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Table 4 The table shows the comparison study of plaster casts, digital models and 3D printed copies based on the various criteria

From: Possibility of reconstruction of dental plaster cast from 3D digital study models

  

Plaster model

Digital model

Printed model (RepRap)

Printed model (ProJet D3000)

Digital model + Printed model (RepRap)

Prices

Price of one model

order of 1 EUR

0 EUR

order of 1 EUR

order of 10 EUR

order of 1 EUR

 

Price of equipment

-

order of 10 000 EUR

order of 10 EUR

order of 10 000 EUR

order of 10 EUR

 

Price of material

-

-

order of 10 EUR/kg

order of 10 EUR/kg

order of 10 EUR/kg

Properties

Color

any color

any color

blue

pale yellow

blue

 

Transparency

no

yes/no

no

yes

no

 

Weight model

heavy

none

light

light

light

  

70 g

 

20 g

40 g

 
 

Liable to damage

high

none

low

low

low

 

Stable material

yes

-

yes

yes

yes

 

Heat resistance

high

-

low

low

low

 

Harmless material

yes

-

yes

yes

yes

Other

Reproducibility

no

yes

no

no

yes

 

Pose storage problem

yes

no

yes

yes

no

 

Access and transfer problem

yes

no

yes

yes

no

 

Retrieval problem

yes

no

yes

yes

no