Oral Cavity

Question 1

Boundaries of oral cavity

Answer 1

Anteriorly; lips
• Laterally; cheeks
• Superiorly; Hard &soft
palate
• Inferiorly; diaphragma
oris, tongue
• Posteriorly; Istmus
faucium

Question 2

Oral cavity is separated into

Answer 2

1 oral vestibule
2 oral cavity proper

Question 3

Arteries of lips

Answer 3

Superior and inferior labial arteries (facial artery)

Question 4

Veins of lips

Answer 4

Superior and inferior labial veins (facial vein)

Question 5

Lymph nodes of lips

Answer 5

Submental and submandibular lymph nodes

Question 6

Nerves of lips

Answer 6

• Superior labial branches
of infraorbital nerve
(maxillary nerve). Sensory
• Inferior labial branches
of mental nerve
(mandibular nerve). Sen sor
• Facial nerve. Motor

Question 7

Vessels of cheeks

Answer 7

: Buccal branch of
maxillary artery
• V: Same with aa.

Question 8

Lymph nodes of cheeks

Answer 8

Submandibular parotid lymph nodes

Question 9

Nerves of cheeks

Answer 9

N: Buccal branch of
mandibular nerve
(general sensation from
skin and mucosa)
• Facial nerve (motor
innervation of
buccinator muscle)

Question 10

Vessels of Teeth

Answer 10

Inferior alveolar artery
• Anterior superior
alveolar artery
• Posterior superior
alveolar artery
• Inferior alveolar veins
• Superior alveolar veins
• Emissary veins

Question 11

Lymphatics of Teeth

Answer 11

• Submandibular LN
• Submental LN
• Deep cervical LN

Question 12

Nerves of Teeth

Answer 12

• Anterior superior
alveolar nerve
• Middle superior alveolar
nerve
• Posterior superior
alveolar nerve
• Inferior alveolar nerv

Question 13

Muscles of Soft Palate

Answer 13

• Tensor veli palatini muscle
• Levator veli palatini muscle
• Palatoglossus muscle
• Palatopharyngeus muscle
• M. uvulae

Question 14

Tensor Veli Palatini Muscle

Answer 14

Mandibular nerve

Question 15

Only muscle elevating
soft palate

Answer 15

Lavatory veli palatini

Question 16

Arteries of Palate

Answer 16

Greater palatine artery
(Maxillary artery)
• Ascending palatine
artery (facial artery)
• Palatine branch
(ascending pharyngeal
artery)

Question 17

Veins & Lymphatics of Palate

Answer 17

• Pterygoid plexus
• Pharyngeal plexus
• Deep cervical lymph
nodes

Question 18

Nerves of Palate

Answer 18

➢ Sensory;
Greater palatine nerve
Lesser palatine nerve
Nasopalatine nerve
➢ Parasympathics&special
sensory(taste);
Facial nerve
➢ Sympathics;
T1 spinal cord level

Question 19

Muscles of tounge

Answer 19

● Intrinsic muscles;
• Superior longitudinal m.
• Inferior longitudinal m.
• Vertical muscles
• Transverse muscles

● Extrinsic muscles;
• Genioglossus muscle
• Hyoglossus muscle
• Styloglossus muscle
• Palatoglossus muscle

Question 20

Except palatoglossal muscle

Answer 20

Hypoglossal nerve

Question 21

Palatoglossus muscle

Answer 21

Vagus nerve

Question 22

Vessels of Tongue

Answer 22

Artery;
Lingual artery (external
carotid artery)
• Veins;
Deep lingual vein
(Internal Jugular vein)
Dorsal lingual vein
(Internal Jugular vein)
• Lymph nodes;
submandibular LN
Submental LN

Question 23

Nerves of Tongue

Answer 23

• Pharyngeal part; taste
and general sensation
are carried by
glossopharngeal nerve
• Oral part; general
sensation is carried by
lingual nerve, taste is
carried by chorda
tympani