WKI Sales Training Feb 2014

Chapter 7 • Head

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Trigeminal nerve (CN V)

Maxillary nerve (CN V 2 )

Trigeminal ganglion

Infra-orbital nerve (CN V 2 )

Posterior Middle Anterior

Superior alveolar nerves (CN V 2 )

Mandibular nerve (CN V 3 )

Inferior alveolar nerve (CN V 3 ) Lingual nerve (CN V 3 )

Site of mandibular foramen

Buccal branch of CN V 3

Mental branch (CN V 3 )

Mandibular canal

Incisive branch of inferior alveolar nerve (CN V 3 )

Dental branches of inferior alveolar nerve (CN V 3 )

(A) Lateral view

Innervates right and left Teeth/tooth pulp Periodontal ligament Alveolar process

Occlusal surface

Innervates right and left vestibular (buccal, labial) gingiva

Contact surfaces

Innervates superior lingual gingiva

L ING U A L ( P AL AT A L )

Anterior superior alveolar and Infra-orbital

Anterior superior alveolar

D IST AL

8 7

9 10

6

11

N a s o p a l a t i n e

Infra-orbital and Middle superior alveolar

12

5

L ABIAL (V EST IBUL A R )

Middle superior alveolar

MESI AL

MAXILLARY, inferior view MANDIBULAR, superior view G r e a t e r p a l a t i n e G r e a t e r p a l a t i n e PALATE 13 14 4 3 2

CN V 2

Posterior superior alveolar

INCISOR TOOTH

Posterior superior alveolar

15

1

16

Occlusal surface

Contact surfaces

32

17

FLOOR OF MOUTH

Lingual

31

LI NG U AL ( P AL ATA L )

18

Buccal branch

DISTAL

30

Lingual 19

Dental branches of inferior alveolar

29

20

B U CCAL ( V EST IBU LAR )

CN V 3

21

28

MESIAL

27

Mental branch of inferior alveolar

26 2524 23 22

Incisive branch of inferior alveolar

MOLAR TOOTH

(B)

Floor of mouth and inferior lingual gingiva and anterior 2/3 of tongue (general sensory)

(C)

FIGURE 7.79. Innervation of teeth and gingiva. A. Superior and inferior alveolar nerves. B. Surfaces of an incisor and molar tooth. C. Innervation of the mouth and teeth.

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11/15/2012 8:27:51 PM