New Three Dimensional-Printed Polyethylene Terephthalate Glycol Liners for Hip Joint Endoprostheses: A Bioactive Platform for Bone Regeneration
Materials,
Год журнала:
2025,
Номер
18(6), С. 1206 - 1206
Опубликована: Март 8, 2025
Osteoporosis
and
bone
defects
are
commonly
observed
in
postmenopausal
women,
often
linked
to
decreased
folic
acid
levels,
which
play
a
crucial
role
metabolism
regeneration.
This
study
investigates
3D-printed
polyethylene
terephthalate
glycol
(PETG)-based
porous
scaffolds
impregnated
with
chitosan
(CS),
hydroxyapatite
(HAp),
(FA)
for
tissue
engineering
applications.
The
PETG-CS
scaffold
serves
as
the
primary
structural
framework,
HAp
incorporated
enhance
bioactivity
through
its
osteoconductive
osteoinductive
properties.
FA
was
included
address
potential
deficiencies
quality
stimulate
cellular
differentiation.
were
fabricated
using
precise
3D
printing
techniques,
yielding
structures
controlled
porosity.
Physicochemical
analyses
confirmed
successful
integration
of
into
matrix.
Biological
evaluations
preosteoblast
cell
lines
demonstrated
enhanced
viability,
proliferation,
biocompatibility
scaffolds.
These
findings
highlight
promising
applications
PETG-CS-HAp-FA
engineering,
providing
platform
future
investigations
personalized
regenerative
therapies.
Язык: Английский
Effect of Supracrestal Tissue Height on Marginal Bone Level Changes at Platform-Switching Dental Implants Placed Crestally and Subcrestally: A Randomized Clinical-Trial
Journal of Dentistry,
Год журнала:
2024,
Номер
148, С. 105219 - 105219
Опубликована: Июль 1, 2024
Язык: Английский
The influence of implant depth, abutment height and mucosal phenotype on peri‑implant bone levels: A 2-year clinical trial
Journal of Dentistry,
Год журнала:
2024,
Номер
148, С. 105264 - 105264
Опубликована: Июль 23, 2024
To
evaluate
the
bone
changes
around
equicrestal
and
subcrestal
implants,
analyzing
effect
of
abutment
height
[short
abutments
(SA
<
2
mm)
long
(LA
>
mm)]
three
components
peri‑implant
soft-tissue
phenotype.
Язык: Английский
Evaluation of the Stability of Open-Tray Impression Coping Using Two Different Impression Materials at Three Different Subgingival Implant Placement Depths
Gayathri P.M,
Kala Sukumaran,
K Harshakumar
и другие.
Cureus,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 26, 2024
Objective
To
evaluate
and
compare
the
stability
of
open
tray
impression
coping
within
set
while
attaching
lab
analog
when
polyether
(PE)
heavy
body
polyvinyl
siloxane
(PVS)
putty
materials
were
used
implant
platform
was
placed
sub-gingivally
at
three
different
depths.
Methods
Two
materials,
PE
PVS,
custom-made
plexiglass
models
with
embedded
single
implants
to
simulate
positioning
depths
0
mm,
2
4
sub-gingivally,
in
study.
Open
impressions
made
after
model.
Implant
attached
impression,
its
measured
using
a
universal
testing
machine.
Forty-two
six
groups,
seven
each
group.
Descriptive
statistics
such
as
mean
standard
deviation
calculated.
A
comparison
between
two
depth
done
an
independent
t-test.
Comparison
subgingival
material
by
one-way
ANOVA
Scheffe
multiple
test
(post-hoc
analysis).
The
level
significance
p<0.05.
Results
force
Newtons
required
for
displacement
impression.
mm
gave
highest
value
(4.37+/-0.41),
least
offered
PVS
(1.88+/-0.37).
When
t-test
values
there
statistically
significant
difference
mm.
On
doing
groups
PVS.
tests
analysis)
revealed
placement
both
Conclusion
accuracy
master
cast
is
important
determinant
precise
fit
long
life
final
prosthesis.
In
case
maxillary
anterior
placements
where
deep
needed
aesthetic
functional
reasons,
should
be
selected
carefully
ensure
coping.
Among
included
present
study,
maximum
compared
Язык: Английский