Minerals,
Journal Year:
2024,
Volume and Issue:
15(1), P. 10 - 10
Published: Dec. 26, 2024
Zirconia-toughened
alumina
(ZTA)
powders
with
20.0
wt.%
of
ZrO2
were
synthesized
using
the
coprecipitation
method.
Transmission
electron
microscopy
indicated
that
contained
needle-like
particles
15–30
nm
long
and
50–70
flake-like
a
uniform
component
distribution.
Effects
different
Y2O3
concentrations
(3.0,
4.0,
or
5.0
mol.%)
0.5
MnO
on
phase
composition,
microstructure,
physicomechanical
properties
composites
evaluated
after
sintering
at
1600
°C.
The
microhardness
5ZTA-Mn
samples
(5.0
mol.%
MnO)
was
1653
±
50
HV
when
density
reached
4.18
g/cm3.
For
digital
light
processing
commercial
3D
printer
Anycubic
Photon
S,
acrylate-based
homogeneous
slurries
obtained.
Compositions
based
ZTA
powder
stabilized
containing
studied.
in
materials
improved
polymerization
depth
during
UV-curing
process
as
compared
to
5ZTA
materials.
microstructure
mechanical
investigated
temperature
Compared
5ZTA,
showed
higher
(4.0
g/cm3)
(1409
HV).
According
vitro
experiments,
newly
developed
are
promising
for
biomedical
applications
can
serve
basis
production
personalized
implants
via
printing.
The Open Dentistry Journal,
Journal Year:
2024,
Volume and Issue:
18(1)
Published: Aug. 28, 2024
Introduction
The
osseointegration
of
dental
implants
is
critical
to
their
longevity
and
success.
Various
factors
such
as
surface
modifications,
both
additive
subtractive,
systemic
drug
administration,
growth
factors,
plasma
derivatives
can
influence
osseointegration.
Aims
Objectives
This
study
aimed
the
effects
gold
nanoparticles
aqueous
extract
apricot
kernels
on
titanium
in
tibia
rabbits.
Materials
Methods
Apricot
were
dried,
grounded,
dissolved
water
obtain
an
extract.
It
was
filtered
stored
refrigerator
at
4
o
C.
Gold
(AuNPs)
prepared
by
mixing
3
ml
0.02
mM
hydrogen
tetrachloroaurate
with
1
olive
leaf
mixture
stirred
vigorously
for
15
minutes
a
heater
stirrer
50
Titanium
screw
sterilized
autoclave
120
C
pounds
per
square
inch
30
minutes.
Sterilized
sealed
containers
until
use.
carried
out
College
Veterinary
Medicine,
University
Mosul,
Iraq.
ethical
approval
obtained
from
institutional
animal
care
use
committee,
Iraq,
15/04/2023
reference
no
UM.VET.2023.013.
Nine
healthy
male
adult
white
New
Zealand
rabbits
aged
between
10-12
months
utilized
study.
Three
pure
implants,
each
type,
placed
tibia.
categorized
follows:
control
group
(18
uncoated
implants)
experimental
(36
coated
implants).
implant
placement
divided
into
three
groups:
controls
(n=18),
AuNPs-coated
kernel
extract-coated
(n=18).
General
anesthesia
induced
intramuscular
injection
ketamine
hydrochloride
50mg
(1ml
/kg
body
weight)
plus
xylazine
2%
(0.2
weight).
implanted
superior
osteotomy
site
inferior
middle
sites.
Histological
histomorphometric
tests
performed
all
bone
blocks
one-week,
two-week,
three-week
intervals
after
placement.
results
evaluated
based
amount
formation,
cellular
components,
inflammation.
Tabulated
data
statistically
analyzed
using
SPSS
v23.0
(IBM,
Armonk,
NY)
ANOVA
statistical
significance
p
<0.05
Results
We
observed
significant
osteogenesis
reduced
inflammation
compared
untreated
implants.
osteoclastic
activity
significantly
higher
than
treated
A
association
Conclusion
application
appears
be
promising
reducing
improving
apposition
surface.
However,
this
preliminary
investigation
warrants
further
research.
Minerals,
Journal Year:
2024,
Volume and Issue:
15(1), P. 10 - 10
Published: Dec. 26, 2024
Zirconia-toughened
alumina
(ZTA)
powders
with
20.0
wt.%
of
ZrO2
were
synthesized
using
the
coprecipitation
method.
Transmission
electron
microscopy
indicated
that
contained
needle-like
particles
15–30
nm
long
and
50–70
flake-like
a
uniform
component
distribution.
Effects
different
Y2O3
concentrations
(3.0,
4.0,
or
5.0
mol.%)
0.5
MnO
on
phase
composition,
microstructure,
physicomechanical
properties
composites
evaluated
after
sintering
at
1600
°C.
The
microhardness
5ZTA-Mn
samples
(5.0
mol.%
MnO)
was
1653
±
50
HV
when
density
reached
4.18
g/cm3.
For
digital
light
processing
commercial
3D
printer
Anycubic
Photon
S,
acrylate-based
homogeneous
slurries
obtained.
Compositions
based
ZTA
powder
stabilized
containing
studied.
in
materials
improved
polymerization
depth
during
UV-curing
process
as
compared
to
5ZTA
materials.
microstructure
mechanical
investigated
temperature
Compared
5ZTA,
showed
higher
(4.0
g/cm3)
(1409
HV).
According
vitro
experiments,
newly
developed
are
promising
for
biomedical
applications
can
serve
basis
production
personalized
implants
via
printing.
