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1. When considering the treatment plan for a patient, there is a heirarchical prioritization of
stages to their dental treatment and plan. Orthodontic treatment would be in what phase: (which
is the correct answer?)
a. Definitive phase
b. Control phase
c. Reevaluation phase
d. Urgent phase
e. Maintenance phase
a. Definitive phase
2. Which diagnostic record is not routinely taken as part of standard orthodontic diagnostic
records? (Which is incorrect?)
a. Study models
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b. MRI TMJ's
c. Clinical examination
d. Radiograph - Panoramic radiograph (pano)
e. Radiograph - Lateral Cephalogram
f. Photographs - Extraoral and Intraoral
b. MRI TMJ's
3. When carrying out an examination and evaluation of the soft tissues of a patient for
orthodontic treatment, the following are looked for, except: (which is the incorrect answer?)
a. Facial vertical thirds
b. Facial horizontal fifths
c. Facial asymmetries
d. Lip projection compared to the esthetic line (e line)
e. Molar relationship of the teeth
f. Smile line and smile arc
g. Lip Competency
e. Molar relationship of the teeth
4. When examining a set of orthodontic study models, the clinical information that cannot be
obtained is: (which is the incorrect answer?)
a. Dental centerlines
b. Incisal overjet
c. Skeletal relationship of the patient
d. Anterior or posterior crossbite
e. Canine and molar relationship
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f. Degree of dental crowding
c. Skeletal relationship of the patient
5. When examining a set of orthodontic study models, the following clinical information can be
obtained except: (which is the wrong answer?)
a. Alignment of the teeth
b. Rotations of the teeth
c. Missing teeth
d. Teeth that are tipped
e. Upper incisal show when patient smiles
f. The curve of Spee
e. Upper incisal show when patient smiles
6. When reviewing a set of orthodontic study models, dental clinical crowding is classified as:
(which is the correct answer?)
a. Mild - 0-2mm, Moderate - 2-4mm, Severe - >4mm
b. Mild - 0-3mm, Moderate - 3-6mm, Severe - >6mm
c. Mild - 0-4mm, Moderate - 4-8mm, Severe - >8mm
d. Mild - 0-5mm, Moderate - 5-10mm, Severe - >10mm
e. Mild - 0-6mm, Moderate - 6-12mm, Severe - >12mm
c. Mild - 0-4mm, Moderate - 4-8mm, Severe - >8mm
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7. From a Panoramic radiograph (pano), the findings you could obtain would include all the
below except: (which is the incorrect answer?)
a. Length of roots of the teeth
b. The occlusion of the teeth
c. The presence of pathology with the TMJ's
d. Restorations in teeth e. Root morphology
b. The occlusion of the teeth
8. Cephalometric analysis of a lateral cephalogram for orthodontic treatment allows the clinician
to evaluate everything except: (what is the incorrect answer?)
a. evaluate the upper jaw to the cranial base
b. evaluate the lower jaw to the upper jaw (and visa versa)
c. determine the canine and molar relationship
d. determine the position of the teeth to the jaws
e. determine the position of the teeth to the cranial base and facial soft tissues f. the lower jaw to
cranial base
c. determine the canine and molar relationship
9. When evaluating physical growth for the optimal orthodontic treatment timing, ie. pubertal
growth spurt, the worse predictor of skeletal growth age is:
a. Lateral cephalometric radiograph
b. Chronological age
c. Female or male growth chart, observations plotted every 6 months for standing
height
d. Wrist radiograph evaluation
b. Chronological age
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