83 Floor of the Oral Cavity

Question 1

Floor of the Oral Cavity

Answer 1

1. Lingual n. 2. Submandibular duct 3. Mylohyoid m. 4. Geniohyoid m.

Question 2

Floor of the Oral Cavity

Answer 2

1. Lingual n.
2. Submandibular duct
3. Mylohyoid m.

Question 3

Arterial Supply of the Oral Cavity

Answer 3

1. Sphenopalatine a.
2. Greater palatine a
3. Lesser palatine a.
4. Maxillary a.

Question 4

Arterial Supply of the Oral Cavity

Course of maxillary a. (ECA)

→ Gives rise to series of branches

→ 3 branches supply the palate

→ What are they?

Answer 4

Sphenopalatine
Greater palatine
Lesser palatine

Question 5

Arterial Supply of the Oral Cavity

Course of maxillary a. (ECA)

→ Gives rise to series of branches

→ 3 branches supply the maxillary arch

→ What are they?

Answer 5

Anterior superior alveolar
Middle superior alveolar
Posterior superior alveolar

Question 6

Arterial Supply of the Oral Cavity

Course of maxillary a. (ECA)

→ Gives rise to series of branches

→ 3 branches supply the mandibular arch

→ What are they?

Answer 6

Inferior alveolar a.

Question 7

Arterial Supply of the Oral Cavity

Source of Sphenopalatine a.

Answer 7

3rd part of maxillary a.

Question 8

Arterial Supply of the Oral Cavity

Sphenopalatine a.

→ Enters nasal cavity after passing through (1)____

→ gives rise to posterior superior nasal branches, posterior superior lateral branch, and posterior superior medial branch, which continues along nasal septum to enter hard palate via (2)____

Answer 8

1. sphenopalatine foramen
2. incisive canal

Question 9

Arterial Supply of the Oral Cavity

Source of greater and lesser palatine aa.

Answer 9

Descending palatine from 3rd part of maxillary a.

Question 10

Arterial Supply of the Oral Cavity

Course of greater palatine a.

→ exits (1)____ and passes anteriorly toward incisive foramen to supply hard palate gingiva, mucosa, and palatal glands and anastomose with (2)____

Answer 10

1. greater palatine foramen
2. terminal branch of sphenopalatine a.

Question 11

Arterial Supply of the Oral Cavity

Course of lesser palatine a.

→ Branch of descending palatine that travels in palatine canal and supplies ____ and ___

Answer 11

soft palate and palatine tonsil

Question 12

Arterial Supply of the Oral Cavity

Identify 1

Answer 12

1. Facial a.

Question 13

Arterial Supply of the Oral Cavity

Identify 2 → 4

Answer 13

2. Ascending palatine a.
3. External carotid a.
4. Ascending pharyngeal a

Question 14

Arterial Supply of the Oral Cavity

Source of Ascending palatine a.

Answer 14

Facial a.

Question 15

Arterial Supply of the Teeth

→ Identify 1 → 3

Answer 15

1. Posterior superior alveolar a.
2. Middle superior alveolar a.
3. Anterior superior alveolar a

Question 16

Arterial Supply of the Teeth

→ Identify 4 - 5

Answer 16

4. Incisive a.
5. Mental a.

Question 17

Arterial Supply of the Teeth

→ Identify 6

Answer 17

6. Inferior alveolar a.

Question 18

Arterial Supply of the Teeth

→ 3 arteries that supply maxillary teeth

Answer 18

1. Posterior superior alveolar a.
2. Middle superior alveolar a.
3. Anterior superior alveolar a

Question 19

Arterial Supply of the Teeth

sources of …

1. Anterior superior alveolar a. → ____
2. Middle superior alveolar a. →____
3. Posterior superior alveolar a → ____

Answer 19

1. Infraorbital a. (of maxillary a.)
2. Infraorbital
3. 3rd part of maxillary a.

Question 20

Arterial Supply of the Teeth

Course of Anterior superior alveolar a.

→ Arises after infraorbital a. passes through (1)____ and into infraorbital canal and descends via alveolar canals to supply (2)___ and ___

Answer 20

1. inferior orbital fissure
2. maxillary sinus and anterior teeth

Question 21

Arterial Supply of the Teeth

Course of Anterior superior alveolar a.

→ Arises after infraorbital a. passes through inferior orbital fissure and into (1)____ and descends via (2)___ to supply maxillary sinus and anterior teeth

Answer 21

1. infraorbital canal
2. alveolar canals

Question 22

Arterial Supply of the Teeth

Course of Middle superior alveolar a.

→ Arises after infraorbital a. passes through inferior orbital fissure and into infraorbital canal and descends via alveolar canals to supply ____ and ____

Answer 22

maxillary sinus and anterior teeth

Question 23

Arterial Supply of the Teeth

Course of Posterior superior alveolar a.

→ Arises before maxillary a. enters pterygopalatine fossa and enters infratemporal surface of maxilla to supply ____ (3)

Answer 23

maxillary sinus, premolars, and molars

Question 24

Arterial Supply of the Teeth

Source of Inferior superior alveolar a.

Answer 24

3rd part of maxillary a.

Question 25

Arterial Supply of the Teeth

Course of Inferior superior alveolar a.

→ Supplies ____

Answer 25

all of the mandibular teeth

Question 26

Arterial Supply of the Teeth

Course of Inferior superior alveolar a.

→ Supplies all of the mandibular teeth

→ descends inferiorly following inferior alveolar n. to enter mandibular foramen and terminates into ___ and ___ at region of 2nd premolar

Answer 26

mental and incisive aa.

Question 27

Arterial Supply of the Teeth

Course of Inferior superior alveolar a.

→ Supplies all of the mandibular teeth

→ descends inferiorly following inferior alveolar n. to enter mandibular foramen and terminates into mental and incisive aa. at region of ___

Answer 27

2nd premolar

Question 28

Arterial Supply of the Teeth

Course of Mental a.

→ Supplies ____

Answer 28

labial gingiva of anterior teeth

Question 29

Arterial Supply of the Teeth

Course of Incisive a.

→ Supplies __

Answer 29

Supplies anterior teeth