technique for mandibular teeth anesthesia infiltration technique

1. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY

2. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY
• Chair
posi*on
• Den*st
posi*on
• Syringe
• Needle
• Areas/Nerves
to
be
anesthe*zed
-­‐
Landmarks
• Point
of
inser*on
• Direc*on
of
injec*on
• Checking
the
anesthesia

3. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY
Subjec've
findings
Objec've
findings

4. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY
• Chair
posi*on
• Den*st
posi*on
• Syringe
• Needle
• Areas/Nerves
to
be
anesthe*zed
-­‐
Landmarks
• Point
of
inser'on
• Direc'on
of
injec'on
• Checking
the
anesthesia

5. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY
1. Main
Trunk
2. Nervous
Spimosum
3. Nerve
to
medial
pterygoid
4. Anterior
Division
1. N.
to
Temporalis
msc.
2. N.
to
MasseJer
msc.
3. N.
to
Lateral
Pterygoid
msc.
4. Long
Buccal
N.
5. Posterior
Division
1. Auriculo-­‐temporal
N.
2. Lingual
Nerve
3. Inferior
Alveolar
N.

6. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY
Pulp
,
Inves*ng
structures
Incisive
nerve
Anterior
teeth
(1,2,3)
Inferior
alveolar
nerve
Premolars
(4,5)
&
Molars
(678)

7. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY
Labial
(buccal)
mucoperiosteum
Mental
nerve
Anterior
teeth
(1,2,3)
&
Premolars
(45)
Long
buccal
nerveMolars
(678)

8. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY
Lingual
mucoperiosteum
Lingual
nerve
Anterior
teeth
(1,2,3)
Premolars
(4,5)
&
Molars
(678)

9. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY
• The
lower
anterior
teeth
cross
innerva*on
may
take
place
i.e.
branch
from
the
incisive
nerve
of
the
other
side
• The
lower
premolar
may
receive
addi*onal
nerve
supply
from
the
cutaneous
coli
nerve
(
branch
of
cervical
plexus
C2
&
c3
)
gives
addi*onal
sensory
supply
for
the
BUCCAL
MUCOPERIOSTEUM
of
the
premolars
(
4
,
5
)
in
about
20
%
pt
• The
PULP
AND
INVESTING
STRUCTURES
of
the
lower
molars
may
receive
addi*onal
nerve
supply
from
the
nerve
to
mylohyoid

10. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY
Mandibular
anethesia
Infiltra*on
anesthesia
Anterior
labial
infl
anesth
Anterior
lingual
inf
anesth
Long
buccal
inf
anesth
Nerve
block
anesthesia
IA
and
L
NB
Mental
NB
Long
Buccal
NB

11. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY

12. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY
The
point
of
needle
inser'on

13. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY
Direc'on
of
needle
inser'on

14. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY
• Subjec*ve
findings
– Numbness
of
the
lower
lip
• Objec*ve
findings
– Probing
does
not
lead
to
pain

15. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY

16. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY

17. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY

18. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY

19. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY

20. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY

21. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY

22. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY

23. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY

24. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY

25. Mandibular infiltration anesthetic techniques
Hesham ELHAWARY