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Patient with oligodontia treated with a miniscrew for unilateral mesial movement of the maxillary molars and alignment of an impacted third molar.
[oligodontia]
This
report
describes
the
treatment
of
a
20
-
year
-old
woman
with
a
dental
midline
deviation
and
7
congenitally
missing
premolars
.
She
had
retained
a
maxillary
right
deciduous
canine
and
4
deciduous
second
molars
,
and
she
had
an
impacted
maxillary
right
third
molar
.
The
maxillary
right
deciduous
second
molar
was
extracted
,
and
the
space
was
nearly
closed
by
mesial
movement
of
the
maxillary
right
molars
using
an
edgewise
appliance
and
a
miniscrew
for
absolute
anchorage
.
The
miniscrew
was
removed
,
and
the
extraction
space
of
the
maxillary
right
deciduous
canine
was
closed
,
correcting
the
dental
midline
deviation
.
After
the
mesial
movement
of
the
maxillary
right
molars
,
the
impacted
right
third
molar
was
aligned
.
To
prevent
root
resorption
,
the
retained
left
deciduous
second
molars
were
not
aligned
by
the
edgewise
appliance
.
The
occlusal
contact
area
and
the
maximum
occlusal
force
increased
over
the
2
years
of
retention
.
The
miniscrew
was
useful
for
absolute
anchorage
for
unilateral
mesial
movement
of
the
maxillary
molars
and
for
the
creation
of
eruption
space
and
alignment
of
the
impacted
third
molar
in
a
patient
with
oligodontia
.
