Matéria (Rio de Janeiro),
Journal Year:
2024,
Volume and Issue:
29(4)
Published: Jan. 1, 2024
ABSTRACT
The
increase
in
hospital-acquired
infections
(HAIs)
associated
with
medical
devices
underscores
the
need
for
antimicrobial
coatings.
This
study
aims
to
compare
efficacy,
biocompatibility,
ion
release,
and
durability
of
silver
nanoparticles,
copper
coatings,
zinc
oxide
nanostructures
as
coatings
devices.
Coatings
were
prepared
characterized,
efficacy
tested
against
E.
coli
S.
aureus
via
inhibition
zone
measurements.
Silver
demonstrated
highest
effect,
zones
averaging
90%,
while
showed
moderate
80%
70%,
respectively.
Biocompatibility,
assessed
using
human
fibroblasts
an
MTT
assay,
cell
viability
oxide,
followed
by
silver.
Durability
tests
under
simulated
physiological
conditions
indicated
that
retained
over
90%
structural
integrity,
greater
degradation.
Ion
release
profiles
highlighted
silver’s
rapid
ideal
short-term
activity,
steady,
sustained
release.
These
findings
suggest
immediate
infection
control,
offer
balanced
long-term
safety
durability,
making
them
suitable
extended
applications
Prosthesis,
Journal Year:
2025,
Volume and Issue:
7(1), P. 21 - 21
Published: Feb. 18, 2025
Background/Objectives:
The
increasing
demand
for
total
hip
arthroplasty
(THA),
due
to
aging
populations
and
active
lifestyles,
necessitates
advancements
in
implant
materials
design.
This
review
evaluates
the
role
of
surface
coatings
enhancing
performance,
biocompatibility,
longevity
implants.
It
addresses
challenges
like
wear,
corrosion,
infection,
focusing
on
innovative
engineering
solutions.
Methods:
analyzes
various
modification
techniques,
including
physical
vapor
deposition
(PVD),
chemical
(CVD),
electrophoretic
(EPD),
plasma
spraying,
ion
implantation.
also
examines
their
effectiveness
improving
tribological
properties,
resistance
infection.
Computational
methods
such
as
finite
element
analysis
(FEA)
are
discussed
predicting
potential
coating
failures.
Results:
findings
underscore
posed
by
wear
debris
corrosion
common
configurations,
metal-on-metal
(MoM)
metal-on-polyethylene
(MoP).
Innovative
coatings,
diamond-like
carbon
(DLC)
films
hydroxyapatite
(HA)
layers,
demonstrate
enhanced
performance
reducing
friction,
bacterial
adhesion,
while
promoting
osteogenic
cell
attachment.
Surface
textures
optimized
properties
further
improve
functionality.
Multifunctional
exhibit
balancing
biocompatibility
infection
resistance.
Conclusions:
plays
a
critical
advancing
next-generation
integration
advanced
modifications
enhances
durability,
reduces
complications,
improves
patient
outcomes.
Future
research
should
focus
combining
computational
modeling
refine
strategies
long-term
success
THA.
Journal of Biomedical Materials Research Part B Applied Biomaterials,
Journal Year:
2025,
Volume and Issue:
113(3)
Published: Feb. 24, 2025
ABSTRACT
Skin
tissue
defects
caused
by
various
acute
and
chronic
etiologies
frequently
occur
in
clinical
medicine.
Traditional
surgical
repair
methods
have
certain
limitations,
while
dermal
substitutes
combined
with
skin
grafting
become
an
alternative
to
conventional
surgery.
Biological
coatings,
loading
bioactive
substances
such
as
polysaccharides
proteins,
or
using
carriers,
can
promote
cell
adhesion,
proliferation,
differentiation.
This
optimizes
the
mechanical
properties
biocompatibility
of
substitutes,
enhances
their
antibacterial
properties,
improves
feasibility
for
application.
paper
explores
common
biological
coating
materials
construction
used
field
substitutes.
It
highlights
importance
necessity
coatings
development
multifunctional
designs
By
summarizing
current
research,
this
aims
offer
new
insights
references
design
application
Journal of Composites Science,
Journal Year:
2025,
Volume and Issue:
9(3), P. 140 - 140
Published: March 17, 2025
Since
tooth
loss
is
a
common
problem
in
humans
and
widespread
worldwide,
dental
implants
are
an
effective
optimal
alternative
to
solve
this
problem.
Thus,
it
necessary
develop
with
improved
surfaces
that
favor
the
osseointegration
of
implant
into
surrounding
tissues
promote
cell
adhesion
proliferation
while
also
preventing
inhibiting
peri-implant
infections
can
lead
failure.
In
regard,
review
aims
provide
new
insights
nanotechnology
use
nanoparticles
creating
coatings,
trends
for
enhancing
surfaces,
current
technologies
used
purpose.
Although
vitro
vivo
tests
attest
possible
nanomaterials
described
review,
further
needed
establish
concentrations
be
safe
clinical
trials.
Tribology Transactions,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 14
Published: March 24, 2025
Titanium
carbonitride
(TiCN)
is
well-known
as
a
popular
hard
coating
in
various
applications
due
to
its
mechanical,
wear,
and
corrosion
resistance
properties.
In
this
study,
TiCN
coatings
were
applied
the
NiTi
substrate
through
physical
vapor
deposition
(PVD)
using
two
types
of
targets.
A
desired
(TCN1
sample)
was
relatively
achieved
by
Ti-Al
target.
However,
non-stoichiometric
(TCN2
obtained
Ti
The
influence
target
studied
on
composition,
microstructure,
adhesion
strength,
porosity,
also
wear
behaviour.
With
regard
their
properties
(porosity
defects),
TCN2
showed
more
uniform
with
an
adequate
compared
TCN1.
Wear
improved
both
coatings,
however,
presented
deposited
sample
possesses
thinner
track,
lower
friction
coefficient,
smoother
surface
oxidation
comparison
TCN1
after
test.
Abrasion,
oxidation,
ploughing
mechanisms
observed
substrate,
while
slight
change
feature
negligible
minor
adhesive
particles
detected
worn
sample.
Colloids and Surfaces B Biointerfaces,
Journal Year:
2025,
Volume and Issue:
253, P. 114717 - 114717
Published: April 22, 2025
Titanium
(Ti)
implants
are
widely
used
for
tooth
replacement
due
to
their
exceptional
mechanical
properties
and
high
biocompatibility.
However,
inherently
inert
surface
limits
osteogenic
potential
makes
them
prone
bacterial
colonization,
increasing
the
risk
of
biofilm
formation
implant-related
infections.
To
address
these
limitations,
modification
Ti
is
essential.
This
study
aimed
enhance
by
coating
it
with
polydopamine
(PDA)
further
doping
copper
calcium
ions.
TPDA
was
prepared
subsequently
fabricate
TPDA@Cu
TPDA@CuCa
samples.
Material
characterization
confirmed
that
exhibited
excellent
wettability
biocompatibility,
Cu2
+
Ca2+
being
continuously
stably
released
in
liquid
environments.
Additionally,
significantly
improved
protein
adsorption,
facilitating
favorable
cellular
interactions.
In
vitro
experiments
demonstrated
strong
antimicrobial
activity
against
Escherichia
coli
Staphylococcus
aureus,
enhanced
osteoblast
adhesion,
mineralization,
upregulated
gene
expression.
bifunctional
strategy
offers
a
promising
approach
enhancing
both
antibacterial
implants.
Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 13, 2024
This
study
investigates
the
application
of
DC
magnetron
sputtering
(MS)
technology
for
producing
TiN
and
ion-substituted
Ca-P
coatings
on
dental
implant
materials,
demonstrating
ultimate
tensile
strength
(UTS)
887
MPa,
a
modulus
elasticity
11.3
×
10
6
MPa.
The
influence
various
physical
vapor
deposition
(PVD-MS)
parameters—such
as
substrate
temperature,
post-heat
treatment,
duration,
discharge
power,
bias
voltage—on
characteristics
these
is
examined.
research
evaluates
advantages
limitations
PVD-MS
in
fabricating
coatings,
with
an
emphasis
their
impact
surface
topography
chemical
composition,
which
are
critical
factors
influencing
cellular
behavior.
reveals
that
while
HA
can
enhance
cell
adhesion,
they
may
also
exhibit
cytotoxic
effects,
potentially
limiting
growth.
It
compares
osteogenic
proliferation
rates
between
low-crystalline
highly
crystalline
variants
Ti-based
substrates,
highlighting
significant
performance
disparities.
Additionally,
demonstrates
robust
adhesion
capabilities
facilitates
incorporation
therapeutic
ions,
effectively
replicating
bioapatite
properties.
addition
coating
promotes
additional
strengthening
mechanisms
layers,
leading
to
improved
wear
resistance
compared
alloyed
substrate.
Estimated
values
hardness
range
7.2
8.4
GPa,
Young's
modulus,
from
126
162
GPa.
highlights
potential
creating
nanostructured
biodegradable
metals,
alloys,
polymeric
biomaterials.
improves
corrosion
resistance,
biocompatibility,
stability,
overall
biomedical
applications.
ACS Biomaterials Science & Engineering,
Journal Year:
2024,
Volume and Issue:
11(1), P. 67 - 94
Published: Dec. 2, 2024
Tooth
loss
is
a
prevalent
problem
faced
by
individuals
of
all
ages
across
the
globe.
Various
biomaterials,
such
as
metals,
bioceramics,
polymers,
composites
ceramics
and
etc.,
have
been
used
for
manufacturing
dental
implants.
The
success
implant
primarily
depends
on
its
osseointegration
rate.
current
surface
modification
techniques
fail
to
imbibe
basics
tooth
development,
which
can
impart
better
mineralization
osseointegration.
This
be
improved
developing
an
understanding
developmental
pathways
tissue.
Stimulating
correct
signaling
through
inductive
material
systems
bring
about
paradigm
shift
in
materials.
review
focuses
pathway
process
that
happen
during
formation
how
modifications
help
biomimetic
mineralization,
thereby
enhancing
We
further
describe
effect
osteoinduction,
osseointegration;
both
vitro
vivo.
will
us
understand
natural
teeth
development
properties
implants
mimic
turn
increasing
