Effects of washing agents on the mechanical and biocompatibility properties of water-washable 3D printing crown and bridge resin
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Апрель 30, 2024
Three-dimensional
(3D)
printing,
otherwise
known
as
additive
manufacturing
in
a
non-technical
context,
is
becoming
increasingly
popular
the
field
of
dentistry.
As
an
essential
step
3D
printing
process,
postwashing
with
organic
solvents
can
damage
printed
resin
polymer
and
possibly
pose
risk
to
human
health.
The
development
water-washable
dental
resins
means
that
water
be
used
washing
agent.
However,
effects
agents
times
on
mechanical
biocompatibility
properties
remain
unclear.
This
study
investigated
impact
different
(water,
detergent,
alcohol)
time
points
(5,
10,
20,
30
min)
flexural
strength,
Vickers
hardness,
surface
characterization,
degree
conversion,
biocompatibility,
monomer
elution
samples.
Using
for
long-term
better
preserved
properties,
caused
smooth
surface,
improved
20
min
achieving
same
biological
performance
solvents.
Water
applicable
agent
option
temporary
crown
bridge
process.
advancement
facilitates
other
intraoral
optimization
clinical
standard
guidelines.
Язык: Английский
Advances in Digital Light Processing (DLP) Bioprinting: A Review of Biomaterials and Its Applications, Innovations, Challenges, and Future Perspectives
Polymers,
Год журнала:
2025,
Номер
17(9), С. 1287 - 1287
Опубликована: Май 7, 2025
Digital
light
processing
(DLP)
technology
stands
out
as
a
groundbreaking
method
in
the
field
of
biomedical
engineering
that
enables
production
highly
precise
structures
using
photopolymerizable
materials.
Smart
materials
such
shape
memory
polymers,
hydrogels,
and
nanocomposites
are
used
ideal
for
personalized
medicine
applications
thanks
to
their
properties
superior
mechanical
strength,
biocompatibility,
sensitivity
environmental
stimuli
DLP
technology.
The
integration
these
with
functional
complex
structures,
especially
areas
bone
soft
tissue
engineering,
drug
delivery,
biosensor
production.
However,
limited
material
diversity,
scalability
problems
processes,
technical
difficulties
optimizing
bioprinting
parameters
among
main
obstacles
this
field.
This
study
systematically
examines
role
smart
biomaterials
DLP-based
processes.
It
addresses
innovative
regenerative
medicine.
also
comprehensively
evaluates
its
contributions
discusses
future
research
overcome
current
limitations.
Язык: Английский
Additive technologies use to create structures for technical fabric replacement
Journal of Industrial Textiles,
Год журнала:
2024,
Номер
54
Опубликована: Янв. 1, 2024
The
production
technology
of
one
the
essential
structural
parts
rubber-textile
conveyor
belts,
textile
carcass,
has
not
changed
much
since
start
their
use.
Specific
changes
occurred
only
in
material
used
when
various
synthetic
fibres
gradually
replaced
cotton.
However,
with
development
additive
technologies,
possibility
changing
is
coming
to
fore,
industrial
textiles
produced
by
classic
weaving
will
be
make
carcass
but
a
structure
built
3D
printing.
Confirmation
this
change
would
represent
revolutionary
breakthrough
for
belt
production.
Based
on
these
facts,
using
continuous
printing
was
verified
print
that
replace
technical
fabric
carcass.
As
part
research,
Selective
Laser
Sintering
(SLS),
Fused
Deposition
Modeling
(FDM),
and
Stereolithography
(SLA)
technologies
were
verified.
Experimental
specimens
dimensions
145
x
185
mm
three
different
positions:
at
an
angle
(45°),
horizontally,
vertically.
made
types
filament:
SLA
(Elastic
50A),
SLS
(TPU
1301),
FDM
(Flexfill
92A);
each
positions
specimen,
filament
consumption
time
determined
due
use
support
material.
Created
then
assessed
regarding
achievement
desired
structure.
Язык: Английский
Comprehensive Study of Mechanical, Electrical and Biological Properties of Conductive Polymer Composites for Medical Applications through Additive Manufacturing
Polymers,
Год журнала:
2024,
Номер
16(18), С. 2625 - 2625
Опубликована: Сен. 17, 2024
Conductive
polymer
composites
are
commonly
present
in
flexible
electrodes
for
neural
interfaces,
implantable
sensors,
and
aerospace
applications.
Fused
filament
fabrication
(FFF)
is
a
widely
used
additive
manufacturing
technology,
where
conductive
filaments
frequently
contain
carbon-based
fillers.
In
this
study,
the
static
dynamic
mechanical
properties
electrical
(resistance,
signal
transmission,
resistance
measurements
during
cyclic
tensile,
bending
temperature
tests)
were
investigated
polylactic
acid
(PLA)-based,
acrylonitrile
butadiene
styrene
(ABS)-based,
thermoplastic
polyurethane
(TPU)-based,
polyamide
(PA)-based
with
additives.
Scanning
electron
microscopy
(SEM)
was
implemented
to
evaluate
results.
Cytotoxicity
performed.
The
ABS
specimens
have
high
gauge
factor
between
0.2%
1.0%
strain.
All
tested
materials,
except
PA-based
composite,
suitable
low-voltage
applications
such
as
3D-printed
EEG
EMG
sensors.
ABS-based
TPU-based
promising
raw
materials
measuring
medical
Язык: Английский