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32 Cards in this Set

  • Front
  • Back

the diagnostic, surgical, and adjunctive treatment of diseases, injuries, and defects involving both the functional and the aesthetic aspects of the hard and soft tissues of the oral and maxillofacial regions

oral and maxillofacial surgery

act of breaking or condition of being broken into small fragments

comminution

a hemorrhagic spot, larger than a petechia, in the skin or mucous membrane caused by extravasation of blood; forms a nonelevated, rounded, or irregular purplish patch

ecchymosis

branch of dentistry dealing with the surgical removal of teeth

exodontics

benign new growth projecting from the surface of bone

exostosis

fixation of the maxilla in occlusion with the mandible held in place by means of wires and elastic bands; the healing parts are stabilized following fracture or surgery

intermaxillary fixation

intermaxillary fixation

pertaining to the jaws and the face

maxillofacial

the branch of prosthodontics concerned with the restoration of the mouth and jaws and associated facial structures that have been affected by disease, injury, surgery, or a congenital defect

maxillofacial prosthetics

surgery to alter relationships of the dental arches and/or supporting bone; usually coordinated with orthodontic therapy

orthognathic surgery

science dealing with the causes and treatment of malposition of the bones of the jaws

orthognathics

internal fixation of a fracture by mechanical means, such as metal plates, pins, or screws

osteosynthesis

a method of internal fixation of mandibular fractures utilizing miniaturized metal plates and screws formerly made of titanium or stainless steel and currently made primarily of biodegradable or resorbable synthetic materials

miniplate osteosynthesis

motor disturbance of the trigeminal nerve with spasm of masticatory muscles and difficulty in opening the mouth (lockjaw)

trismus

What are the objectives for patient preparation prior to oral and maxillofacial surgery?

  1. Reduce Oral Bacterial Count
  2. Reduce Inflammation of the Gingiva and Improve Tissue Tone
  3. Remove Calculus Deposits
  4. Instruct in Presurgical Personal Oral Care Procedures
  5. Instruct in the Use of Foods
  6. Interpret the Dentist's Directions
  7. Motivate the Patient Who Will have Teeth Remaining

What are some personal factors that may need to be addressed prior to maxillofacial surgery?

Apprehensive and Fearful


Resigned


Discouraged

What are two causes of fractured jaws?

Traumatic and Predisposing

A fracture is classified by using a combination of descriptive words for its....

Location


Direction


Nature


Severity

Location


Direction


Nature


Severity

has no communication with outside

simple fracture

has communication with outside

compound fracture

shattered

comminuted fracture

fracture has one side of bone broken and the other side bent; occurs in incompletely calcified bones

incomplete (greenstick)

classification used widely to identify the three general levels of maxillary fractures

Le Fort

Le Fort

a horizontal fracture line that extends above the roots of the teeth, above the palate, across the maxillary sinus, below the zygomatic process, and across the pterygoid plates

Le Fort I

the midface fracture extends over the middle of the nose, down the medial wall of the orbits, across the infraorbital rims, and posteriorly, across the pterygoid plates

Le Fort II

the high-level craniofacial fracture extends transversely across the bridge of the nose, across the orbits and the zygomatic arches, and across the pterygoid plates

Le Fort III

On average, how long does it take a maxillary fracture to heal without complications?

4 to 6 weeks

On average, how long does it take a mandibular fracture to heal without complications?

6 weeks

What is the major cause of complications with fractured jaws?

infection

the positioning of the parts on either side of the fracture so they are in apposition for healing and restoration of function

reduction

refers to the use of a surgical flap procedure to expose the fracture ends and bring them together for healing

open reduction

accomplished by manipulation of the parts without surgery

closed reduction

two special bone screws are placed via skin incisions on either side of the fracture; an acrylic bar is molded and, while still pliable, is pressed over the threads of the bone screws and locked into position with the screw nuts

external skeletal fixation

external skeletal fixation