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BIO - unit 7.4 - Coggle Diagram
BIO - unit 7.4
teeths
8 incisors
chisel shaped
no cusps
1 root
4 canines
1cusps
1 root
8 premolars
uneven cusps
12 molars
structure
enamel
hard layer
dentine
soft, bone - like
pulp cavity
nerves and blood supply
cement
fixes tooth to the socket
decay
bacteria respire the sugars
lowest pH
fluoride tooth paste
chemical digestion
break down --> hydrolisis
hydrochloric acid
pH 1.5-2