CSD-2260 Lecture Notes - Lecture 18: Malocclusion, Permanent Teeth, Wisdom Tooth
1 Nov 2016
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Document Summary
Teeth: vital part of speech and mastication (chewing) mechanism, located within the alveoli of the maxillae and mandible. Neck juncture of crown and root: exposed tooth surface covered with enamel that overlies the dentin ivory of the tooth, pulp. Contains the nerve that supplies the tooth: cementum. Upper and lower dental arches: contain equal numbers of teeth of four types. Designed for cutting central and lateral incisors. Ca(cid:374)i(cid:374)e or (cid:862)eye teeth(cid:863) single point designed for tearing. Two points designed for cutting first and second (or premolar) bicuspids. Designed for grinding and pulverizing first, second, and third molars (wisdom teeth) Dental development: de(cid:272)iduous or (cid:862)(cid:373)ilk teeth(cid:863) Begin erupting at around 5 months of age. Start pushing through bone at around 6 to 9 months of age. Teeth much smaller than adult teeth and are fewer in number. Are replaced by permanent teeth that should last a lifetime: permanent teeth.
