Deck 28: Oral and Maxillofacial Surgery

Question 1

_________________ dictate(s) that wires on arch bars be tightened in a clockwise fashion so that any other surgeon knows to remove them in a counter-clockwise direction.

A) Operating room policy
B) AORN
C) Surgeon's preference cards
D) Standard protocol

Answer 1

D

Question 2

Le Fort ____ is a horizontal fracture of the maxilla that causes the hard palate and alveolar process to become separated from the remainder of the maxilla. The fracture extends into the lower nasal septum, lateral maxillary sinus, and palatine bones.

A) II
B) III
C) IV
D) I

Answer 2

D

Question 3

The ________________ is the only movable bone of the face.

A) mandible
B) zygomatic arch
C) nasal bone
D) maxilla

Answer 3

A

Question 4

_______________ are the primary means of repairing facial fractures.

A) Plates and screws
B) Dental implants and bone grafts
C) Skin grafts and bone grafts
D) Gingival grafts and bone grafts

Question 5

_________________ are implanted to realign dentition of the mandible and midface.

A) Dental implants
B) Arch bars
C) Miniplates
D) Bone grafts

Question 6

A screw that penetrates both cortical layers and the intervening spongy layer of the bone is called a _________ screw.

A) bicortical
B) cannulated
C) bicoronal
D) subciliary

Question 7

____________________ are performed primarily by oral-maxillofacial, plastic, or otorhinolaryngology surgeons.

A) Dental implants
B) Maxillofacial procedures
C) Odontectomies
D) CT scans

Question 8

The face is divided into which of the following three parts?

A) Medial face, distal face, and proximal face
B) Superior face, inferior face, and medial face
C) Upper face, midface, and lower face
D) Superior face, midface, and inferior face

Question 9

In the Le Fort _____ fracture, there is a separation of all the facial bones from their cranial base. It includes fracture of the zygoma, maxilla, and nasal bones. The fracture line extends through the ethmoid bone and bony orbit with severe facial flattening and swelling.

A) II
B) IV
C) III
D) I

Question 10

___________________ of injury or congenital anomalies can affect speech, mastication (chewing), and development of the teeth.

A) Applying arch bars for the repair
B) Using dental implants for the repair
C) The repair
D) Long-term physiological effects

Question 11

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Upper face
b.Midface
c.Lower face
Fractures in this area are important in their association with injury to the eye, especially in displaced fractures.

Question 12

Complications of ________________ include extrusion of the globe into the nasal sinus and entrapment of the eye muscles.

A) orbital floor fractures
B) dental implants
C) arch bar applications
D) bone grafts

Question 13

Surgery involving the bones of the face, primarily for repair of fractures and reconstruction for congenital anomalies, is defined as _______________________.

A) oral-maxillofacial surgery
B) cranialization
C) fascial fracture reconstruction
D) cerebralization

Question 14

The Le Fort ______ fracture is pyramidal. It extends from the nasal bone, to the frontal processes of the maxilla, lacrimal bones, and inferior orbital floor, and may extend into the orbital foramen. Inferiorly, it extends into the anterior maxillary sinus, and into the pterygoid plates.

A) II
B) IV
C) III
D) I

Question 15

___________________ focuses on reconstruction and repairs of the facial bones and may include structures of the oral cavity.

A) Odontectomy surgery
B) Oromaxillofacial surgery
C) TMJ arthroplasty
D) Dental implantation surgery

Question 16

_____________ is the number, type, and pattern of the teeth.

A) Mastication
B) Dentition
C) Micturition
D) Occlusion

Question 17

Also called application of arch bars, a procedure in which the maxilla and mandible are placed in their normally closed position and fixed with wires is called ______________.

A) maxillomandibular fixation (MMF)
B) reconstructive surgery
C) sternocleidomastoid surgery
D) mandibular joint fixation

Question 18

Procedures involving the __________ are performed primarily by an oral-maxillofacial surgeon.

A) eyes
B) brain
C) teeth
D) maxillary sinuses

Question 19

The _________ forms the lateral walls and floor of the bony orbit, which houses the eyeball.

A) zygoma
B) ethmoid
C) sphenoid
D) maxilla

Question 20

The _________ forms the bridge of the nose and articulates with the ethmoid and maxilla.

A) zygoma
B) nasal bone
C) arch bar
D) temporal bone

Question 21

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Upper face
b.Midface
c.Lower face
The mandible is the only movable bone of the face. It is a U-shaped bone that is suspended from the temporal bone.

Question 22

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Upper face
b.Midface
c.Lower face
The ethmoid bone is a complex structure that contributes to the floor of the cranium and contains a number of sinus cavities.

Question 23

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Maxillomandibular fixation (MMF) or arch bars
b.Open reduction internal fixation
Implanted to realign dentition of the mandible and midface.

Question 24

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Maxillomandibular fixation (MMF) or arch bars
b.Open reduction internal fixation
In this procedure, fractures are reduced and fixated. The buttressing structures are reinforced.

Question 25

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Maxillomandibular fixation (MMF) or arch bars
b.Open reduction internal fixation
The appropriate drill bit is loaded into a small power drill, and the screw holes are drilled.

Question 26

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Maxillomandibular fixation (MMF) or arch bars
b.Open reduction internal fixation
If a drill guide is used, a depth gauge is used to measure the screw length required.

Question 27

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Upper face
b.Midface
c.Lower face
The bilateral maxillae come together to form the upper jaw, anterior hard palate, and a portion of the orbital cavities.

Question 28

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Maxillomandibular fixation (MMF) or arch bars
b.Open reduction internal fixation
The surgeon chooses the size and type of plate to be used.

Question 29

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Upper face
b.Midface
c.Lower face
The condyles insert into the glenoid fossa of the temporal bones to form the temporomandibular joints.

Question 30

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Upper face
b.Midface
c.Lower face
The ramus extends inferiorly from the condyle to the angle, where it joins the body of the mandible and extends anteriorly and medially to join the other half of the mandible.

Question 31

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Maxillomandibular fixation (MMF) or arch bars
b.Open reduction internal fixation
If kept in place postoperatively, wire cutters must be sent with the patient to the postanesthesia care unit so that the mouth can be opened in the event of an airway emergency.

Question 32

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Upper face
b.Midface
c.Lower face
The frontal bone is part of the cranium but forms the forehead and contains portions of the nasal sinuses.

Question 33

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Maxillomandibular fixation (MMF) or arch bars
b.Open reduction internal fixation
To prevent the suture ends from injuring the soft tissues, a "rosebud" is made in the suture ends by grasping the wire with a hemostat and crimping it inward. The end may be buried in the patient's gingiva.

Question 34

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Upper face
b.Midface
c.Lower face
The bony orbit is formed by the frontal bone, but also contains portions of other bones of the face. These include the zygoma, maxilla, lacrimal, ethmoid, sphenoid, and palatine bones.

Question 35

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
a.Maxillomandibular fixation (MMF) or arch bars
b.Open reduction internal fixation
A wire is clamped with a Rubio needle holder, threaded between the teeth, wrapped around the bar, and twisted to tighten.