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Using pneumo-computerized tomography as a quantitative assessment of result in submucous fibrosis patients treated with surgical release and free flap reconstruction.
[oral submucous fibrosis]
This
study
investigates
the
efficacy
of
oral
submucous
fibrosis
release
and
free
flap
reconstruction
.
Pneumo-computerized
tomography
(
pneumo-
CT
)
was
used
to
evaluate
postoperative
changes
in
the
buccal
vestibular
volume
during
maximum
blowing
.
From
March
2003
to
November
2008
,
9
patients
underwent
18
microvascular
flap
reconstructions
after
oral
submucous
fibrosis
release
.
The
preoperative
and
postoperative
buccal
vestibular
volumes
were
determined
by
capturing
the
air
density
in
the
selected
region
on
CT
images
,
which
were
composed
of
0
.
75
-
mm
-
thick
slices
that
were
then
summated
using
analysis
software
(
Biomedical
Imaging
Resource
;
Mayo
Foundation
,
Rochester
,
MN
)
.
Postoperative
results
were
measured
for
a
mean
follow-up
period
of
15
months
(
range
,
6
-
36
mo
)
.
There
was
significant
improvement
in
the
interincisal
distance
from
12
.
44
(
8
.
35
)
mm
preoperatively
to
32
.
56
(
7
.
322
)
mm
postoperatively
(
P
=
0
.
000
)
.
There
was
an
accompanying
significant
increase
in
the
buccal
vestibular
volume
from
5
.
66
(
3
.
92
)
mL
preoperatively
to
9
.
38
(
4
.
96
)
mL
postoperatively
on
the
right
side
(
P
=
0
.
032
)
and
from
6
.
44
(
4
.
20
)
mL
preoperatively
to
9
.
64
(
4
.
65
)
mL
postoperatively
(
P
=
0
.
048
)
on
the
left
side
.
Adequate
release
of
the
mucosa
and
resurfacing
with
a
free
flap
can
increase
the
interincisal
distance
and
improve
the
maximal
buccal
vestibular
volume
.
Air-contrast
pneumo-
CT
studies
demonstrate
an
improvement
in
buccal
mucosal
elasticity
.
Diseases
Validation
Diseases presenting
"mean follow-up period"
symptom
esophageal adenocarcinoma
heparin-induced thrombocytopenia
hydrocephalus with stenosis of the aqueduct of sylvius
oral submucous fibrosis
trochlear dysplasia
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