Orthotown June 2023 - 62

CONTINUING EDUCATION
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1. Thomas Kuhn hypothesized that a paradigm shift
in science occurs when someone comes along and
demonstrates that the old approach is no longer valid.
A. True.
B. False.
2. Dental crowding can best be defined as when:
A. The teeth are too big for the jaws.
B. The jaws are too small to accommodate the teeth.
C. There is an inconsistency between tooth size and
arch dimension.
D. Both A and B.
3. A 1983 article by Howe, McNamara and O'Connor found:
A. Tooth widths were larger in patients with crowding.
B. Tooth widths were smaller in patients without crowding.
C. No significant differences in tooth sizes between crowded
and noncrowded groups.
D. Differences in crowding when tooth size was compared
individually or mesiodistal sums of all
teeth in the arch were used.
4. In which decade did Holtzman recognize the important
role that the tongue and cheeks play in the development
of normal arch widths?
A. 1920s.
B. 1950s.
C. 1970s.
D. 1990s.
5. The Functional Matrix Theory states that:
A. Function follows form.
B. Small dental arches are the primary cause
of dental crowding.
C. Form follows function.
D. The tongue has weakened as a result of the
modern soft diet.
6. Who stated that growth of the facial region is linked to
that of other structural components and any alteration
of one part of the craniofacial complex produces an
equal alteration in another part which, in turn, creates a
functional imbalance?
A. Moss.
B. Enlow.
C. Harvold.
D. Corruccini.
7. Harvold's studies in the late 1970s and early 1980s
demonstrated that blocking the nasal passageways of
rhesus monkeys led to:
A. No change in dental arch width.
B. Broader dental arches and more vertical facial growth.
C. Narrower dental arches and more vertical facial growth.
D. Narrower dental arches and less vertical facial growth.
8. The most common immune-mediated disorder in
childhood is:
A. Allergic rhinitis.
B. Tonsillar hypertrophy.
C. Turbinate hypertrophy.
D. Chronic sinusitis.
9. The prevalence of turbinate hypertrophy in patients with
allergic rhinitis is estimated to be:
A. 21%.
B. 41%.
C. 61%.
D. 81%.
10. The new paradigm in the interceptive orthodontic
treatment of preadolescent patients is one that focuses
on treating:
A. The airway.
B. The symptom.
C. The etiology.
D. All of the above.
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JUNE 2023 | 62 | ORTHOTOWN.COM

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Orthotown June 2023

Table of Contents for the Digital Edition of Orthotown June 2023