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1081219
Our Teeth
Description
Science Mind Map on Our Teeth, created by Guna Seelan on 07/19/2014.
No tags specified
science
Mind Map by
Guna Seelan
, updated more than 1 year ago
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Created by
Guna Seelan
over 10 years ago
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Resource summary
Our Teeth
Functions
Bite and Chew Food
Speak Clearly
Shape to face
Types
Temporary (Milk)
7 - 8 Years
20in number
Permanent
32 in number
Kinds
Incisors
Front 4
Bite Food
Canine
tearing teeth
tearing food
one on each side of incisors
Premolars
Broad shaped
4in each jaw
Cracking and Crushing food
Molars
6 in each jaw
broad and flat
grind and chew food
last molars also called wisdom teeth
Firmly anchored in upper and lower jaw
Structure
Crown
Above Gum
Root
Below Gum
3 Main Layers
Enamel
Outermost layer
hardest substance in body
resists wear and tear of inner parts
forms the crown
Dentine
Below Enamel
protects pulp
Pulp
innermost
contains nerves and blood vessels
Gums
pink
hold teeth in place
unhealthy gums
bleeding and pain
fall of teeth
Care
brush properly
soft brush
circular motion
one tooth at a time
don't press hard
clean tounge
change brush every 3 months
twice daily
rince after meal
food particles in gap
germs
plaque
sticky layer
harmful
produce acid
hole in teeth
cavity
decay
caused by eating sweets
bad breath
cavity
toothache
bleeding gums
indigestion
Dentist
floss
silk thread
clean between teeth
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