Download Ortho MEQ-1

Orthodontic examinations (MEQ-1)
Victoria has just turned 11 and arrived at your office this morning for a routine dental check
up. She is in late mixed dentition and her mother pointed out that her front teeth didn’t look
right. At closer examination, there is an isolated dental anterior cross bite of tooth #11 with
an increased overbite of more than 4mm. There was increased incisal wear on #11 and slight
gingival blanching was also noted on the buccal surface of #41 when Victoria is in maximum
intercuspation. Otherwise she was asymptomatic.
Q1.
Which of the following statements regarding late mixed dentition is correct?
a.
The age range must be between 11 and 13 years
b.
All permanent teeth are present except for second and third molars
c.
The dentition where permanent teeth are mixed up with retained deciduous
teeth
d.
The dentition where all deciduous teeth have been replaced by their
permanent successors except for E’s or D’s.
e.
There are no criteria to judge
Answer:
Q2.
Isolated dental anterior crossbite means:
a.
Crossbite involves all the incisors
b.
Crossbite only involves the upper centrals
c.
The degree of crossbite must not excess 4mm
d.
Crossbite that usually happens to late mixed dentition
e.
Crossbite that takes place in individual anterior(s)
f.
Crossbite that could be corrected by removable appliances
Answer:
Q3.
d
e
Increased incisor wear in this case might indicate:
a.
Tooth developmental problems
b.
Persistent digital sucking
c.
Coarse food diet
d.
Likelihood of a traumatic bite
e.
Answer:
Q4.
Gingival blanching
d
Which of the following removable appliances is most suitable for Victoria?
a.
Functional appliance
b.
Bite plate
c.
RME
d.
Twin-block
e.
Appliance with Z-spring
Answer:
e
Q5.
Which of the following statements is excluded from the etiologies for isolated
crossbite?
a.
b.
c.
d.
e.
Answer: e
Q6.
Oral habits
Eruption problems
Mandibular functional protrusion
Trauma
Heredity
What does overbite indicate about upper and lower anteriors?
a.
b.
c.
d.
e.
Answer: a
Vertical relation
Horizontal relation
Transversal relation
Degree of overlapping
Degree of crowding