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  • Form 2/Form 3 Dentistry Resin (FormLabs)

    Formlabs

    This product could be delivered in a period exceeding the standard.

    New product

    135,00 €tax excl.
    163,35 €tax incl.

    Ask for information

    Resins to enhance dental services more precisely, quickly and economically.

    The Dental Resins of FormLabs for their Form 2Form 3 and Form 3L are specialized materials for the dental field, where the use of this type of technology is increasingly present. Thanks to dental resins (biocompatible) they allow to realize models of crowns and bridges, surgical guides, splints and retainers with an incredible accuracy, with a maximum deviation of ± 100 microns, and with very low material costs for each element (1.4 - 3.3 €), which amortizes the use of the printer with any of the dental resins in a few months.

    Form 2 Dental Resins

    Image 1: Dental Resins. Source: FormLabs

    The Dental Resins offered by FormLabs are:

    Dental Model Resin (Crowns and bridges model)

    Dental SG Resin (Biocompatible Class I)

    Dental LT Clear Resin (High breaking strength)

    Dental Model Resin

    Dental Model Resin is a high performance material for crowns and dental bridge models.

    Form 2 Dental Model Resin application

    Image 2: Dental Model Resin application. Source: FormLabs

    With the print configuration of 25 microns (layer height) clear margins are achieved, and, precise and consistent contacts with an accuracy of ± 35 microns in 80% of the model. In the rest of the model an accuracy of ± 100 microns is achieved in more than 90% of the surfaces. These values of such low tolerances make it possible to insert the extractable matrices (teeth) with a fitted adjustment.

    Form 2 Dental Model Resin precision

    Image 3: Dental Model Resin precision. Source: FormLabs

    In addition, the Model Dental Resin has a smooth finish and a color similar to plaster, which facilitates the clear visualization of the model during production. Thanks to all the above and the low cost (€ 4.7 for each matrix), this type of models compete directly with those enhanced in clay.

    Dental SG Resin

    This type of resin is dedicated to making aid elements for surgeries, with the best possible clinical result. Dental SG Resin is a Class I biocompatible material (EN-ISO 10993-1:2009/AC:2010, EN-ISO 20795-1:2013, EN-ISO 7405:2009/A1:2013) that combined with an autoclave of sterilization leads to digitally designed dental guides of low cost (1.8 - 2.8 € per guide).

    Form 2 Dental SG Resin

    Image 4: Dental SG Resin. Source: FormLabs.

    FormLabs has conducted a study examining 84 printed guides with the Dental SG Resin using a 3D orthodontic scanner and comparing the .STL files. The final result was that more than 93% of the surfaces of the models created with this resin had a precision of ± 100 microns, thus providing a fitted fit, more than sufficient, for dental surgical applications.

    Form 2 Dental SG Resin Precision

    Image 5: Dental SG Resin Precision. Source: FormLabs

    Video 1: Dental SG Resin. Source: FormLabs

    Dental LT Clear Resin

    Dental LT Resin offers a high resistance to fracture, wear and biocompatibility Class IIa (EN-ISO 10993-1:2009/AC:2010 EN-ISO, 10993-3:2009, EN-ISO 10993-5:2009, EN-ISO 10993-11, EN-ISO 7405:2009/A1:2013). To ensure the durability and resistance necessary to produce final elements, the Dental Resin LT complies with the mechanical properties stipulated in the EN-ISO 20795-1:2013 standard. This resin is ideal for direct printing of splints, retainers and other orthodontic devices with a translucent finish.

    Form 2 Dental LT Clear Resin

    Image 6: Dental LT Clear Resin. Source: FormLabs

    To achieve a finish with an optimal transparency, only a light polish is needed.

    Video 2: Dental LT Clear Resin. Source: FormLabs

    Much of the dental industry is already using 3D printing, through Form 2Form 3 or Form 3L and Dental Resins, to enhance their services more accurately, quickly and economically.

    Impact strength (KJ/m2)3.3
    Elongation at break (%)25
    Tensile strength (MPa)61
    Tensile modulus (MPa)2700
    Flexural strength (MPa)33.9
    Flexural modulus (MPa)2500
    Surface hardness8
    Softening temperature (ºC)56
    SealingSealing
    Medical useMedical use

    Below, a series of usage tips are cited that must be taken into account at all times with the use of FormLabs resins:

    Change cartridge

    Changing the resin cartridge of the FormLabs printers is very simple, just close the top cap of the ventilation duct (vent) and remove the cartridge by holding it by the handle it has. Then the other is inserted and the vent plug is opened in case an impression is to be started. To avoid drips through the 3D printer, this process must always be carried out with the resin tank mounted.

    Vent plug FormLabs

    Image 1: Vent plug of the FormLabs cartridges. Source: FormLabs

    After finishing each impression the vent plug must be closed so that the resin maintains its properties. In addition, if you don't use the printer for some time, you should keep the cartridge in its original box to keep the properties of the resin intact.

    Resin tank

    Each type of resin must have its resin tank, which must be changed after using 2L of resin. FormLabs has developed a more powerful tank, the Resin Tank LT, which has a life up to 20 times longer than the standard tank.

    FormLabs Resin Tank LT

    Image 2: FormLabs Resin Tank LT. Source: FormLabs

    To protect and store the excess resin in the tank after each printing, FormLabs supplies a lid that ensures a perfect closure. Once the tank is closed, it is recommended to store it (with resin and lid) in the original box so that the resin doesn't lose its properties when exposed to UV rays for a long time. Another point to keep in mind is that the tanks can't be cleaned with any cleaning product or similar (for example, isopopyl alcohol), since they lose certain qualities that can cause continuous failed impressions.

    FormLabs Resin Tank

    Image 3: FormLabs Resin Tank. Source: FormLabs

    Failed printing

    When an error occurs in printing may be because solid parts of a previous printing have fallen to the resin tank. In this case, a spatula at 45° must be passed through the printing tank, gathering all the solid parts in a corner and removing them. To ensure that the tank resin doesn't contain any solid parts, the resin should be cast with a 190 μm paper filter. Once cast, it is put back into the tank and it is ready to be used again.

    Video 1: Clean resin tank. Source: FormLabs

    Isopropyl alcohol

    Isopropyl alcohol is the key to the washing and post-processing of parts and you should know when it is time to change it. In the Finish Kit the moment to change it's when the IPA (Isopropyl Alcohol) is so saturated with resin particles, that after washing the pieces are still sticky. At that point you must remove all the liquid, clean the container well and throw new IPA, but never fill in on the previous one.

    Finish Kit FormLabs

    Image 4: Finish Kit FormLabs. Source: FormLabs

    In the Form Wash, the wash center itself indicates through its screen when it is time to change the isopropyl alcohol.

    Video 2: FormLabs Ecosystem. Source: FormLabs

    If you wish you can contract our SLA 3D printing training courses (online or in person) by contacting us through the contact form. The training is oriented to obtain a wide knowledge and know how to use the 3D SLA FormLabs printers from the beginning and t.hus avoid major errors.

    General information
    ManufacturerFormLabs (Massachusetts, USA)
    Technology SLA / LFS
    MaterialPhotopolymer
    Wavelength UV 405 nm
    Format1 liter
    Compatible 3D printers Form 2, Form 3, Form 3L
    Print settings
    Layer height 100-50-25 microns (Model)
    100-50 microns (SG, LT Clear)
    Exposure Time It is not necessary to configure the printing parameters in the Formlabs printers. The chip incorporated in the resin cartridges detects the type of material by configuring the printing automatically.
    Off time
    Lifting height
    Bottom exposure
    Bottom layers
    Curing and washing properties
    Washing time (FormWash) Model: 10 min
    SG: 5 min
    LT Clear: 5 min
    Curing time (FormCure) Model: 60 min / 60ºC
    SG: 30 min / 60ºC
    LT Clear: 20 min / 80ºC
    Mechanical properties (without curing / with curing)
    Izod impact strength (ASTM D256-10) Model:  27 J/m / 33 J/m
    SG: -
    LT Clear: -
    Charpy impact strength -
    Elongation at break (ASTM D 638-10) Model: 25% / 5%
    SG: -
    LT Clear: -
    Tensile strength (ASTM D 638-10) Model: 33 MPa / 61MPa
    SG: -
    LT Clear: -
    Tensile Modulus (ASTM D638-10) Model: 1600 MPa / 2700 MPa
    SG: -
    LT Clear: -
    Flexural strength (ASTM D 790-15) Model: 33.9 MPa / 95.8 MPa
    SG: - / ≥50 MPa
    LT Clear:  - / ≥50 MPa (no break)
    Flexural modulus  (ASTM C790-10) Model:  950 MPa /  2500 MPa
    SG: - / ≥1500 MPa
    LT Clear: - / ≥1300 MPa
    Surface hardness (ASTM 2240) Model: -
    SG: - / ≥80D
    LT Clear:  - / ≥80 - 90D
    Thermal properties (without curing / with curing)
    Softening temperature (ASTM D 648-16 / @ 0.45 MPa) Model: 40.1 °C / 55.9 °C
    SG: -
    LT Clear: -
    Additional Information
    Lifetime (since manufacturing) 18 months (Model)
    24 months (LT Clear, SG)
    HS Code2916.1


    * 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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