Journal of Dentistry,
Journal Year:
2025,
Volume and Issue:
unknown, P. 105805 - 105805
Published: May 1, 2025
To
evaluate
the
influence
of
polydopamine
(PDA)
treatment
on
bond
strength,
fracture,
and
wear
resistance
occlusal
veneers
(OVs)
fabricated
using
additive
(AM)
subtractive
manufacturing
(SM)
techniques.
Three
hundred
twenty
0.5
mm-thick
OVs
were
through
AM
SM
from
four
groups
materials
(n=80):
ceramic-filled
resin
(AM-C),
zirconia
(AM-Z),
nano-ceramic
(SM-C),
(SM-Z).
Each
group
was
further
divided
into
PDA-treated
untreated
subgroups
(n=40).
Specimens
cemented
onto
dies
self-curing
cement
(Multilink
N;
Ivoclar
Vivadent)
subjected
to
five
million
chewing
cycles
with
thermal
cycling.
Fracture
assessed
a
load-to-failure
test
3D
surface
analysis,
respectively
(n=20).
Additionally,
strength
evaluated
pull-out
Data
analyzed
three-way
ANOVA
assess
main
interaction
effects
material,
technique,
PDA
(α=.05).
Significant
material
type,
found
for
all
outcomes
(p<.001),
along
significant
×
interactions.
notably
improved
fracture
in
AM-Z
AM-C
(p<.05),
but
had
minimal
effect
groups.
Wear
significantly
reduced
following
while
SM-C
showed
slight
increase
(p=.021).
Among
groups,
demonstrated
weakest
overall
mechanical
performance.
enhanced
materials,
limited
ceramics.
Milled
best
performance,
consistently
performed
worst.
Polydopamine
enhances
performance
by
manufacturing,
particularly
improving
resistance.
This
approach
may
clinical
reliability
3D-printed
restorations,
especially
thin,
conservative
designs.
Frontiers in Bioengineering and Biotechnology,
Journal Year:
2025,
Volume and Issue:
13
Published: Feb. 11, 2025
Three-dimensional
(3D)
printing
has
rapidly
become
a
transformative
force
in
orthopedic
surgery,
enabling
the
creation
of
highly
customized
and
precise
medical
implants
surgical
tools.
This
review
aims
to
provide
more
systematic
comprehensive
perspective
on
emerging
3D
technologies—ranging
from
extrusion-based
methods
bioink
powder
bed
fusion—and
broadening
array
materials,
including
bioactive
agents
cell-laden
inks.
We
highlight
how
these
technologies
materials
are
employed
fabricate
patient-specific
implants,
guides,
prosthetics,
advanced
tissue
engineering
scaffolds,
significantly
enhancing
outcomes
patient
recovery.
Despite
notable
progress,
field
faces
challenges
such
as
optimizing
mechanical
properties,
ensuring
structural
integrity,
addressing
regulatory
complexities
across
different
regions,
considering
environmental
impacts
cost
barriers,
especially
low-resource
settings.
Looking
ahead,
innovations
smart
functionally
graded
(FGMs),
along
with
advancements
bioprinting,
hold
promise
for
overcoming
obstacles
expanding
capabilities
orthopedics.
underscores
pivotal
role
interdisciplinary
collaboration
ongoing
research
harnessing
full
potential
additive
manufacturing,
ultimately
paving
way
effective,
personalized,
durable
solutions
that
improve
quality
life.
Materials,
Journal Year:
2025,
Volume and Issue:
18(4), P. 804 - 804
Published: Feb. 12, 2025
Fluorapatite
glass-ceramics
(FGC)
have
been
widely
used
in
dental
ceramics
due
to
their
excellent
aesthetic
properties
and
biocompatibility.
In
recent
years,
new
synthesis
methods,
forming
technologies,
the
continuous
optimization
of
performance
attributes
driven
application
FGC
veneers,
coatings,
composites,
other
restorations.
This
review
summarizes
current
research
applications
this
material
field
looks
forward
its
future
directions.
The
article
focuses
on
five
aspects:
development
preparation
techniques
for
FGC;
advances
restoration
shaping
technologies;
advantages
limitations
these
materials
as
materials;
status
restorations;
well
challenges
prospects.
addition,
additive
manufacturing
technology
shows
extremely
broad
potential
molding
applications.
is
hoped
provide
strong
guidance
further
field,
promoting
integration
related
industry
upgrades
better
meet
needs
clinical
practice
patients.
Machines,
Journal Year:
2024,
Volume and Issue:
12(3), P. 166 - 166
Published: Feb. 28, 2024
A
set
of
online
inspection
systems
for
surface
defects
based
on
machine
vision
was
designed
in
response
to
the
issue
that
extrusion
molding
ceramic
3D
printing
is
prone
pits,
bubbles,
bulges,
and
other
during
process
affect
mechanical
properties
printed
products.
The
system
automatically
identifies
locates
by
inspecting
upper
blank,
then
feeds
back
control
produce
a
layer
adjustment
or
stop
printing.
Due
conflict
between
position
camera
head
printer,
placed
at
an
angle,
method
identifying
points
fitting
function
data
used
correct
aberrations.
region
be
detected
extracted
using
Otsu
(OSTU)
acquired
image,
are
methods
such
as
Canny
algorithm
Fast
Fourier
Transform,
three
distinguished
double
threshold
method.
experimental
results
show
new
aberration
correction
can
effectively
minimize
effect
near-large
selection
caused
tilted
placement
camera,
accuracy
this
detecting
reached
more
than
97.2%,
with
detection
0.051
mm,
which
meet
requirements.
Using
weighting
distinguish
its
features
defects,
confusion
matrix
recall
rate
precision
evaluation
indexes
system,
has
accurate
capability
occur
process.
Deleted Journal,
Journal Year:
2024,
Volume and Issue:
3(1), P. 200111 - 200111
Published: Jan. 21, 2024
Ceramic
vat
photopolymerization
(VPP)
enables
the
fabrication
of
complex
components
with
excellent
properties
and
high
precision.
However,
compared
metals
polymers,
industrial
application
ceramic
VPPs
remains
relatively
limited.
This
can
be
attributed
to
challenges
associated
feedstock
printability,
complexity
printing
process,
insufficient
performance
evaluation,
service
verification.
To
overcome
these
limitations,
design
a
viscoelastic
paste
corresponding
VPP
strategies
offer
promising
solution.
paper
presents
review
research
on
state
paste-based
VPP.
The
main
technical
aspects,
including
design,
support
strategies,
green-body
cleaning,
subsequent
post-treatment,
are
discussed.
Furthermore,
representative
applications
for
various
types
advanced
ceramics
surveyed.
also
highlights
involved
provides
suggestions
addressing
issues.
Finally,
future
directions
promoting
additive
manufacturing
enhanced
efficiency
reliability
Journal of Prosthetic Dentistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 1, 2024
Additive
(3-dimensional
printing)
and
subtractive
(milling)
methods
are
digital
approaches
to
fabricating
zirconia
restorations.
Comparisons
of
their
resultant
fabrication
accuracy
restoration
fit
lacking.
