A Dentist’s Guide to Choosing Resin for Dental 3D Printing

Written by Chanda Lalwani

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Posted on March 09 2021

Whether printing out dental models, splints, or more precise dental parts such as removable dies, dental 3D printing can help you meet your dental needs with speed and accuracy so that you can boost your productivity.

Thanks to the invention of dental resin 3D printers, dental professionals can now easily produce dental molds and other parts with extreme precision and accuracy at the comfort of their own clinics and labs.

After choosing an LCD 3D printer, you have to choose the correct resin for your dental needs.  Let’s take a look at what dental resins Phrozen currently offers:

Please refer to our resin profile chart for a general idea on how to set up resin profiles for different Phrozen resins. Feel free to make adjustments to see what works best for you.


TR250 Gray Resin - For Dental Molds and Parts

With its deep gray color, TR250 Gray resin is your best choice for printing out dental models that can be displayed in the lab or dental clinics. These can then be used for a variety of purposes such as patient consultation or educating patients about teeth.

TR250 Gray resin is also capable of printing out detailed dental parts such as crowns, bridges, and removable dies.

Characteristics
3D dental models printed with the TR250 Gray resin are extremely heat-resistant and durable. At the same, it also creates 3D prints with low shrinkage.

Features:
Viscosity: 706 cps
Density: 1.12
Surface Hardness (Shore D): Shore 85 D
Elongation (at break): 1%
Tensile Strength: 11 Mpa
I-Zod Impact: 3.05 KJ/m2


TR300 Ultra-High Temp Resin - Best For Dental Thermoforming

Phrozen TR300 Ultra-High Temp Resin is your best bet in printing out high quality dental models that withstand high temperatures up to 200 °C ( or 392 °F). It can be used for creating dental models which are then used to thermoform aligners or retainers which requires the perfect fit for the patients.

TR300 resin can also be used to create study dental models which can be used for demonstrative purposes. 

Characteristics
3D models printed with TR300 resin have an extremely high thermal resistance which makes it ideal for thermoforming purposes. TR300 resin produces dental models that are extremely tough and offers a great print quality for all dental professionals. 

Features:
Viscosity: 160cps
Density: 1.17
Surface Hardness (Shore D): Shore 80 D
Elongation (at break): 2%
Tensile Strength: 32 Mpa
I-Zod Impact: 8 KJ/m2


Beige Low-Irritation Resin - For Durable Prints

Beige Low-Irritation resin produces durable 3D dental models such as dental models with removable dies that can be used for demonstrative purposes. It can also be used to print out dental models for aligners which can then be used to manufacture clear aligners.

After undergoing the curing process, dental models printed with this resin are easy on the skin, allowing patients to have direct contact with the 3D models.

Characteristics
Beige Low Irritation resin produces dental models that are durable and easy on the skin.

Features:
Viscosity - 654 cps
Density - 1.14
Surface Hardness (Shore D) - Shore 81 D
Elongation (at break) - 2%
Tensile Strength - 10 Mpa
I-Zod Impact - 2.21 KJ/m2


Aqua-Gray 4K & Aqua-Ivory 4K Resin - For Extreme Precision

If you’re looking to print out extremely precise dental parts, Phrozen Aqua-Gray 4K and Aqua-Ivory 4K Resin are the best for printing out highly intricate 3D prints with a smooth surface, effectively removing horizontal lines from your 3D models. 

Bridges, crowns and removable dies such as in the photo above typically require extreme precision printing in order to ensure a perfect fit for patients.

As a dental professional, if you are looking to print out textured dental models with all the tiny details, Aqua-Gray 4K and Aqua-Ivory 4K Resin will be the perfect choice for you.


Characteristics:

Both Aqua-Gray 4K & Aqua-Ivory 4K resins are capable of printing out dental parts with extremely high precision. A low viscosity level also makes both resins ideal for rinsing and cleaning after the printing process has been complete. 


Features (Aqua-Gray 4K):

Viscosity: 150cps
Density: 1.1
Tg (Glass Transition Temperature): 68.4℃
Surface Hardness (Shore D): Shore 77 D
Elongation (at break): 7%
Tensile Strength: 2 Mpa
I-Zod Impact: 6.78 KJ/m2


Features (Aqua-Ivory 4K):

Viscosity: 221cps
Density: 1.1
Surface Hardness (Shore D): Shore 75 D
Elongation (at break): 6%
Tensile Strength:  1.9 Mpa


Wax-Like Castable Resin: Dental Green - Best for Dental Parts

Specialized for dental professionals, Phrozen’s Wax-Like Dental Green resin is the best choice for printing dental models that use investment casting as they require exceptionally high precision, leaving zero residue after the burnout process is complete. This can then be used to make accurate dental implants for patients.

Wax-Like Dental Green resin ensures that all your dental parts fit with precision. Rest assured as your 3D prints burn cleanly to provide the ideal casting for various types of dental parts.

Characteristics:
With high mechanical strength, Phrozen’s Wax-like Dental Green resin produces dental prints that are extremely durable and sturdy. With low shrinkage and low water absorption rate, this resin is also great for casting and creating a large number of dental models in one print. 

Please refer to the chart above for the recommended burnout schedules.

Learn more about Phrozen’s Dental LCD 3D Printers

After learning about which Phrozen resins are best for dental applications, click here to check out our previous blog post in which we explain which Phrozen LCD 3D printers are best for dentists. 

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