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Teeth (PARTS AND STRUCTURES OF TEETH (root (fixed by (Peridontium…
Teeth
PARTS AND STRUCTURES OF TEETH
Crown
neck
root
fixed by
Peridontium
connective tx surrounding roots
Dentin
enamel over crown; cementum over root
Pulp cavity
contains ct, bv, nerves
Root Canal
transmits nerves and vessels
thru Apical foramen
Tooth Socket
Periodontium
Types of teeth
Incisors
Thin cutting edges
Canines
single prominent cones
Premolars
bicuspid
Molars
three or more cusps
VASCULATURE OF TEETH
Superior and inferior Alveolar arterires
branches of Maxillary Artery
supply maxillary and mandibular teeth
Alveolar veins
Submandibular lymph nodes
drain vessels from teeth and gingiva
Contact Surafaces
Mesial surface
Distal surface
sustain themselves in tooth sockets
assist development and protection on the supp. tissue
Lingual surface
directed inward
Vestibular Surface
directed outward
INNERVATION OF TEETH
Dental Plexus
supply maxillary and mandibular teeth
formed by br. Superior (CN V2) and Inferior (CN V3) alveolar nerves
incise, reduce, mix food with saliva
Children: 20 deciduous teeth
Adult: 32 permanent teeth