Table 3 Flexural strength values and study settings for included studies.

From: Systematic review and meta analysis of mechanical properties of 3D printed denture bases compared to milled and conventional materials

Study

Groups

Resin brand

Printing parameters

Flexural Strength (dry) (MPa)

Mean ± SD

Layer thickness

Building angle

Printing technique

Mean

SD

26

Heat-polymerized

Vertex

100 μm

45°

 

99

16.53

Milled DBRs

AvaDent

120.49

13.07

Milled DBRs

Polident

119.59

6.25

3D-printed DBRs

Harz

DLP

28.82

1.94

3D-printed DBRs

NextDent

 

61.63

2.32

Polyamide

AvaDent

 

33.28

0.79

29

aHeat cured

ProBase® Hot (Ivoclar Vivadent AG)

   

91.94

8

Cold cured

ProBase® Cold (Ivoclar Vivadent AG)

   

117.25

1.92

Milled

Ivoclar Vivadent AG

   

103.8

0.96

3D-printed FDM

Material4print

 

x

FDM

65.35

10.25

3D-printed FDM

 

y

FDM

34.92

8.33

3D-printed FDM

 

z

FDM

23.39

0.68

3D-printed SLA

Formlabs Inc.

 

x

SLA

53.5

0.96

3D-printed SLA

 

y

SLA

61.83

0.64

3D-printed SLA

 

z

SLA

61.19

2.24

3D-printed SLA

 

x

SLA

89.38

8.65

3D-printed SLA

 

y

SLA

70.48

4.81

3D-printed SLA

 

z

SLA

91.3

7.37

30

Heatpolymerized

Major.Base.20

 

90°

 

86.86

3.1

Milled

AvaDent,

  

93.95

2.9

Milled

Ivo CAD

  

87.05

1.5

3Dprinted

FormLabs

 

SLA

70.14

2.8

3Dprinted

NextDent

 

DLP

68.24

1.3

Heatpolymerized

Major.Base.20

  

82.07

2.7

Milled

AvaDent,

  

92.43

2.6

Milled

Ivo CAD

  

83.59

3.7

3Dprinted

FormLabs

 

SLA

69.82

3.8

3Dprinted

NextDent

 

DLP

66.7

1.9

Heat polymerized

Major.Base.20

  

72.67

1.7

Milled

AvaDent,

  

92.87

1.6

Milled

Ivo CAD

  

82.15

2.8

3Dprinted

FormLabs

 

SLA

67.39

2.4

3Dprinted

NextDent

 

DLP

66.26

1.6

Heat polymerized

Major.Base.20

  

67.4

2.2

Milled

AvaDent,

  

84.09

2.6

Milled

Ivo CAD

  

70.42

2.1

3Dprinted

FormLabs

 

SLA

  

3Dprinted

NextDent

 

DLP

 

31

3Dprinted

Lucitone

50 μm

90°

 

128.55

10.3

3Dprinted

Formlabs

 

122.52

13.66

3Dprinted

Dentca

 

108.12

2.17

Milled

AvaDent

 

146

12.53

Milled

Lucitone 199

 

125.51

14.84

Milled

Keystone

 

140.44

4.26

32

3Dprinted

Asiga

100 μm

horizontal orientation

 

112.7

4.54

Milled

Ivotion

 

130.08

7.73

Thermopressing

Polyan IC

 

152.96

27

Injection molding

SR-Ivocap

 

131.28

22.21

33

Heatpolymerized

Classic resin

50 μm

45°

 

104.19

2.47

Milled

BlueDent

 

100.61

2.2

3Dprinted

SmartDent

 

104.74

1.92

35

Conventional

(medium pink color, Onda Cryl, Clássico)

   

73.12

4.57

Microwave

(medium pink color, Onda Cryl, Clássico)

 

76.41

6.01

Milled

(medium pink color, BlueDent, Articon)

 

78.38

3.99

3D-printed

SmartDent

SLA + DLP

87.7

3.61

36

Milled

Ivotion

100 μm

horizontal

 

77.01

1.72

Heat polymerized

Lucitone 199

 

96.36

2.43

3D-printed vat DLP

Denture Base II

DLP

97.03

4.87

3D-printed vat DLP

High Impact Denture Base

DLP

102.4

3.15

3D-printed vat CLIP

Lucitone Digital Print

CLIP

82.36

1.68

3D printed vat Material jetting

TrueDent Resin

Material jetting

101.76

7.65

37

Milled

G-CAM

?

horizontal

 

95.95

10.8

Milled

Ivotion

 

86.66

6.03

3D-printed resin

Denturetec

DLP

61.77

11.28

38

Heatpolymerized

Ruthinium-Dental

?

0°

 

89.15

14.31

Cold-Cured

Ruthinium-Dental

 

86.07

7.09

Cold-Cured

Ruthinium-Dental

 

74.83

7.84

Heatpolymerized

Ruthinium-Dental

 

85.58

8.6

Heatpolymerized

Ruthinium-Dental

 

92.39

17.18

Heatpolymerized

Ruthinium-Dental

 

98.86

10.66

Milled

Ivoclar vivadent, Schaan,

Liechtenstein

 

91.88

4.43

Milled

GC

 

107.87

7.56

3D-printed PMMA

NextDent

DLP

60.11

5.72

3D-printed PMMA

SprintRay

DLP

54.07

3.55

3D-printed PMMA

NextDent

DLP

83.32

8.38

3D-printed PMMA

SprintRay

DLP

85.44

5.3

41

Milling

(M-PM; Merz Dental GmbH)

   

112.97

3.38

3d printing

Formlabs

   

57.69

5.96

42

CAD-CAM

AvaDent

50

90

 

114.96

16.23

3D printing

Cosmos

 

57.23

9.07

microwave

Vipi Wave

 

108.09

11.75

conventional heat polymerizing

Lucitone 199

 

108.94

9.14

43

heat polymerizing

Major.Base.20

50

90

 

86.63

1

3D-printed

(NextDent)

69.15

0.88

7

3d printing

Ivocap

   

95.28

5.59

milling

Vipi Block

Gum

 

93.01

6.27

conventional

THD

 

119.11

9.29

45

heat cure

Meliodent

   

97.06

6.25

Thermosens

Vertex

62.57

5.69

CAD pink V

Ivobase

79.06

4.65

CAD pink

Polident

96.27

5.81

CAD pink U

Anaxdent

83.31

3.21

CAD-CAM denture base material,

Freeprint denture

 

103.33

16.71

CAD-CAM denture base material,

additive manufacturing

Imprimo LC denture

 

69.75

7.63

Lucitone 199

Dentsply Sirona

 

66.27

4.02

46

IvoBase CAD

Ivoclar AG

 

89.59

0.82

Dentsply Sirona

Lucitone 199

 

102.3

1.03

Argen DS HI-Base

Argen Corp

 

91.37

4.35

Detax Freeprint Denture

Detax GmbH & Co

 

68.48

5.17

Asiga DentaBase

Asiga

 

70.83

3.96

Dreve Fotodent Denture

Dreve Dentamid GmbH

 

80.42

1.38

47

Lucitone 199

Lucitone 199

   

73.8

4.4

Lucitone Digital Fit

Lucitone Digital Fit

 

98.9

3.5

Ivotion Base

Ivotion Base

 

83.1

1.4

Lucitone Digital Print

Lucitone Digital Print

 

83.6

2.9

Flexcera Base

Flexcera Base

 

78.9

1.6

FotoDent Dentures

FotoDent Dentures

 

70.8

5.7

2

Heat-polymerized

Major.Base.20,

50

90

 

82.7

1.6

AvaDent

AvaDent denture base puck

 

94.5

2.2

IvoCad

IvoBase CAD

 

87.6

1.1

ASIGA

ASIGA

DLP

70.1

0.8

FormLabs

FormLabs

SLA

69.1

1.5

NextDent

Denture 3D+

SLA

67.7

1.2

4

M (meliodent)

NextDent, Dentona and ASIGA

   

92.44

7.91

3D Dentona

Dentona

50 μm

  

81.33

5.88

3D Asiga

ASIGA

 

79.33

6.07

3D Next Dent

Next Dent

 

74.89

8.44

13

3D printed 120

ASIGA

50 μm

120°

DLP

35.881

3.72

3D printed 135

135°

DLP

42.734

4.44

Milled

IvoBase

  

70.263

7.21

50

3D printed

V-Print

50 μm

  

123.8

18.33

3D printed

NextDent

  

114.5

10.17

Heat-cured

Probase Hot

  

107.7

27.7

Heat-cured

Villacryl Rapid

  

101.8

29.08

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