the present study
Fig.
2
–
Collagen
density
in
the
gingival
tissue. *p
<
0.0083,
compared
with
the
control
group
(10-months
old
group).
yp
<
0.0083,
compared
with
6-months
old
group
(control
group).
Fig.
3
–
Serum
levels
of
ROM
in
rats. *p
<
0.0083,
compared
with
the
control
group
(10-months
old). yp
<
0.0083,
compared
with
6-months
age
group
(each
group).
a
r
c
h
i
v
e
s
o
f
o
r
a
l
b
i
o
l