Wilkins Chapter 56

1. Which of the following is not an objective of dental hygiene care and instruction before oral and maxillofacial surgery?

a) Reduction of oral bacterial count

b) Reduction of inflammation of the gingiva

c) Fixation of bone fragments from a fractured jaw

d) Removal of calculus deposits

c) Fixation of bone fragments from a fractured jaw

Which of the following dietary components is not essential for promotion of healing following oral and maxillofacial surgery?

a) Carbohydrate

b) Protein

c) Vitamin A

d) Vitamin C

a) Carbohydrate

Which of the following instructions should a dental hygienist give to a patient regarding postsurgical care?

a) Place a gauze pad or cold wet tea bag over the surgical area when bleeding persists.

b) Rinse the surgical site continually for the first 24 hours following surgery.

c) Avoid brushing the teeth and flossing for 7 to 10 days following surgery.

d) Apply a heating pad to the jaw to reduce swelling.

a) Place a gauze pad or cold wet tea bag over the surgical area when bleeding persists.

Which of the following is not a predisposing condition for fractured jaw?

a) Rheumatoid arthritis

b) Tumors

c) Cysts

d) Osteoporosis

a) Rheumatoid arthritis

Which type of fracture involves shattering of a bone into many pieces and open communication with the outside (open wound)?

a) Compound comminuted

b) Simple comminuted

c) Simple incomplete

d) Compound incomplete

a) Compound comminuted

About how long does it take an uncomplicated mandibular fracture to heal?

a) 2 weeks

b) 6 weeks

c) 8 weeks

d) 12 weeks

b) 6 weeks

_____________ is the positioning of the parts on either side of the fracture so they are in apposition for

healing and restoration of function.

a) Fixation

b) Immobilization

c) Reduction

d) Occlusal

c) Reduction

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

a) Closed reduction

b) Open reduction

c) Open fixation

d) Closed fixation

b) Open reduction

Intermaxillary fixation is contraindicated for all of the following, except:

a) an obese patient.

b) a patient with a mental illness.

c) a patient with asthma.

d) a patient who vomits regularly.

a) an obese patient.

A fracture is classified by using a combination of descriptive words that include all of the following, except:

a) location.

b) direction.

c) nature.

d) severity.

e) size.

e) size.

Which of the following is not a principle for treating skeletal fractures?

a) Anatomic reduction

b) Functionally stable fixation

c) Traumatic surgical technique

d) Active function

e) Prevention of infection

c) Traumatic surgical technique

Which of the following is not an objective in planning the diet of a patient with a fractured jaw?

a) To help the patient maintain an adequate nutritional state

b) To promote healing

c) To prevent new carious lesions

d) To promote weight loss

d) To promote weight loss

Which of the following is not a clinical sign of a patient with a fractured jaw?

a) Pain, especially on movement, and tenderness on slight pressure over the fracture area

b) Teeth that are displaced, fractured, or mobile

c) Irregular occlusion of the teeth

d) Muscle spasm

e) Heavy calculus deposits on the teeth in the area of the fracture

e) Heavy calculus deposits on the teeth in the area of the fracture

Mandibular fractures are described by the location and include all of the following, except:

a) alveolar process.

b) condyle.

c) angle.

d) pterygoid process.

e) symphysis.

d) pterygoid process.

A) Intermaxillary fixation is accomplished by applying wires and/or elastic bands between the maxillary and mandibular arches. B) The advantage of this method is relative simplicity without surgical requirement.

a) Statement A is correct and statement B is false.

b) Statement A is false and statement B is true.

c) Both statements are true.

d) Both statements are false.

c) Both statements are true.

A) The Le Fort classification is used to identify the level of maxillary fractures. B) The Le Fort II craniofacial fracture extends across the bridge of the nose and across the orbits and the zygomatic arches and pterygoid plate.

a) Statement A is correct and statement B is false.

b) Statement A is false and statement B is true.

c) Both statements are true.

d) Both statements are false.

a) Statement A is correct and statement B is false.

Which of the following is not an advantage of IMF?

a) It is noninvasive.

b) It requires a longer period of convalescence.

c) It is a beneficial modality in less developed countries.

d) These are all advantages of IMF.

b) It requires a longer period of convalescence.

Which of the following is not a type of system used for immobilization?

a) Transosseous wiring (osteosynthesis)

b) Plates of various sizes

c) Platinum mesh

d) Bone clamps

c) Platinum mesh

Which one of the following is not a suggested mouth rinse after surgery?

a) Physiologic saline

b) Room temperature filtered water

c) Chlorhexidine gluconate

d) Fluoride

b) Room temperature filtered water

Fractures are classified by all of the following, except:

a) exterior surface.

b) direction.

c) nature.

d) severity.

a) exterior surface.

During fixation, dental hygiene is done by all the following, except the:

a) lips.

b) brush.

c) tongue.

d) facial muscles.

b) brush.

True or False? Maxillary fractures are easier to manage because of the fixation of the associated anatomy.

False