Properties and Behavior of Additively Manufactured Provisional Fixed Dental Prostheses: A Systematic Review on 3D Printing Orientations Relative to Applied Materials and Postprocessing
Journal of Esthetic and Restorative Dentistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 19, 2025
ABSTRACT
Objectives
This
systematic
review
aimed
to
assess
the
influence
of
printing
orientations
alone
and
with
other
parameters,
such
as
applied
material
postprocessing,
on
physical‐mechanical
properties
mechanical
behavior
provisional
fixed
dental
prostheses
(FDPs).
Materials
Methods
A
comprehensive
search
websites
PubMed,
Scopus,
Web
Science,
Cochrane
was
conducted
in
July
2024.
Adhering
PRISMA
2020
guidelines,
studies
that
investigated
impact
physical
were
included
this
review.
The
modified
CONSORT
statement
utilized
for
risk
bias
assessment.
total
24
records
included;
main
build‐up
angles
horizontal,
oblique,
vertical
(0°,
45°,
90°),
30°
150°
also
reported.
data
focused
orientation
3D‐printed
products
from
different
materials,
applying
various
postcuring
times
artificial
aging.
Horizontally
printed
specimens
exhibited
significantly
superior
compared
angles,
while
vertically
displayed
lowest
results.
Additionally,
type,
amount,
type
fillers
had
most
substantial
impacts;
zirconia
showed
more
enhanced
strength
silica
fillers,
time
up
120
min.
Optical
related
materials
technology
than
directions.
Polishing
enhances
surface
quality
removes
differences
orientations.
Resin
a
high
susceptibility
staining,
irrespective
orientation.
Furthermore,
aging
influenced
properties,
gloss,
specimens.
Conclusions
To
achieve
high‐quality
FDPs,
it
is
essential
select
horizontal
Careful
selection
necessary,
well
adherence
optimal
parameters.
resin
may
not
yet
be
suitable
permanent
rehabilitation;
however,
appropriate
short‐
long‐term
temporization.
Clinical
Significance
production
parts
shifting
additive
manufacturing;
crucial
understand
parameters
parts,
particularly
restorations,
ensure
their
durable
clinical
service.
Язык: Английский
Physicochemical Properties and Bacterial Adhesion of Conventional and 3D Printed Complete Denture PMMA Materials: An In Vitro Study – Part I
The Journal of Contemporary Dental Practice,
Год журнала:
2025,
Номер
25(11), С. 1001 - 1008
Опубликована: Янв. 27, 2025
To
evaluate
and
compare
the
surface
morphology,
wettability,
roughness,
bacterial
adhesion
properties
of
polymethyl
methacrylate
(PMMA)
materials
fabricated
by
conventional
methods
3D
printing
for
complete
denture
applications.
Two
PMMA
were
investigated:
Conventionally
processed
(ProBase
Hot)
3D-printed
(3DP)
(V-Print
Dentbase).
Surface
morphology
(n
=
3)
was
analyzed
using
scanning
electron
microscopy
(SEM)
energy-dispersive
X-ray
spectroscopy
(EDX).
roughness
10)
measured
an
optical
profilometer.
Wettability
assessed
through
contact
angle
measurements
6)
at
10,
30,
60
seconds.
Bacterial
9)
biofilm
formation
evaluated
Escherichia
coli
(E.
coli)
as
a
model
organism,
with
quantitative
counts
SEM
analysis
morphology.
Data
statistically
analyzed.
Scanning
revealed
nanoparticles
on
3DP
samples,
while
EDX
detected
silicon
in
these
absent
PMMA.
surfaces
exhibited
significantly
lower
(1.05
±
0.32
µm)
compared
to
(20.46
6.71
(p
<
0.001).
Contact
showed
that
more
hydrophilic
(64-68°)
than
(100°)
0.05).
studies
demonstrated
adherent
bacteria
(92.5
30.8)
(57.6
12.5),
but
observed
only
surfaces.
distinct
characteristics
conventionally
PMMA,
including
presence
nanoparticles,
higher
hydrophilicity.
While
initial
adherence,
contrast,
they
appeared
inhibit
formation,
which
highlights
complex
nature
interactions
materials.
Further
clinical
are
needed
validate
results
this
investigation
generate
translational
data.
How
cite
article:
Khoury
P,
Kharouf
N,
Etienne
O,
et
al.
Physicochemical
Properties
Adhesion
Conventional
Printed
Complete
Denture
Materials:
An
In
Vitro
Study
-
Part
I.
J
Contemp
Dent
Pract
2024;25(11):1001-1008.
Язык: Английский
Dental Casts for Fixed Dental Prostheses Printed with SLA Technology: Influence of External Shell Thickness and Printing Orientation
Materials,
Год журнала:
2025,
Номер
18(10), С. 2246 - 2246
Опубликована: Май 12, 2025
Printed
cast
models
are
becoming
increasingly
important
in
prosthodontics.
The
aim
of
this
vitro
study
was
to
evaluate
the
influence
print
orientation
and
external
shell
thickness
on
accuracy
stereolithography
(SLA)
master
casts
for
fixed
dental
prostheses.
Seventy-two
maxillary
hollow
were
fabricated
from
a
standard
tessellation
language
(STL
0)
reference
file
containing
preparations.
divided
into
six
groups
(n
=
12
per
group)
according
internal
(2
mm
4
mm)
(0°,
10°,
20°).
Discrepancies
between
STL
0
files
printed
measured
using
root
mean
square
(RMS)
error.
Data
statistically
analyzed
one-way
Kruskal-Wallis
test
assess
trueness,
precision
evaluated
with
Levene
(α
0.05).
No
significant
differences
found
any
tested
conditions.
Print
did
not
overall
SLA
Язык: Английский
Impact of multi-stacking and resin type on dimensional stability of dentate casts
Journal of Dentistry,
Год журнала:
2025,
Номер
160, С. 105871 - 105871
Опубликована: Июнь 6, 2025
To
evaluate
the
effects
of
multi-stacking
and
resin
type
on
dimensional
stability
additively
manufactured
(AM)
dentate
casts.
A
master
maxillary
model
file
was
used
to
AM
casts
in
a
multi-stacked
manner,
consisting
four
layers
(L1-L4),
using
two
different
resins
(DentaMODEL
[DM]
KeyModel
Ultra
Ivory
[KM],
n
=
10).
Each
cast
digitized
one
day,
week,
weeks,
three
months
after
fabrication
(T0-T5).
The
scan
files
were
superimposed
over
(anterior,
posterior,
entire
arch)
root
mean
square
method.
Data
analyzed
with
generalized
linear
(α
0.05).
KM
had
their
highest
anterior
arch
deviations
when
printed
at
L4
(P
<
0.001).
DM
mostly
lower
than
across
tested
storage
durations
showed
T1
T2,
while
T0,
T3,
T4
≤
0.009).
Casts
T0
greater
L1
T3
T5,
regardless
0.044).
T5
0.027).
While
differences
due
stacking
minimal
clinically
negligible,
higher
stability.
All
remained
within
acceptable
limits
months.
Multi-stacking
during
printing
may
be
an
efficient
method
for
large-scale
plateless
diagnostic
orthodontic
use
months,
three-dimensional
printer
are
used.
Язык: Английский