Back
Flashcards: Chapter 18
Which radiographic technique or view shows the alveolar processes, mandible, posterior maxillary sinuses, and the zygomas?
panoramic
The mandible articulates with which part of the temporal bone to form the temporomandibular joint (TMJ)?
glenoid fossa
Which of the following facial bones is the largest and strongest?
mandible
What is the name of the narrow, double-angle retractor frequently used in oral procedures?
Minnesota
What is the MOST common position for patients undergoing oral and maxillofacial procedures?
supine with arms tucked in at sides
Which countable sponge is used in oral procedures to prevent bone or tooth fragments and other foreign matter from becoming lodged in the pharynx?
throat pack
Which teeth are located in the center front of the mouth?
incisors
Which procedure is performed for removal of impacted wisdom teeth?
odontectomy
Coral would be classified as what type of graft material?
xenograft
All of the following are configurations of fixation plates for maxillofacial fracture reduction EXCEPT:
W
Strands of wire used to attach arch bars to the upper and lower jaw should be prestretched and cut to which length?
10 cm
Which of the following statements regarding arch bars is CORRECT?
They are thin, malleable bars with hooks facing up for maxilla and down for mandible.
Which sequence of steps for plate fixation is CORRECT?
Place plate, drill one hole at a time, measure with depth gauge, tap, insert screw, and repeat steps for remaining holes.
Tapping of bone is done in fixation procedures to reduce:
torque pressure on screws
How many craniofacial bones make up the orbit?
seven
What is the term that describes the side of teeth closest to the cheek?
buccal
Which of the following is NOT one of the three regions of a tooth?
socket
Irrigation and what other item is used anytime the dental drill is used during odontectomy?
suction
A closed ventilation system and special endotracheal tube may be used in maxillofacial procedures to reduce risk of:
airway fire
Which type of sterile drape is commonly used for oral and maxillofacial procedures?
U-drape
Which type of nonabsorbable maxillofacial implant used in fracture fixation is lightweight, noncorrosive, and strong?
titanium
Which diameter fixation screw would MOST likely be used for a fracture of the mandible?
4.0 mm
Which muscle attaches to the coronoid process of the ramus?
temporalis
Care must be taken when preauricular and submandibular incisions are made to protect which cranial nerve?
seventh (VII)
Which of the following must accompany the patient to the PACU who has undergone maxillomandibular fixation?
wire cutters
Which of the following may be used as permanent support on top of the orbital floor following fixation of fracture?
silastic sheeting
Which bones of the face form the prominences of the cheeks?
zygomatic
Which of the following is the MOST common type of midfacial fracture and is also known as a transmaxillary fracture?
Le Fort I
Which of the following involves the highest portion of the midface and presents the most extensive damage?
Le Fort III
What should the surgical technologist do before handing a retractor to the surgeon for use in orbital floor fracture?
Moisten it with saline.
Which bone contributes to the posterior and inferior portion of the nasal septum?
vomer
Surgical treatment of which anatomical area might result in a postoperative complication of malocclusion?
jaw
The hard palate is the:
roof of the mouth
What other role is the surgical technologist often required to fill during oral and maxillofacial procedures?
assistant
Dental procedures require thorough cavity prepping due to possibility of surgical site infections.
False
Which hemostatic agent is used during oral and maxillofacial procedures that requires advising the anesthesia provider of its use?
epinephrine
Craniofacial disjunction fractures are severe traumatic injuries categorized as Le Fort III fractures.
True
Patients treated for Le Fort type fractures may have extensive scarring and change in facial characteristics.
True
Dental drills are always used to cut bone so that teeth can be extracted whole.
False
Odontectomy procedures are given a wound classification of Class II.
True
Type of x-ray that shows on one film: alveolar processes, mandible, posterior maxillary sinuses, and zygomas
Panoramic
AP projection x-ray that shows the hard palate, nasal septum, orbital floor, and zygoma
Caldwell
Thickened ridge of bone that contains the sockets that bear the teeth of the upper and lower jaw
Alveolar process
Flat-topped teeth located posteriorly in the jaw, which break up food
Molars
Chief substance of teeth that is covered by enamel on the crown; harder than bone
Dentin
Portion of the tooth that contains blood vessels, nerves, and connective tissue
Pulp
Soft, fibrous tissue that is continuous with the periodontal ligament and surrounds teeth; also known as the gums
Gingiva
Angled retractor used for tongue and cheek retraction; shape is similar to a Harrington retractor
Weider
Any degree of irregular contact between the teeth of the upper and lower jaws; includes overbite or underbite
Malocclusion
Recession of the eyeball within the bony orbit; may be a result of orbital fracture
Enophthalmos