Surg Tech Oral & Maxillofacial
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| The __________ X-ray requires the patient to hyperextend the neck with the nose and chin placed against the cassette so there is good visualization of the facial bones. | Water's view
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| The __________ X-ray is similar but requires the nose and the forehead to be placed against the cassette, which allows better visualization of the orbital floor. | Caldwell's view
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| A plate made of _________ is strong and lightweight and is used most often for craniofacial fractures. | titanium
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| ____________ are used to immobilize the mandibular or maxillary fracture by immobilizing the jaw, increasing the chances of aspiration and requiring liquid nutrition postop. | arch bars
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| Submandibular or preauricular incisions must be made with care to preserve the __________. | facial nerve (VII)
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| Care to locate and prevent nerve damage with orbital floor fractures | infraorbital foramen
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| Located on the mandibular notch of the ramus | mandibular foramen
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| Freely moveable maxilla | Le Fort I
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| Located on the mandible below the first molar | mental foramen
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| Cerebrospinal otorrhea or rhinorrhea may require a fat, muscle, or fascia graft to seal | dural tear
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| Triangular or pyramidal in shape fracture and includes the nasal and ethmoid bones | Le Fort II
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| Postop complication leading to grinding of teeth and posto pain | malocclusion
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| Symptoms include diplopia and enophthalmos due to maxillary sinus invasion | orbital floor fracture
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| Largest and strongest facial bone | mandible
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| Fracture of the malar arches, orbits to base of the nose (nasal, ethmoid, zygomatic) | Le Fort III
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| Basal view | shows zygomatic fractures
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| Panoramic x-ray | shows on one film the alveolar processes, mandible, posterior maxillary sinuses, and zygomas
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| Are oral procedures considered sterile? | no
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| Pt positioning for oral and maxillofacial surgeries | supine with heal tilted back, roll towel may be placed to aid slightly extending the neck - tuck pt's arms and remember to protect ulnar nerves
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| Alias for plastic cheek retractor | "smile maker" :)
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| Double angled retractor that's used for oral surgery | Minnesota retractor
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| Throat pack | dampened rolled raytech - used to prevent oral secretions, irrigation fluid, blood, and bone or tooth fragments from becoming lodged in pharynx
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| Side of tooth that lies closest to lips | labial
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| Side of tooth that lies closest to tongue | lingual
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| Side of tooth that lies closest to cheek | buccal
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| Each tooth is imbedded in a socket of the | alveolar process
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| 3 regions of a tooth | crown, root, neck
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| Crown | portions above gumline
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| Root | portion below gumline
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| Neck | junction of crown and root
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| Crown is covered by ______, which is the hardest part of the tooth | enamel
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| Pulp | contains blood vessels, nerves, and connective tissue
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| Odenectomy | involves resection of the soft tissue and excision of the bone surrounding a tooth prior to removal
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| What should the surgical technologist do before handing a retractor to the surgeon for use in orbital floor fracture? | moisten it with saline for teflon-coated and sterile water for nonteflon-coated
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| Which type of sterile drape is commonly used for oral and maxillofacial procedures? | U-drape
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| What other equipment is used alongside a bone drill? | suction and irrigation
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| Type of suture used to close tooth extraction/odenectomy? | 4-0 chromic or silk
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| Fire safety procedural consideration | endotracheal tube delivers oxygen and is close to operating site - a closed ventilation system, use of a fire-retardant endo tube, and careful use of ESU
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| Open reduction | require use of internal fixation devices
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| The mandible articulates with the _____ ______ of each temporal boen to form the synovial joint called ________. | glenoid fossa, TMJ
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| 3 portions of mandible | body, ramus, angle
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| Body of mandible | contains alveolar process for teeth
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| Ramus of mandible | project upward at an angle from the posterior part of each mandibular body
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| Mental protuberance of mandible | chin
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| Posterior projection of ramus | Condylar process
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| TMJ | contains condylar process, portions of temporal bone, mandibular fossa, and articular tubercle
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| What position are arch bars placed? | upward for upper jaw (maxilla) and downward for lower jaw (mandible)
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| Sequence of plate attachment | 1. drill 2. measure depth of hole 3. drill hole may be tapped 4. screw is placed 5. repeat until plate is firmly fixed to bone
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| What instruments are used for dissection through the infraorbital fat during an orbital floor repair? | curved tenotomy scissors and adson tissue forceps
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| If the orbital reduction is stable, ______ ______ may be inserted over fracture site to prevent entrapment of orbital contents in fracture and support globe | Silastic sheeting
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| If the orbital reduction is unstable, a _______ ______ ______may be implanted, followed by the insertion of Silastic sheeting | rigid fixation device
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| Each nasal bone articulates with the | frontal, ethmoid, maxillary, and opposing nasal bone
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| Zygomatic bones are aka | malar bones
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| Vomer bone | contributes to posterior and inferior portion of nasal septum
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| Chief substance of teeth that is covered by enamel on the crown; harder than bone | dentin
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| Recession of the eyeball within the bony orbit; may be a result of orbital fracture | exophthalmos
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| Angled retractor used for tongue and cheek retraction; shape is similar to a Harrington retractor | Weider
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| Bone plates are available in _____ shapes | L, Y, H, T
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| The hard palate is the ______ _____ of the maxilla | palatine process
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| Anterior projection of ramus | coronoid process
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| Muscle that attaches to coronoid process | temporalis
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