Polymers,
Год журнала:
2022,
Номер
14(7), С. 1392 - 1392
Опубликована: Март 29, 2022
Predictable
outcomes
intended
by
the
application
of
PRF
(platelet-rich
fibrin)
derivative
membranes
have
created
a
lack
consideration
for
their
consistency
and
functional
integrity.
This
study
aimed
to
compare
mechanical
properties
through
tensile
strength
analyze
structural
organization
among
produced
L-PRF
(leukocyte
platelet-rich
fibrin),
A-PRF
(advanced
A-PRF+
fibrin
plus)
(original
protocols)
that
varied
in
centrifugation
speed
time.
(n
=
12),
19),
13)
were
submitted
traction
test,
evaluating
maximum
average
traction.
For
traction,
0.0020,
0.0022,
0.0010
N·mm−2
obtained
A-PRF,
A-PRF+,
L-PRF,
respectively;
regarding
resistance
0.0012,
0.0015,
0.006
obtained,
respectively
(A-PRF+
>
L-PRF).
all
groups
studied,
significant
results
found.
In
surface
morphology
observations
SEM,
matrix
showed
highly
compact
with
thick
fibers
present
within
interfibrous
areas
apparent
destruction
red
blood
cells
leukocytes.
The
protocol
dense
composed
thin
elongated
seemed
follow
preferential
orientated
direction
which
platelets
well-adhered.
Porosity
was
also
evident
large
diameter
spaces
whereas
most
porous
platelet
concentrate
greatest
fiber
abundance
cell
preservation.
Thus,
this
concluded
higher
results,
indicating
better
viscoelastic
when
stretched
two
opposing
forces.
Frontiers in Bioengineering and Biotechnology,
Год журнала:
2024,
Номер
12
Опубликована: Апрель 16, 2024
Platelet-rich
fibrin,
a
classical
autologous-derived
bioactive
material,
consists
of
fibrin
scaffold
and
its
internal
loading
growth
factors,
platelets,
leukocytes,
with
the
gradual
degradation
slow
release
physiological
doses
factors.
PRF
promotes
vascular
regeneration,
proliferation
migration
osteoblast-related
cells
such
as
mesenchymal
cells,
osteoblasts,
osteoclasts
while
having
certain
immunomodulatory
anti-bacterial
effects.
has
excellent
osteogenic
potential
been
widely
used
in
field
bone
tissue
engineering
dentistry.
However,
there
are
still
some
limitations
PRF,
improvement
biological
properties
is
one
most
important
issues
to
be
solved.
Therefore,
it
often
combined
scaffolds
enhance
mechanical
delay
degradation.
In
this
paper,
we
present
systematic
review
development
platelet-rich
derivatives,
structure
mechanisms,
applications,
optimization
broaden
their
clinical
applications
provide
guidance
for
translation.
Journal of Periodontology,
Год журнала:
2022,
Номер
93(12), С. 1803 - 1826
Опубликована: Окт. 24, 2022
Abstract
Background
A
large
variety
of
biomaterials,
biologics
and
membranes
have
been
utilized
in
the
past
40
years
for
regenerative
treatment
periodontal
infrabony
defects.
Biologic
agents
progressively
gained
popularity
among
clinicians
are
routinely
used
regeneration.
In
alignment
with
goals
American
Academy
Periodontology
(AAP)
Best
Evidence
Consensus
(BEC)
on
use
biologic
mediators
contemporary
clinical
practice,
aim
this
sytematic
review
was
to
evaluate
effect
agents,
specifically
autogenous
blood‐dervied
products
(ABPs),
enamel
matrix
derivative
(EMD)
recombinant
human
platelet‐derived
growth
factor‐BB
(rhPDGF‐BB),
outcomes
Methods
detailed
systematic
search
conducted
identify
eligible
randomized
control
trials
(RCTs)
reporting
therapy
using
frequentist
mixed‐modeling
approach
network
meta‐analysis
(NMA),
characterized
by
assessment
three
individual
components
an
defect
(the
bone
graft
material
[BG],
agent,
application
a
barrier
membrane)
performed
compare
relative
efficacy
different
components,
therapeutic
modalities
Results
total
153
RCTs
were
included,
150
studies
contributing
NMA.
The
quantitative
analysis
showed
that
addition
significantly
improves
radiographic
outcomes,
as
compared
BG
flap
procedures
alone.
Barrier
enhanced
but
did
not
provide
further
benefits
combination
biologics.
type
(autogenous,
allogeneic,
xenogeneic
or
alloplastic)
agent
(EMD,
platelet‐rich
fibrin
[PRF],
plasma
[PRP]
rhPDGF‐BB)
played
significant
role
final
Allogeneic
BGs
exhibited
statistically
superior
gain
than
synthetic
(p
<
0.05
all
comparisons),
while
rhPDGF‐BB
PRF
demonstrated
higher
stability
gingival
margin
0.01)
fill/gain
0.05),
together
greater,
although
significant,
attachment
level
pocket
depth
reduction,
EMD
PRP.
Overall,
largest
size
most
parameters,
including
gain,
less
recession
linear
gain.
Considering
relatively
high
number
presenting
unclear
risk
bias,
strength
recommendation
supporting
PRP
judged
weak,
EMD,
deemed
favor.
Conclusions
Biologics
enhance
therapy.
Combination
therapies
involving
+
membrane
be
monotherapies.
choice
seems
impact
Frontiers in Dental Medicine,
Год журнала:
2022,
Номер
3
Опубликована: Март 2, 2022
Periodontitis
is
a
widespread
inflammatory
disease
that
leads
to
loss
of
the
tooth
supporting
periodontal
tissues.
The
few
therapies
available
regenerate
tissues
have
high
costs
and
inherent
limitations,
inspiring
development
new
approaches.
Studies
shown
an
capacity
for
regeneration,
driven
by
multipotent
cells
residing
in
ligament
(PDL).
purpose
this
review
describe
current
understanding
mechanisms
driving
wound
healing
regeneration
can
inform
treatment
biologic
basis
underlying
established
such
as
guided
tissue
(GTR)
growth
factor
delivery
are
reviewed,
along
with
examples
biomaterials
been
engineered
improve
effectiveness
these
Emerging
those
targeting
Wnt
signaling,
cell
or
recruitment,
scaffolds
described
context
healing,
using
key
vivo
studies
illustrate
impact
approaches
on
formation
cementum,
alveolar
bone,
PDL.
Finally,
design
principles
engineering
suggested
which
build
knowledge
regeneration.
Periodontology 2000,
Год журнала:
2023,
Номер
93(1), С. 254 - 269
Опубликована: Окт. 1, 2023
Abstract
In
the
past
decades,
personalized
regenerative
medicine
has
gained
increased
attention.
Autologous
platelet
concentrates
(APCs)
such
as
PRP,
PRGF,
and
L‐PRF,
all
serving
a
source
of
large
variety
cells
growth
factors
that
participate
in
hard
soft
tissue
healing
regeneration,
could
play
significant
role
periodontal
procedures.
This
narrative
review
evaluated
relative
impact
APCs
alveolar
ridge
preservation,
sinus
floor
augmentation,
regeneration
bony
craters
around
teeth,
both
single
substitute
or
combination
with
xenograft.
L‐PRF
beneficial
effect
on
preservation
(<alveolar
bone
resorption,
>bone
quality).
The
data
for
PRGF
are
less
convincing,
PRP
is
controversial.
can
successfully
be
used
during
transcrestal
(≥3.5
mm
gain)
well
1‐stage
lateral
window
elevation
(>5
gain).
For
especially
very
scarce.
treatment
open
flap
debridement,
showed
adjunctive
benefits
(e.g.,
>PPD
reduction,
>CAL
gain,
>crater
depth
reduction).
were
non‐conclusive.
Adding
to
xenograft
OFD
resulted
additional
improvements
(>PPD
fill),
no
found.
demonstrated
enhance
most
convincing.
also
advantage
greater
simplicity
production,
its
100%
autologous
character.
Journal of Functional Biomaterials,
Год журнала:
2023,
Номер
14(6), С. 290 - 290
Опубликована: Май 24, 2023
Bioactive
nanomaterials
are
increasingly
being
applied
in
oral
health
research.
Specifically,
they
have
shown
great
potential
for
periodontal
tissue
regeneration
and
substantially
improved
translational
clinical
applications.
However,
their
limitations
side
effects
still
need
to
be
explored
elucidated.
This
article
aims
review
the
recent
advancements
discuss
future
research
directions
this
field,
especially
focusing
on
using
improve
health.
The
biomimetic
physiochemical
properties
of
such
as
metals
polymer
composites
described
detail,
including
alveolar
bone,
ligament,
cementum
gingiva.
Finally,
biomedical
safety
issues
application
regenerative
materials
updated,
with
a
discussion
about
complications
perspectives.
Although
applications
bioactive
cavity
at
an
initial
stage,
pose
numerous
challenges,
suggests
that
promising
alternative
regeneration.
Odontology,
Год журнала:
2024,
Номер
112(4), С. 1047 - 1068
Опубликована: Май 21, 2024
Abstract
One
of
the
most
promising
approaches
to
correct
periodontal
bone
defects
and
achieve
regeneration
is
platelet-rich
fibrin
(PRF).
This
systematic
review
meta-analysis
aimed
evaluate
using
PRF
compared
other
regenerative
treatments.
The
data
search
retrieval
process
followed
PRISMA
guidelines.
An
electronic
MEDLINE,
Cochrane,
PubMed
databases
was
performed,
selecting
exclusively
randomized
clinical
trials
where
following
were
measured:
probing
depth
reduction
(PD),
attachment
level
gain
(CAL),
radiographic
fill
(RBF).
Out
284
selected
articles,
32
chosen
based
on
inclusion
criteria.
use
(PRF)
+
open
flap
debridement
(OFD),
metformin,
plasma
(PRP),
OFD/bone
graft
(BG)
significantly
reduced
PD
improved
CAL
RBF.
However,
combination
BG,
STATINS
CAL.
intervention
combined
with
different
treatments
such
as
OFD,
PRP,
has
a
significant
impact
improving
International Journal of Dentistry,
Год журнала:
2025,
Номер
2025(1)
Опубликована: Янв. 1, 2025
Aim:
Noncontained
(1‐
or
combined
1‐
to
2‐wall)
periodontal
intraosseous
defects
represent
challenging
clinical
situations
with
unpredictable
surgical
therapeutic
outcomes.
This
randomized
trial
assessed
demineralized
freeze‐dried
bone
allograft
(DFDBA)
low
speed‐platelet‐rich
fibrin
(PRF)
membrane
compared
DFDBA
collagen
(CM)
in
the
therapy
of
noncontained
stage
III
periodontitis
patients.
Methodology:
Twenty‐two
patients
measuring
≥3
mm
and
attachment
loss
≥5
were
randomly
allocated
into
two
groups:
test
group
(low‐speed
PRF
+
DFDBA)
control
(CM
DFDBA),
11
participants
per
group.
Clinical
radiographic
assessments
conducted
at
baseline,
3,
6,
9,
12
months
for
level
(CAL;
primary
outcome),
gingival
recession
depth
(GRD),
probing
(PD),
full
mouth
bleeding
score
(FMBS)
plaque
(FMPS),
fill
linear
defect
(RLDD;
all
secondary
outcomes).
Results:
The
mean
(±SD)
CAL‐gain
was
2.45
(±1.51),
2.91
(±1.70),
(±1.87),
2.82
(±1.83)
mm,
while
(±1.25),
3.27
(±1.27),
3.00
(±1.41),
2.64
(±1.50)
months,
respectively,
no
significant
intergroup
differences
(
p
>
0.05).
Despite
absence
differences,
both
groups
demonstrated
intragroup
improvement
CAL‐
PD‐gain,
RLDD‐reduction
as
well
RLDD
<
Conclusion:
membranes,
conjunction
DFDBA,
show
parameters,
comparable
CMs
DFDBA.
Trial
Registration:
ClinicalTrials.gov
identifier:
NCT03922503