grasping |
| Function of Premolars | holding or grinding |
| Function of Molars | chewing or grinding |
| Primary dentition | deciduous teeth (baby teeth), 20 teeth total |
| Permanent dentition | succedaneous teeth (adult teeth) 32 teeth total |
| Mixed dentition | mouth has both deciduous and succedaneous teeth |
| Occlusion | the manner in which the upper and lower teeth come together when the mouth is closed |
| Anterior teeth | incisors, canines (teeth in front of mouth) |
| Maxilla | upper jaw |
| Mandible | lower jaw |
| Quadrant | 1/4 of dentition |
| Sextant | 1/6 of dentition |
| Mesial surface | surface of tooth toward midline |
| Distal surface | surface of tooth distant of midline |
| Masticatory surface | chewing surface |
| Interproximal space | area between adjacent tooth surfaces |
| Embrasure | triangular space in gingival direction between the proximal surfaces of two adjoining teeth in contact |
| Centric Occlusion | maximum contact between the occluding surfaces of maxillary and mandibular teeth |
| Functional Occlusion | teeth contact during biting and chewing |
| Curve of Spee | curvature formed by maxillary and mandibular arches in occlusion |
| Posterior Teeth | Premolars, Molars (teeth in back of mouth) |