Coffee #2 Document Questions pt. 5 Flashcards
If you are asked on a ceph tracing to use machine porion instead of the anatomic porion, what measurements will change?
FMA
Y-Axis will increase (FH-S-Gn)
Most common error in cephalometric tracing
Proper identification of landmarks
Most common course of error on a ceph?
Patient-film distance
When superimposing on the mandible, what do you NOT superimpose
a. symphysis
b. angle of the mandible
c. mandibular canal
d. Mental foramen
mental foramen
Strengths of a template cephalometric analysis include all of the following, except:
a. Easy use of age-related standards
b. Quick overall impression of dentofacial structures
c. Non-utilization of linear measurements
d. Readily integration for computer use
c. Non-utilization of linear measurements
NLA norms
94-110
What are some effects of a clefted soft palate?
a. hypernasal speech
b. Snoring
c. All of the above
d. None of the above
c. All of the above
What causes a problem in a cleft patients’ speech?
a. An inability to build up intraoral pressure
b. A large tongue
c. A narrow mandible
d. All of the above
a. An inability to build up intraoral pressure
What is the incidence of cleft palate
a. 1 in 100
b. 1 in 500
c. 1 in 750
d. 1 in 1500
c. 1 in 750
What is the incidence of cleft palate in American Indian population?
a. Higher in whites
b. Less than whites
a. Higher than whites
Indian > Asian > Whites > AA
Which is NOT found in cleft palates
a. Impacted centrals
b. Rotated incisors
c. Missing laterals
d. Posterior crossbite
a. Impacted centrals
A patient with a cleft palate only is best retained with
a. an anterior bridge
b. a posterior bridge
c. a partial denture
d. retainer with a pontic
Retainer with a pontic
What is effective bone graft for alveolar cleft?
Bone from iliac
Cleft palate develops
a. During first trimester of pregnancy
b. During second trimester of pregnancy
c. During third trimester of pregnancy
d. At birth
a. First trimester
When does cleft lip and palate occur?
6-8 weeks in utero
Infants with repaired clefts of lip and palate
a. Have normal development of hard and soft tissue
b. Have normal development of the soft palate
c. Have a deficiency of the soft palate
d. None of the above
c. Have a deficiency of the soft palate
Most effective time to surgically close a cleft palate is
a. 6 months
b. at birth
c. 1 year after birth
d. 2 years after birth
c. 1 year after birth
The recent consensus is that grafting of alveolar process in cleft palate patient is contraindicated during:
a. Infancy
b. Late primary and early mixed dentition
c. Late mixed and early permanent dentition
d. Late teens
a. Infancy
In which of the following cleft types is hypertelorism found?
a. Oro-ocular
b. Lateral
c. Oblique
d. Midline
d. Midline
Which is reduced in cleft patients?
a. Upper facial height
b. Lower facial height
c. Neither
d. Both
a. Upper facial height
When should an alveolar bone graft in a cleft site be performed?
a. When the canine root is 1/3 formed
b. When the canine root is 2/3 formed
c. When the central root is 1/3 formed
d. When the central root is 2/3 formed
b. When the canine root is 2/3 formed
What are some possible causes of cleft palate
a. Heredity
b. Drugs
c. All of the above
d. None of the above
c. All of the above
Cleft of the lip is due to what?
Failure of fusion of the medial nasal process and maxillary process
Cleft lip results in failure of merging of
a. Maxillary with mandibular processes
b. Maxillary processes with one another
c. Maxillary and median nasal processes
d. Medial and lateral nasal processes
e. Palatine processes with nasal septum
c. Maxillary and median nasal processes
For a demanding patient, how to alleviate distrust
recommend a second opinion
Cooperation is more likely to be a problem in a patient with
a. External motivation for seeking treatment
b. High degree of parental control
c. Multi-cultural background
d. Any of the above
a. External motivation for seeking treatment
In prioritizing realistic treatment objectives, a compromise could be made on the following, except:
a. Establishing ideal occlusion
b. Addressing the patient’s chief complaint.
c. Achieving ideal facial esthetics
d. Maximizing stability
b. Addressing the patient’s chief complaint
An adult patient who seeks orthodontic treatment tends to have:
a. Less positive self-image than average
b. An average self-image
c. More positive self-image than average
d. None of the above
C. More positive self-image than average
Lack of cooperation with orthodontic treatment in an adult patient usually stems from
- Personal choice of disagreement or poor understanding of treatment modality
- Passive attitude or carelessness
- Low tolerance of discomfort
- Higher social demands and constraints
a. 1,2&3
b. 1,3&4
c. 2,3&4
d. 2&3
b. 1, 3, & 4
Abdominal thrusts on a child should be performed
a. Above the navel and above the sternum
b. Above the navel and below the sternum
c. Below the navel and above the sternum
d. Below the navel and below the sternum
b. Above the navel and below the sternum
During CPR, where do you push for thrust to resucitate?
Lower 1/3 of sternum
If a child swallows a band and is conscious with coughing, the doctor should
a. Rush the child to the nearest emergency room
b. Perform the Heimlich maneuver
c. Stay with the patient and encourage coughing
d. Watch and wait
c. Stay with the patient and encourage coughing
How many minutes without oxygen can the brain survive?
a. 2
b. 4
c. 6
d. 7
c. 6
If you see an unconscious person lying on the floor what do you do first?
a. activate EMS
b. Look for ID
c. Start CPR
d. Nothing
a. Activate EMS
In an adult, a rescue breath (CPR) is given every:
a. 2 seconds
b. 3 seconds
c. 4 seconds
d. 5 seconds
e. 10 seconds
d. 5 seconds
Difference between Primoridal and Residual cyst
Primordial: Where a tooth should be but didn’t form
Residual: Peripapical cyst remaining after extraction
A differential diagnosis for a multilocular radiolucency includes all of the following except:
a. Ameloblastoma
b. Central giant cell granuloma
c. Cementoblastoma
c. Cementoblastoma
How does a mucocele differ from a true cyst?
a. It lacks saliva
b. It lacks an epithelial lining
c. It fluctuates in size
b. It lacks an epithelial lining
Which of the following is true about ameloblastomas
a. They fluctuate in size
b. They are radiopaque
c. They do not frequently metastasize
c. They do not frequently metastasize
Where is ameloblastoma more common?
angle of the mandible
What are characteristics of Ameloblastoma?
- Occurs in third molar area
- High recurrence after removal
- Usually occurs after age 20
- No sexual predilection
- All of the above
Most common odontogenic tumor
Odontoma (70%)
Peripapical cemental dysplasia, what do cyst look like on radiograph
Radiolucent
Middle aged, AA women
What is most important with digital cameras?
a. Resolution
b. Lighting
c. Focus to zoom ratio
a. Resolution
AAO standard for facial pictures
1/4 photo size
T/F, Human eye sees 46 shades of gray
Digital camera sees 256 shades (if 8 bit)
True
True
What is the largest in an infant
a. Width of head
b. Depth of head
c. Vertical size of head
Width of head
Which dimension of infants most closely resembles adults
a. Depth
b. Width
c. Height
b. Width
Which dimension finishes growing first in the head
a. Width
b. Depth
c. Vertical
a. Width
Post-natal incremental changes in the face are:
- Most in height
- Most in width
- Least in width
- Greatest in width
a. 1 & 3
b. 2 & 3
c. 3 & 4
d. 1 & 4
A. 1 & 3
