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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) |