SAS9: Dento-Osseous Structure Of The Maxilla

Question 1

What are the osseous structures that support the teeth?

Answer 1

Maxilla and mandible

Question 2

What part of the skull does the maxilla contribute to?

Answer 2

Facial portion of the skull

Question 3

What major structure does the maxilla form in the mouth?

Answer 3

Roof of the mouth or hard palate

Question 4

What is the largest paranasal sinus contained in the maxilla?

Answer 4

Maxillary sinus or antrum of Highmore

Question 5

What are the functions of the maxillary sinus? (List at least three)

Answer 5

• Decreases the relative weight of the front of the skull
• Increases resonance of the voice
• Provides a buffer against facial trauma

Question 6

What is the canine eminence?

Answer 6

A pronounced ridge corresponding to the roots of the canine tooth

Question 7

Where is the incisive fossa located?

Answer 7

Mesial to the canine eminence overlying the roots of the incisor teeth

Question 8

What is the canine fossa?

Answer 8

A deeper concavity located higher and distal to the canine eminence

Question 9

What is the infraorbital foramen?

Answer 9

The opening of the infra-orbital canal

Question 10

What is a potential complication of routine exodontia of posterior maxillary teeth?

Answer 10

Maxillary tuberosity fracture

Question 11

What is the clinical significance of the maxillary tuberosity?

Answer 11

Aids in support and retention of the upper denture

Question 12

What is the nasal/medial surface of the maxilla directed towards?

Answer 12

Nasal cavity

Question 13

What does the palatine process form?

Answer 13

Anterior roof of the mouth and floor of the nasal cavity

Question 14

What are the foramina of Stenson?

Answer 14

Two canals opening laterally into the incisive foramen carrying the nasopalatine nerve and branches of the septal artery

Question 15

What is the alveolar process?

Answer 15

Makes up the inferior portion of the maxilla surrounding the roots of the maxillary teeth

Question 16

What are alveoli?

Answer 16

Tooth sockets formed by the facial and lingual plates of the alveolar process

Question 17

What is the incisive papilla?

Answer 17

An elevation at the anterior end of the raphe of the palate

Question 18

The maxillary sinus is entered during which surgical technique?

Answer 18

Caldwell Luc surgery

Question 19

True or False: The maxillary sinus helps in humidifying and heating inhaled air.

Answer 19

True

Question 20

Fill in the blank: The maxillary sinus regulates _______ and serum gas pressures.

Answer 20

intranasal

Question 21

What separates the anterior/facial surface from the orbital aspect?

Answer 21

Infraorbital ridge

Question 22

What is the zygomatic process?

Answer 22

A roughly triangular eminence that articulates with the zygomatic bone

Question 23

What anatomical feature is found on the inferior portion of the posterior surface of the maxilla?

Answer 23

Maxillary tuberosity

Question 24

What anatomical structure is located below the canine fossa?

Answer 24

Infraorbital ridge

Question 25

The frontal process arises from which part of the maxilla?

Answer 25

Upper and anterior body of the maxilla