Question 1

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

Accepted Answer

The mandible is part of the lower face, as it is the lower jawbone, which is the only movable bone of the face, articulating with the temporal bone to allow for mouth opening and closing.

Question 2

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

Accepted Answer

The ethmoid bone is part of the midface, contributing to the structure of the nasal cavity, orbit, and forming part of the anterior cranial fossa floor. It contains numerous air cells (sinus cavities) and is crucial in the anatomy of the midface.

Question 3

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
-Implanted to realign dentition of the mandible and midface.

Accepted Answer

Maxillomandibular fixation (MMF) or arch bars are used to immobilize the jaw to ensure proper alignment and healing of the mandible and midface, particularly after fractures or orthognathic surgery.

Question 4

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
-In this procedure, fractures are reduced and fixated. The buttressing structures are reinforced.

Accepted Answer

Open reduction internal fixation (ORIF) is a surgical procedure used to fix severe bone fractures, or breaks. It's an operation to repair and stabilize a broken bone by using surgical plates, nails, screws, or pins. The procedure involves first exposing the fracture site (open reduction), then aligning the broken bone (reduction), and finally fixing it internally (internal fixation) to allow for proper healing. The mention of reinforcing buttressing structures aligns with the principles of ORIF, where the hardware used provides support to the damaged bone, ensuring it heals in the correct alignment.

Question 5

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
-The appropriate drill bit is loaded into a small power drill, and the screw holes are drilled.

Accepted Answer

The description provided refers to a process involved in Open Reduction Internal Fixation (ORIF), where a drill is used to create holes for screws, indicating the surgical approach to fix broken bones. This is a common step in ORIF to ensure the proper placement of hardware to stabilize the fracture.

Question 6

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
-If a drill guide is used, a depth gauge is used to measure the screw length required.

Accepted Answer

A depth gauge is used in open reduction internal fixation (ORIF) procedures to measure the screw length required after drilling, ensuring the correct screw size is used for optimal fixation of the bone fragments.

Question 7

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

Accepted Answer

The bilateral maxillae are part of the midface, contributing to the structure of the upper jaw, anterior hard palate, and a portion of the orbital cavities.

Question 8

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
-The surgeon chooses the size and type of plate to be used.

Accepted Answer

Open reduction internal fixation (ORIF) involves the surgical implementation of implants to guide the healing process of a bone, as well as the surgical repair of a bone aimed at restoring its proper alignment. In this context, choosing the size and type of plate for use is a decision made during ORIF procedures to ensure the bone heals correctly.

Question 9

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

Accepted Answer

The temporomandibular joints (TMJ) are formed by the articulation of the mandible (lower jaw) with the temporal bones of the skull, which is a characteristic feature of the lower face.

Question 10

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
-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.

Accepted Answer

The description provided matches the anatomy of the mandible, which is a bone located in the lower face. The mandible is the largest and strongest bone of the face and plays a crucial role in the lower jaw, including supporting the lower teeth.

Question 11

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
-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.

Accepted Answer

Maxillomandibular fixation (MMF) or arch bars require wire cutters to be available to quickly release the fixation in case of an airway emergency.

Question 12

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

Accepted Answer

The frontal bone is a part of the cranium that forms the forehead, which is considered part of the upper face, and it also contains portions of the nasal sinuses.

Question 13

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
-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.

Accepted Answer

The description provided is specific to the practice of Maxillomandibular fixation (MMF) or the use of arch bars, where techniques like creating a "rosebud" at the end of wires are employed to prevent soft tissue injury. This is not a description of open reduction internal fixation, which involves surgical hardware to stabilize bone fractures.

Question 14

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
-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.

Accepted Answer

The bony orbit is part of the midface, which includes the zygoma, maxilla, lacrimal, ethmoid, sphenoid, and palatine bones.

Question 15

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once.
-A wire is clamped with a Rubio needle holder, threaded between the teeth, wrapped around the bar, and twisted to tighten.

Accepted Answer

This description outlines the process of applying maxillomandibular fixation (MMF) or arch bars, which involves using wires to stabilize the jaw by fixing it in a specific position. This technique is commonly used in oral and maxillofacial surgery to immobilize the jaw after fractures or in preparation for surgery.

Quiz 28: Oral and Maxillofacial Surgery

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

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

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -Implanted to realign dentition of the mandible and midface.

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -In this procedure, fractures are reduced and fixated. The buttressing structures are reinforced.

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -The appropriate drill bit is loaded into a small power drill, and the screw holes are drilled.

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -If a drill guide is used, a depth gauge is used to measure the screw length required.

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

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -The surgeon chooses the size and type of plate to be used.

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

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

Choose from the terms listed and match them with their most correct description. You may use the same answer more than once. -A wire is clamped with a Rubio needle holder, threaded between the teeth, wrapped around the bar, and twisted to tighten.