Deck 56: Orofacial Clefts and Fractured Jaw

Question 1

Facial fractures can result from several of the following causes except which one?

A) Falls
B) Sport injuries
C) Bicycle accidents
D) Motor vehicle accidents

Answer 1

Bicycle accidents

Question 2

Orofacial clefts are prevalent among various ethnic populations.Which of the following populations has the lowest prevalence?

A) Non-Hispanic whites
B) North American Indians
C) African Americans
D) Asian or Pacific Islanders

Answer 2

African Americans

Question 3

Each of the following has a strong association with the occurrence of a nonsyndromic orofacial cleft except which one?

A) Maternal smoking
B) Maternal alcohol consumption
C) Lack of folic acid intake
D) Familial history

Answer 3

Maternal alcohol consumption

Question 4

An individual receives a blow to the head,specifically the mandible,during an altercation with another person and is rendered unconscious.What should be the initial response?

A) Call 911 for emergency personnel.
B) Secure the airway,breathing,and circulation.
C) Transport the individual to a healthcare facility.
D) Contact the person's physician or dentist.

Question 5

The most common problem associated with orofacial clefts that children may experience is:

A) Difficulty with bottle- or breast-feeding
B) Middle ear infections
C) Speech disorders
D) Malocclusion

Question 6

There is a female predominance for orofacial clefts that involve:

A) Cleft lip only
B) Cleft palate only
C) Cleft lip and palate
D) No predominance

Question 7

The primary (anterior)palate develops simultaneously with the secondary (posterior)palate.Palate development progresses from the anterior to the posterior.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second is false.
D) The first statement is false;the second is true.

Question 8

Which orofacial cleft is the most severe?

A) Complete unilateral cleft palate
B) Complete unilateral cleft lip and palate
C) Complete bilateral cleft palate
D) Complete bilateral cleft lip and palate

Question 9

In caries incidence in the primary dentition,which of the following teeth are least likely to be affected?

A) Mandibular incisors
B) Maxillary incisors
C) Mandibular molars
D) Maxillary molars

Question 10

Which of the following is not a symptom of a fractured jaw?

A) Deformed mandible
B) Malocclusion
C) Painful swelling at injury site
D) Difficulty closing

Question 11

Orthognathic surgery is indicated as a secondary corrective surgery for orofacial clefts.Which of the following is not a reason for surgery?

A) Maxillary deficiency
B) Mandibular deficiency
C) Malocclusion
D) Lip or nasal deformity

Question 12

All of the following serve on a multidisciplinary team to work together to manage the treatment needs of a person with an orofacial cleft except for one.Which one specialist is this exception?

A) Prosthodontist
B) Periodontist
C) Pedodontist
D) Pediatrician

Question 13

Embryologic development of the upper lip occurs during week:

A) 2
B) 3
C) 4
D) 5

Question 14

The most commonly fractured facial bone is which of the following?

A) Nasal bone
B) Mandible
C) Maxilla
D) Zygoma

Question 15

The three distinct characteristics of Pierre Robin sequence are:

A) Cleft lip,macrognathia,glossoptosis
B) Cleft lip,micrognathia,glossoptosis
C) Cleft palate,macrognathia,glossoptosis
D) Cleft palate,micrognathia,glossoptosis

Question 16

Which of the following enamel disturbances is associated with orofacial clefts?

A) Enamel hyperplasia
B) Enamel hypoplasia
C) Fluorosis
D) Amelogenesis imperfecta

Question 17

Orofacial clefts are one of the most common craniofacial congenital defects.The presence of an orofacial cleft most likely indicates the presence of a syndrome.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second is false.
D) The first statement is false;the second is true.

Question 18

For fractures,the terms greenstick,multiple,or comminuted relate to soft-tissue injury.The terms simple,compound,and complex relate to the severity of the break.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second is false.
D) The first statement is false;the second is true.

Question 19

Embryologic development of the palate is complete by week:

A) 9
B) 10
C) 11
D) 12

Question 20

Which of the following is not a symptom of a dislocated jaw?

A) Protrusion of the jaw
B) Malocclusion
C) Inability to close mouth
D) Symmetric jaw abnormality

Question 21

A periodontal condition or disease that should be expected during immobilization is which of the following?

A) Caries
B) Gingivitis
C) Sensitivity
D) Periodontal pockets

Question 22

During immobilization,dentifrices recommended to limit demineralization should contain sodium fluoride and to aid with tooth sensitivity should contain potassium triclosan.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second is false.
D) The first statement is false;the second is true.

Question 23

An individual with a fractured jaw who undergoes subsequent surgery will experience _____% loss of body weight.

A) 2
B) 5
C) 10
D) 15

Question 24

After surgical treatment of a fractured jaw,wiring of the mandibular and maxillary arches usually lasts _____ weeks.

A) <3
B) 3 to 5
C) 6 to 8
D) 9 to 11

Question 25

Infection is the main complication of mandibular fractures.Open reduction treatment leads to more infections than closed reduction treatment.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second is false.
D) The first statement is false;the second is true.