Brazilian Dental Science,
Journal Year:
2023,
Volume and Issue:
26(4), P. e3959 - e3959
Published: Jan. 1, 2023
Objective:
to
evaluate
the
effect
of
material
type
and
veneer
thickness
on
final
color
shear
bond
strength
PEEK
bilayered
restorations.
Material
Methods:
sixty-four
square-shaped
core
specimens
(7×7×2),
were
fabricated
by
CAD/CAM
technology
from
two
high-strength
polymers,
BioHPP
(High-Performance
Polymer,
group
B
n=32),
Pekkton®
ivory
(PolyEtherKetoneKetone,
P
n=32)
then
veneered
with
resin
composite
(crea.lign
dentin
A3).
Specimens
each
divided
(n=16)
according
layer
(0.5
&
1
mm),
test
applied
(n=8),
either
deltaE
or
(SBS).
Specimen
surfaces
treated
manufacturer’s
instructions.
instructions.The
mode
failure
was
evaluated
under
a
stereomicroscope
at
40
x
magnification
after
test.
Results:
data
showed
parametric
distribution
variance
homogeneity
analyzed
using
two-way
ANOVA.
The
significance
level
set
p<0.05
for
all
tests.
Statistical
analysis
performed
R
statistical
software
version
4.3.1.Results
ANOVA
that
types
thicknesses
had
an
individual
significant
change.
For
strength,
only
sample
(1mm)
(p=0.033).
majority
samples
in
different
groups
presented
mixed
differences
being
not
statistically
(p>0.05).
Conclusion:
can
significantly
affect
esthetic
outcome
restoration.
KEYWORDS
Composite
resins;
Polymers;
Polyetheretherketone;
Polyetherketoneketone;
Shear
strength.
Dental Materials Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
The
purpose
of
this
study
is
to
investigate
the
effects
surface
treatment
methods
using
polyetheretherketone
(PEEK)
(with
or
without
a
functional
monomer-containing
primer
following
with
alumina
blasting
concentrated
sulfuric
acid)
on
shear
bond
strength
(SBS)
resin
luting
material
after
artificial
aging.
PEEK
specimens
were
classified
into
five
groups
according
their
methods:
untreated,
(AB),
acid
(SA),
blasting+primer
(ABP),
and
SA+primer
(SAP).
SBS
score
each
group
was
determined
experimentally
universal
testing
machine.
tests
revealed
that
initial
strengths
ABP
SAP
significantly
higher
than
those
AB
SA.
In
addition,
both
20,000
thermal
cycles
remained
high
(>15
MPa).
These
results
suggest
are
best
predictive
for
evaluating
cement.
Macromolecular Materials and Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 4, 2025
Abstract
The
additive
manufacturing
technology
known
as
selective‐laser‐sintering
is
available
for
the
poly‐aryl‐ether‐ketone
(PAEK)
family
of
high‐strength
polymers,
enabling
rapid
production
personalized
dental
and
mandibular
reconstructions
at
or
near
point‐of‐care.
PAEK
segmental
replacements,
bridges,
abutments
are
transitioning
to
clinical
use.
There
remains
a
need
improved
adhesion
between
polymers
adhesives
including
composite
resin
cements.
Without
surface
modification,
there
weak
bond
especially
when
polymer
smooth.
Plasma‐immersion‐ion‐implantation
(PIII)
applied
demonstrate
significant
increase
in
strength
Polyether–ether–ketone
(PEEK)
Poly–ether–ketone
(PEK)
commonly
used
cement,
multiple
levels
interface
roughness.
A
validated
predictive
model
function
roughness
expressed
area
ratio
presented
that
demonstrates
relative
effect
PIII
mechanical
interlocking.
results
show
achieved
using
retained
even
primer
step
omitted,
an
important
advance
has
been
associated
with
hydrolysis‐induced
weakening.
long‐term
water
immersion
test
shows
PIII‐assisted
primer‐free
retains
its
while
all
primer‐assisted
bonds
weakened.
BMC Oral Health,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: April 12, 2024
Abstract
Background
This
study
evaluated
the
shear
bond
strength
(SBS)
of
two
different
polyetheretherketone
(PEEK)
and
CAD-CAM
materials
after
aging.
Methods
A
total
42
frameworks
were
designed
milled
from
2
PEEK
discs
(Copra
Peek,
P
BioHPP,
B).
B
divided
into
3
subgroups
(
n
=
7).
14
slices
prepared
each
feldspathic
ceramic
(Vitablocs
Mark
II,
VM),
hybrid
nanoceramic
(Cerasmart,
CS),
polymer-infiltrated
(Vita
Enamic,
VE)
blocks.
After
surface
preparations,
cemented
to
surfaces.
The
samples
subjected
thermal
aging
(5000
cycles).
SBS
all
was
measured.
Fractured
surfaces
examined
by
SEM/EDX
analysis.
Shapiro–Wilk,
Two-way
Robust
ANOVA
Bonferroni
correction
tests
used
analyze
data
(a
.05).
Results
Frameworks,
ceramics,
x
ceramics
had
significant
differences
p
<
0.05).
highest
value
seen
in
B-VM
VM
offered
with
both
B.
between
P-VM,
P-CS,
P-VE
B-CS
B-VE
insignificant
>
According
EDX
analysis,
ytterbium
fluorine
content,
unlike
P.
While
CS
contained
fluorine,
barium,
aluminum;
sodium
aluminum
observed
VE
structure.
Conclusion
Bonding
offers
higher
SBS.
VM,
did
not
make
any
difference
for
P,
however
showed
a
Polymers,
Journal Year:
2024,
Volume and Issue:
17(1), P. 80 - 80
Published: Dec. 31, 2024
Polyetheretherketone
(PEEK)
has
emerged
as
a
revolutionary
material
in
modern
dentistry
because
of
its
unique
combination
mechanical
strength,
biocompatibility,
and
versatility.
This
literature
review
examines
the
current
applications
future
potential
PEEK
various
dental
disciplines.
PEEK’s
favorable
properties,
including
low
specific
weight,
high
strength-to-weight
ratio,
ability
to
be
easily
machined,
have
led
adoption
prosthetics,
implantology,
esthetic
restorations.
shown
promise
for
fabricating
crowns,
bridges,
removable
partial
denture
frameworks,
implant
components.
radiolucency
bone-like
elastic
modulus
make
it
particularly
suitable
implants
abutments.
Additionally,
resistance
degradation
compatibility
with
surface
treatments
enhances
long-term
performance
oral
environment.
While
challenges
such
bonding
other
materials
aesthetic
limitations
exist,
ongoing
research
is
addressing
these
issues
through
modifications
composite
formulations.
As
field
continues
evolve,
adaptability
biocompatibility
position
key
player
development
next-generation
techniques,
potentially
transforming
patient
care
treatment
outcomes
dentistry.
Photodiagnosis and Photodynamic Therapy,
Journal Year:
2024,
Volume and Issue:
47, P. 104076 - 104076
Published: April 4, 2024
Impact
of
different
post-space
disinfectants
(Saline,
Sodium
hypochlorite
(NaOCl)
followed
by
ethylene-diamine-tetra-acetic
acid
(EDTA)
and
curcumin
activated
microbubble
emulsion
(MBE)
on
the
Vickers
hardness
(VH)
root
canal
dentin
extrusion
bond
strength
(EBS)
Glass
fiber
post
(GFP)
PEEK
post.
Dental Materials Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
This
study
investigated
the
adhesion
of
4META-MMA-TBB
resin
to
CAD/CAM
composite
blocks.
blocks
were
subjected
alumina
blasting,
ceramic
primer
treatment,
or
both,
and
then
bonded
with
resin.
The
tensile
bond
strength
without
surface
treatment
was
approximately
20
MPa,
but
it
significantly
improved
40
MPa.
Cohesive
failure
observed
in
some
both
blasting
primer.
As
a
result
Soxhlet
extraction
adhesive
interface
acetone
solvent
FT-IR
spectrum
analysis,
found
that
PMMA
remained
on
block
when
performed.
These
results
demonstrated
is
are
applied
as
pretreatment
block.
Photobiomodulation Photomedicine and Laser Surgery,
Journal Year:
2023,
Volume and Issue:
41(10), P. 576 - 582
Published: Oct. 1, 2023
Objective:
Assessment
of
post
surface
conditioners
[sulfuric
acid
(SA),
Rose
Bengal
(RB),
and
sandblasting
(SB)]
different
luting
cements
[methyl
methacrylate
(MMA)-based
cement
composite-based
cement]
on
pushout
bond
strength
(PBS)
poly-ether
ether-ketone
(PEEK)
bonded
to
canal
dentin.
Materials
methods:
Endodontic
treatment
was
performed
120
single-rooted
human
premolar
teeth.
The
preparation
the
space
4
mm
gutta-percha
retained
in
apical
region
root.
One
hundred
twenty
PEEK
posts
were
fabricated
from
a
blank
utilizing
Computer
aided
design-Computer
manufacture
(CAD-CAM)
system.
allocated
randomly
into
four
groups
based
conditioning
(n
=
30).
Group
A:
SA,
B:
RB,
C:
SB,
D:
No
(NC).
Each
group
further
divided
two
subgroups
used
for
bonding
15).
A1,
B1,
C1,
D1
specimens
cemented
using
resin
cement.
However,
A2,
B2,
C2,
D2
luted
with
MMA-based
PBS
assessment
universal
testing
machine
performed.
Failure
modes
analyzed
under
stereomicroscope.
data
relating
effects
types
one-way
analysis
variance
(ANOVA)
Tukey's
hoc
test
(p
0.05).
Results:
Coronal
section
B2:
RB+Super-Bond
C&B
[9.61
±
0.75
megapascals
(MPa)]
displayed
highest
scores
after
root
Whereas
it
also
discovered
that
D1:
NC+Panavia®V5
(2.05
0.72
MPa)
presented
lowest
scores.
Intergroup
comparison
revealed
A2:
SA+Super-Bond
no
significant
difference
their
Conclusions:
RB
SA
possess
potential
be
as
conditioner.
better
performance
than
