teeth and muscles
DIGESTION Physical / Mechanical →
CPD) ( MD)
↓
Chemical → enzymes
☐ →
:
: :
C. D)
Big → small
1) MOUTH CPH : 7. 5)
Taking in food
•
Ingestion
① INCISOR → Cut food
•
PD → Teeth
② CANINE → Tear food
✓
③
④
PREMOLAR
MOLAR
} Crush and grind
food
7pct
3 LAYERS
} crown =
Neck ① Enamel : White , protective layer
} Root ② Dentine :
Nerve endings
Pulp / Pulp cavity Blood and
:
③ nerves
Sugar from food /drinks get
stuck on enamel /
DECAY
→
TOOTH
between teeth .
→ These will stay in the mouth if no
sugars
sweet food brushing of teeth is performed .
°
! cavity (sugar)
◦
→ These sugars will react with the natural
°o° bacteria found inside the mouth .
natural
bacteria
☐ →
→
The
not
reaction will
These acids will
treated
,
it
produce
cause
will start
acid
cavity
to
.
on the enamel
affect the
and if
dentine and pulp cavity
.
tooth pain and
→
Eventually ,
the cavity may cause
may even lead to the
possibility of teeth removal .
CD → Enzyme
•
from saliva (secreted by salivary
glands )
maltose
starch t amylase
DIGESTION Physical / Mechanical →
CPD) ( MD)
↓
Chemical → enzymes
☐ →
:
: :
C. D)
Big → small
1) MOUTH CPH : 7. 5)
Taking in food
•
Ingestion
① INCISOR → Cut food
•
PD → Teeth
② CANINE → Tear food
✓
③
④
PREMOLAR
MOLAR
} Crush and grind
food
7pct
3 LAYERS
} crown =
Neck ① Enamel : White , protective layer
} Root ② Dentine :
Nerve endings
Pulp / Pulp cavity Blood and
:
③ nerves
Sugar from food /drinks get
stuck on enamel /
DECAY
→
TOOTH
between teeth .
→ These will stay in the mouth if no
sugars
sweet food brushing of teeth is performed .
°
! cavity (sugar)
◦
→ These sugars will react with the natural
°o° bacteria found inside the mouth .
natural
bacteria
☐ →
→
The
not
reaction will
These acids will
treated
,
it
produce
cause
will start
acid
cavity
to
.
on the enamel
affect the
and if
dentine and pulp cavity
.
tooth pain and
→
Eventually ,
the cavity may cause
may even lead to the
possibility of teeth removal .
CD → Enzyme
•
from saliva (secreted by salivary
glands )
maltose
starch t amylase
