Dentistry Resin (UniZ)

Uniz Technology

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Aimed at dental applications such as final dental models, orthodontic molds or plastic prostheses.

In the dental sector, 3D resin printing technology is increasingly present in the realization of tools, prototypes, molds or even final pieces such as splints. On this occasion, UniZ has the following resins for its SLASH 3D printers, developed specifically for the dental sector:

     zDental Model Sand

     zDental Model Gray V2

     zDental Clear Aligner

     zDental C&B A2/A3

     zDental Cast

     zDental Gingiva

     zDental IDB

     zDental Night Guard

     zDental Tray

The LED-LCD technology used by UniZ joins the other two technologies of 3D resin priniters already known, SLA and DLP. Its operation is similar to DLP, solidifying each layer in a single beam of light, but in the case of 3D LED-LCD printers, a set of LEDs with a wavelength of 405 nm illuminates an LCD screen that lets the beam pass through of light with the shape of the layer that is being manufactured.

zDental Model Sand

UniZ has developed this resin for its LED-LCD 3D printers and aimed at dental applications such as final dental models, orthodontic molds or plastic prostheses. The zDental Model Sand resin offers a balance between rigidity and tensile strength, high geometrical precision and a quality surface finish. Its surface finish is smooth, matt and with a color similar to plaster, which facilitates the clear visualization of the model during production. Thanks to all this and its low cost, the zDental Model Sand is one of the preferred dental resins of the producers of high precision dental models.

Quick manufacture with the zDental Model Sand

Image 1: Quick manufacture with the zDental Model Sand. Fuente: UniZ

zDental Model Gray V2

The resin zDental Model Gray V2 is a high accuracy dental resin specially formulated for dental applications such as conventional dental models, removable dies, clear orthodontic models or resin denture bases

Models made with the Dental Model Gray V2 resin

Image 2: Models made with the Dental Model Gray V2 resin. Fuente: UniZ

The Dental Model Gray V2 resin is characterized by high accuracy, great assembly performance, and a balance of rigidity and toughness.

zDental Clear Aligner

zDental Clear Aligner resin is a biocompatible material for the direct impression of clear aligners. It is completely transparent and meets the requirements for durability as an orthodontic treatment device.

Aligners printed with the zDental Clear Aligner resin

Image 3: Aligners printed with the zDental Clear Aligner resin. Source: UniZ

It has memory properties, is flexible and is strong enough to serve as a fully functional aligner.

zDental C&B A2/A3

The zDental C&B resin is a fast-paced resin used for crowns, bridges and veneers

Models 3D printed with the zDental C&B resin

Image 4: Models 3D printed with the zDental C&B resin. Source: UniZ

It provides high-precision, good balance between flexibility and strength, delivering high-quality results on fast-paced timelines.

zDental Cast

The zDental Cast resin was specially designed for creating metal crowns and inlays via lost wax casting.

Models 3D printed with the zDental Cast resin

Image 5: Models 3D printed with the zDental Cast resin. Source: UniZ

Prints created with the zDental resin are castable under high temperatures and, what's most important, leave no after burn residue.

zDental Gingiva

zDental Gingiva resin is formulated to imprint the gingival part of implant models, the tissue of the upper and lower jaw surrounding the base of the tooth. 

Models 3D printed with zDental Gingiva resin

Image 6: Models 3D printed with zDental Gingiva resin. Source: UniZ

zDental Gingiva resin is a flexible material available in pink that closely mimics the colour of real gingiva and produces lifelike 3D impressions.

zDental IDB

The zDental IDB dental resin from Uniz was designed to produce indirect bonding trays

Models 3D printed with zDental IDB resin

Image 7: Models 3D printed with zDental IDB resin. Source: UniZ

The zDental IDB resin has excellent precision and mechanical properties and works perfectly for the installation of orthodontic trays.

zDental Night Guard

The zDental Night Guard dental resin has the perfect balance of stiffness and hardness for the production of night guards

Models 3D printed with the transparent zDental Night Guard resin

Image 8: Models 3D printed with the transparent zDental Night Guard resin. Source: UniZ

The Night Guard resin is available in two colours: transparent and yellow.

zDental Tray

zDental Tray is made for dental impression trays and is characterised by high precision, fast printing speed and great mechanical properties.

Models 3D printed with zDental Tray resin

Image 9: Models 3D printed with zDental Tray resin. Source: UniZ

Impression trays are instruments used in dental clinics to make impressions on which the alginate will be placed to make the impressions.

Cleaning bottle

Image 10: Cleaning bottle. Source: UniZ

To complete the cycle, it is necessary to clean the circuit with the cleaning bottle with isopropyl alcohol inside.

Impact strength (KJ/m2) 1.857
Elongation at break (%) 51.5
Tensile strength (MPa) 42
Tensile modulus (MPa) 323
Flexural strength (MPa) 69
Flexural modulus (MPa) 1252
Surface hardness 8
Medical use Medical use
Hide color variations (Hide color variations)

Once an impression is finished, the piece should be removed from the base with the metal spatula that is included with the printer. Then the piece is immersed in IPA for 5-15 minutes to remove the uncured resin from the outer walls of the piece. After that time, pressurized air must be applied on the piece until it is completely dry. To achieve the maximum properties that the zABS resin can provide, it is necessary to cure the resin for 10 minutes in a curing center (Form Cure) having a wavelength of 405 nm.

Before removing parts from the manufacturing base, the user must be equipped with a series of safety measures. It is recommended the use of gloves to prevent the resin and alcohol from coming into contact with the skin, it is also crucial to use safety glasses for the drops that may originate during the washing of the pieces.

Once an impression is finished, the piece should be removed from the base with the metal spatula that is included with the printer. Then the piece is immersed in IPA for 5-15 minutes to remove the uncured resin from the outer walls of the piece. After that time, pressurized air must be applied on the piece until it is completely dry. To achieve the maximum properties that the zABS resin can provide, it is necessary to cure the resin for 10 minutes in a curing center (Form Cure) having a wavelength of 405 nm.

Before removing parts from the manufacturing base, the user must be equipped with a series of safety measures. It is recommended the use of gloves to prevent the resin and alcohol from coming into contact with the skin, it is also crucial to use safety glasses for the drops that may originate during the washing of the pieces.

General information
Manufacturer Uniz (San Diego, USA)
Technology  LCD
Material Photopolymer
Wavelength UV 405 nm
Format 500 ml
Color -
Compatible 3D printers Slash+, Slash+ UDP, Slash Pro, Slash Pro UDP, Slash DJ2, NBEE
Print settings
Layer height 25, 50, 100 microns
Exposure Time Although the values ​​can be modified, it is not necessary to configure the printing parameters in 3D Uniz printers because the software has the ideal values ​​for each type of resin and layer height.
Off time
Lifting height
Bottom exposure
Bottom layers
Curing and washing properties
Washing time 10 min
Curing time 10 min
Curing temperature 25ºC
Mechanical properties (without curing / with curing)
Izod impact strength (ASTM D 256-10) zDental Model Sand: 57.9 J/m
zDental Model Gray V2: 173.4 J/m
zDental Clear Aligner: 310.60 J/m
zDental C&B A2/A3: -
zDental Cast: 86.07 J/m
zDental Gingiva: 354.60 J/m
zDental IDB: -
zDental Night Guard: -
zDental Tray: 178.3 J/m
Charpy impact strength -
Elongation at break (ASTM D 638-14) zDental Model Sand: 11.29 %
zDental Model Gray V2: 12.42 %
zDental Clear Aligner: 99.44 %
zDental C&B A2/A3: -
zDental Cast: 10.52 %
zDental Gingiva: 177.30 %
zDental IDB: -
zDental Night Guard: ≤100 %
zDental Tray: 20.46 %
Tensile strength (ASTM D 638-14) zDental Model Sand: 22.97 MPa
zDental Model Gray V2: 23.67 MPa
zDental Clear Aligner: 21.44 MPa
zDental C&B A2/A3: -
zDental Cast: 16.20 MPa
zDental Gingiva: 1.32 MPa
zDental IDB: -
zDental Night Guard: -
zDental Tray: 41.69 MPa
Tensile Modulus (ASTM D 638-14) zDental Model Sand: 310.83 MPa
zDental Model Gray V2: 254.99 MPa
zDental Clear Aligner: 177.47 MPa
zDental C&B A2/A3: -
zDental Cast: 208.18 MPa
zDental Gingiva: 0.93 MPa
zDental IDB: -
zDental Night Guard: -
zDental Tray: 316.15 MPa
Flexural strength (ASTM D 790-15) zDental Model Sand: 40.35 MPa
zDental Model Gray V2: 39.55 MPa
zDental Clear Aligner: 32.31 MPa
zDental C&B A2/A3: -
zDental Cast: 27.33 MPa
zDental Gingiva: -
zDental IDB: -
zDental Night Guard: ≥10 MPa
zDental Tray: 55.42 MPa
Flexural modulus (ASTM D 790-15) zDental Model Sand: 1110.61 MPa
zDental Model Gray V2: 1056.91 MPa
zDental Clear Aligner: 933.82 MPa
zDental C&B A2/A3: -
zDental Cast: 1172.13 MPa
zDental Gingiva: -
zDental IDB: -
zDental Night Guard: ≥100 MPa
zDental Tray: 1082.35 MPa
Surface hardness zDental Model Sand: Shore 87D
zDental Model Gray V2: Shore 86D
zDental Clear Aligner: Shore 68D
zDental C&B A2/A3: Shore 95D
zDental Cast: Shore 82D
zDental Gingiva: Shore 56A
zDental IDB: -
zDental Night Guard: ≥ Shore 80A
zDental Tray: Shore 83.5D
Thermal properties
Softening temperature -
Additional Information
Lifetime (since manufacturing) 12 months
HS Code 2916.1


* The typical values detailed in this table should be considered as a reference. Actual values may vary depending on the 3D printer model used, part design and printing conditions. We recommend confirming the results and final properties with own tests. For more information you should consult the technical data sheet of the product.



General information
Manufacturer Uniz (San Diego, USA)
Technology  LCD
Material Photopolymer
Wavelength UV 405 nm
Format 500 ml
Color -
Compatible 3D printers Slash+, Slash+ UDP, Slash Pro, Slash Pro UDP, Slash DJ2, NBEE
Print settings
Layer height 25, 50, 100 microns
Exposure Time Although the values ​​can be modified, it is not necessary to configure the printing parameters in 3D Uniz printers because the software has the ideal values ​​for each type of resin and layer height.
Off time
Lifting height
Bottom exposure
Bottom layers
Curing and washing properties
Washing time 10 min
Curing time 10 min
Curing temperature 25ºC
Mechanical properties (without curing / with curing)
Izod impact strength (ASTM D 256-10) zDental Model Sand: 57.9 J/m
zDental Model Gray V2: 173.4 J/m
zDental Clear Aligner: 310.60 J/m
zDental C&B A2/A3: -
zDental Cast: 86.07 J/m
zDental Gingiva: 354.60 J/m
zDental IDB: -
zDental Night Guard: -
zDental Tray: 178.3 J/m
Charpy impact strength -
Elongation at break (ASTM D 638-14) zDental Model Sand: 11.29 %
zDental Model Gray V2: 12.42 %
zDental Clear Aligner: 99.44 %
zDental C&B A2/A3: -
zDental Cast: 10.52 %
zDental Gingiva: 177.30 %
zDental IDB: -
zDental Night Guard: ≤100 %
zDental Tray: 20.46 %
Tensile strength (ASTM D 638-14) zDental Model Sand: 22.97 MPa
zDental Model Gray V2: 23.67 MPa
zDental Clear Aligner: 21.44 MPa
zDental C&B A2/A3: -
zDental Cast: 16.20 MPa
zDental Gingiva: 1.32 MPa
zDental IDB: -
zDental Night Guard: -
zDental Tray: 41.69 MPa
Tensile Modulus (ASTM D 638-14) zDental Model Sand: 310.83 MPa
zDental Model Gray V2: 254.99 MPa
zDental Clear Aligner: 177.47 MPa
zDental C&B A2/A3: -
zDental Cast: 208.18 MPa
zDental Gingiva: 0.93 MPa
zDental IDB: -
zDental Night Guard: -
zDental Tray: 316.15 MPa
Flexural strength (ASTM D 790-15) zDental Model Sand: 40.35 MPa
zDental Model Gray V2: 39.55 MPa
zDental Clear Aligner: 32.31 MPa
zDental C&B A2/A3: -
zDental Cast: 27.33 MPa
zDental Gingiva: -
zDental IDB: -
zDental Night Guard: ≥10 MPa
zDental Tray: 55.42 MPa
Flexural modulus (ASTM D 790-15) zDental Model Sand: 1110.61 MPa
zDental Model Gray V2: 1056.91 MPa
zDental Clear Aligner: 933.82 MPa
zDental C&B A2/A3: -
zDental Cast: 1172.13 MPa
zDental Gingiva: -
zDental IDB: -
zDental Night Guard: ≥100 MPa
zDental Tray: 1082.35 MPa
Surface hardness zDental Model Sand: Shore 87D
zDental Model Gray V2: Shore 86D
zDental Clear Aligner: Shore 68D
zDental C&B A2/A3: Shore 95D
zDental Cast: Shore 82D
zDental Gingiva: Shore 56A
zDental IDB: -
zDental Night Guard: ≥ Shore 80A
zDental Tray: Shore 83.5D
Thermal properties
Softening temperature -
Additional Information
Lifetime (since manufacturing) 12 months
HS Code 2916.1


* The typical values detailed in this table should be considered as a reference. Actual values may vary depending on the 3D printer model used, part design and printing conditions. We recommend confirming the results and final properties with own tests. For more information you should consult the technical data sheet of the product.



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