In an industry that is increasingly defined by the ability to innovate, adapt, and produce consistent results, Keystone Industries introduced KeyPrint in 2018, a line of precision 3D resins specifically formulated for the dental industry. Keystone has combined its unique blend of dental and photopolymer expertise to deliver the highest quality 3D printing resins to the dental market.

Entirely designed and produced in the USA, the full KeyPrint line is available throughout North America, Europe, and other global territories. KeyPrint resins are compatible with DLP, LED and LCD printers (wavelengths of 385-405 nm). Keystone is profiling 3D printers on an ongoing basis to ensure our KeyPrint resins work reliably in multiple open-source printers.

Prioritizing patient safety, KeyPrint resins are subjected to a battery of biocompatibility tests in accordance with global regulatory standards. Each biocompatible print complies with international standards to ensure efficacy and effectiveness for the patient. KeyPrint’s robust formulations guarantee a 3-year shelf life, along with color stability.

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Keyprint® KeyGuide™ Resin Features

• Strong
• Easy to polish
• Autoclavable and colour stable

https://keyprint.keystoneindustries.com/keysplint-soft/

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https://dental.keystoneindustries.com/

In an industry that is increasingly defined by the ability to innovate, adapt, and produce consistent results, Keystone Industries introduced KeyPrint in 2018, a line of precision 3D resins specifically formulated for the dental industry. Keystone has combined its unique blend of dental and photopolymer expertise to deliver the highest quality 3D printing resins to the dental market.

Entirely designed and produced in the USA, the full KeyPrint line is available throughout North America, Europe, and other global territories. KeyPrint resins are compatible with DLP, LED and LCD printers (wavelengths of 385-405 nm). Keystone is profiling 3D printers on an ongoing basis to ensure our KeyPrint resins work reliably in multiple open-source printers.

Prioritizing patient safety, KeyPrint resins are subjected to a battery of biocompatibility tests in accordance with global regulatory standards. Each biocompatible print complies with international standards to ensure efficacy and effectiveness for the patient. KeyPrint’s robust formulations guarantee a 3-year shelf life, along with color stability.

Where we’ve been
Dedication & Innovation
Keystone’s dedication to high-quality, US-made products & customer satisfaction has always been second to none since the company’s inception in 1908.

Where we are
Taking Dentistry By Storm
Through the years, Keystone Industries has maintained a strong reputation of producing innovative dental products for the dental laboratory, operatory and preventive realms.

Where we’re going
Expanding Exponentially
The state-of-the-art, 250,000 square foot facility in Gibbstown, NJ allows Keystone Industries to expand capabilities in manufacturing pharmaceutical products for the dental industry.

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Uses and Advantages

• Cost effective for try-in dentures
• Exceptional surface quality
• Easy to characterize
• Polishes to high luster
• Biocompatible medical device
• Free of MMA, BPA, and phthalates

Key Denture Try-In takes the uncertainty out of the denture fitting process. Designed for precision and efficiency, KeyDenture Try-In is a photopolymer resin indicated for 3D printing of biocompatible, short-term trial dentures, intended for evaluation of fit, occlusion, esthetics, and phonetics during try-in appointments.

Indications for Use: KeyPrint KeyDenture Try-In is
indicated for the fabrication of trial dentures for try-in
verification, including full and partial removable/fixed
dentures.
Product Description: KeyPrint KeyDenture Try-In is a
light-curing resin for the 3D printing of biocompatible trial
dentures for use with DLP printers (385-405nm).

Color A1, B1, BL4

Density 1.0–1.15 g/cm3
Viscosity ~360 cP @ 25C CHARACTERISTICS
Flexural Strength ASTM D790 > 56 MPa* 56-68 MPa
Flexural Modulus ASTM D790 > 1400 MPa* 1500-1750 MPa
Elongation at Break ASTM D638 >12% 30-43%
Shore D Hardness ASTM D2240 > 80D 80D
Water Sorption ISO 20795-1 < 32 ug/mm3 9-13 ug/mm3
Water Solubility ISO 20795-1 < 5 ug/mm3 1.10 ug/mm3

https://keyprint.keystoneindustries.com/wp-content/uploads/2025/02/keyprint_catalog_2025_r1.pdf

Our KeyPrint Journey

In an industry that is increasingly defined by the ability to innovate, adapt, and produce consistent
results, Keystone Industries introduced KeyPrint in 2018, a line of precision 3D resins specifically
formulated for the dental industry. Keystone has innovatively combined its unique blend of dental
and photopolymer expertise to deliver the highest quality 3D printing resins to the dental market.
Entirely designed and produced in the USA, the full KeyPrint line is available throughout North
America, Europe, and other global territories. KeyPrint resins are compatible with DLP, LED and
LCD printers (wavelengths of 385-405 nm). Keystone is validating 3D printers on an ongoing basis
to ensure our KeyPrint resins work reliably in multiple open-source printers.
Prioritizing clinical results and patient safety, KeyPrint resins are subjected to a battery of
biocompatibility tests in accordance with global regulatory standards. Each biocompatible
print complies with international standards to ensure efficacy and effectiveness for the patient.
KeyPrint’s robust formulations guarantee a 3-year shelf life for the bottle of resin.

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Uses and Advantages

• Precise fit for enhanced comfort and performance
• Protection only where needed
• Optimized cost efficiency
• Superior Durability
• More sustainable than traditional methods
• Complete design freedom

Features & Benefits

• KeyGuard™ is precise fit for enhanced comfort and performance. Giving you the competitive edge you need to dominate your sport, KeyGuards are created using advanced digital 3D scanning and printing technologies, enabling the most personalised customization of any mouthguard available. This ensures an optimal fit for each individual athlete, enhancing comfort and performance.
• Protection only where needed with complete design freedom.
• Optimized Cost Efficiency: The manufacturing process for KeyGuard mouthguards is streamlined and efficient. By eliminating the need for manual molding and thermoforming, dental clinics and labs can save considerable labor costs. With KeyPrint, there is no need for physical molds, reducing storage requirements and consumables.
• Superior Durability: KeyGuard mouthguards are constructed using a proprietary formulation that creates guards with superior strength and durability. This ensures longevity and resilience even during intense sports activities, providing long-lasting protection for athletes.
• More Sustainable than traditional methods: The KeyPrint 3D process minimizes material waste and energy consumption compared to traditional manufacturing methods. By embracing this sustainable approach, dental clinics and labs can contribute to environmental conservation while delivering top-quality mouthguards.

Keystone Industries Unveils KeyGuard: A Revolutionary 3D Printed Custom-Fit Sports Mouthguard

Gibbstown, 12/11/2023 –Keystone Industries, the team that brought you Pro-Form®, is proud to introduce KeyGuard, a groundbreaking 3D printed custom-fit sports mouthguard resin. This innovative technology creates an unparalleled value proposition for dental clinics and labs, surpassing traditional thermoformed mouthguards by distinguishing itself with a precise fit.

Precise Fit for Enhanced Comfort and Performance

Using advanced digital 3D scanning and printing, KeyGuard allows dental clinics and labs to produce a custom mouthguard molded to the individual athlete, enhancing comfort and safety. KeyGuard eliminates the need for manual molding and thermoforming, cutting labor costs and reducing storage requirements and consumables.

Superior Durability for Long-Lasting Protection

Developed with a proprietary formulation, KeyGuard provides superior strength and durability to ensure longevity and resilience even during intense sports activities, providing athletes with reliable, long-lasting protection.

More Sustainable Manufacturing

KeyPrint’s 3D process minimizes material waste and energy consumption compared to traditional methods for improved sustainability. Dental clinics and labs can now deliver top-quality mouthguards while embracing a more environmental approach.

Impact on Functionality of 3D Printed Sports Guards

The material properties of KeyGuard™ contribute to enhanced functionality, comfort, and protection offered by 3D printed sports guards, making them a better choice than traditional mouthguards:

https://keyprint.keystoneindustries.com/keyguard/

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In an industry that is increasingly defined by the ability to innovate, adapt, and produce consistent results, Keystone Industries introduced KeyPrint in 2018, a line of precision 3D resins specifically formulated for the dental industry. Keystone has combined its unique blend of dental and photopolymer expertise to deliver the highest quality 3D printing resins to the dental market.

Entirely designed and produced in the USA, the full KeyPrint line is available throughout North America, Europe, and other global territories. KeyPrint resins are compatible with DLP, LED and LCD printers (wavelengths of 385-405 nm). Keystone is profiling 3D printers on an ongoing basis to ensure our KeyPrint resins work reliably in multiple open-source printers.

Prioritizing patient safety, KeyPrint resins are subjected to a battery of biocompatibility tests in accordance with global regulatory standards. Each biocompatible print complies with international standards to ensure efficacy and effectiveness for the patient. KeyPrint’s robust formulations guarantee a 3-year shelf life, along with color stability.

https://www.eurodontic.co.uk/wp-admin/post.php?post=5025&action=edit

https://dental.keystoneindustries.com/

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• Biocompatible
• Transparent
• Polishable
• Stain-resistant

Keysplint-Soft_Polishing Instructions

KeySplint-Soft-TDS-physical-properties

KeySplint Soft is fully biocompatible, and is in compliance with international medical device regulations and standards. Its robust formulation has three years of guaranteed shelf life, is color stable, and is validated in multiple open-source printers. No other dental splint resin can deliver the quality and performance of KeySplint Soft.

Biocompatible
Transparent
Polishable
Stain-resistant
INDEPENDENT STUDY ON WEAR EXPECTATIONS
KEYSPLINT SOFT IN IDT
DOCTOR TESTIMONIALS
Utilizing unique patent-pending technologies, Keystone Industries has developed a one-of-a-kind 3D printing resin for the fabrication of flexible dental splints, nightguards, and bleaching trays. This DLP-optimized resin is an exceptional printing material, that combines the strength needed to protect teeth against disorders like bruxism with added flexibility for better patient comfort. KeySplint Soft is also easily cleaned by the patient.
Within the USA, KeyPrint® KeySplint Soft® is indicated for the fabrication of orthodontic and dental appliances such as mouthguards, nightguards, splints, repositioners, and bleaching trays.

Outside the USA, KeyPrint® KeySplint Soft® is indicated for the fabrication of orthodontic and dental appliances such as bite planes, mouthguards, nightguards, snoring appliances, splints, and repositioners.

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https://keyprint.keystoneindustries.com/keysplint-soft/

PROPERTIES METHOD Keyprint® Keysplint Soft™
Ultimate Flexural Strength ISO 20795-2 2.6–4.4 MPa
Flexural Modulus ASTM D790 1356 MPa
Tensile Strength ASTM D638 52 MPa
Young’s Modulus Tensile ASTM D638 1790 MPa
Water Sorption ISO 20795-2 < 18 μg/mm3
Elongation at Break ASTM D638 110%
Biocompatability Pass ISO 10993-1

Utilizing unique technologies, Keystone Industries has developed a one-of-akind 3D printing resin for the fabrication of flexible, durable dental splints and
nightguards. This DLP-optimized resin is an exceptional printing material that
combines the strength needed to protect teeth against disorders like bruxism,
with added flexibility for better patient comfort.

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Keyprint® KeyModel Ultra™,Light-curing, methacrylate-based, for 3D printing. For the fabrication of precise dental and orthodontic models. For DLP/LED printers with a wavelength of 385 to 405 nm. Also suitable for a number of LCD monochrome printers.

Uses and Advantages

• Ultra-fast printing
• Thermoforming quick-release agent
• Flawless detail
• Multiple available colors
• Carve-able without chipping
• Pairs perfectly with KeyMask™

Keyprint® KeyModel Ultra™ is available in Ivory and Light Grey 1kg & 4KG

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Processing Printed Parts
1. Pour the liquid material in the reservoir of
the printer. Follow the printers’ instructions
for use.
2. Print the part according to your printers’
Instructions for use.
Keystone recommends two nesting
orientations for dental models (1) Flat,
with the occlusal plane parallel to the build
plate or (2) Vertical, with the occlusal plane
perpendicular to the build plate.
3. Remove printed parts from the
build plate.

https://keyprint.keystoneindustries.com/ 

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The KeyPolish kit™ has everything you need to follow our KeySplint Polishing Guide, including paste, polishing compound, discs, and wheels.

Keystone Industries has combined its unique blend of dental and photopolymer expertise to create KeyPrint 3D resins. Not only has Keystone been manufacturing premium dental products since 1908, but it has decades of experience as a leading producer of biocompatible, cutting-edge, patented photopolymer resins.

Entirely designed and produced in the USA, the full KeyPrint line of materials are available throughout North America and Europe. These high-quality resins are designed for use in DLP, LED, and LCD printers using wavelengths from 385-405 nm and yield accurate, stable and strong printed parts.

Keystone also offers private-label opportunities for its dental 3D printing materials.  We can partner with companies looking to develop and launch 3D resins specifically-tailored to your additive manufacturing system.

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KeyCast’s low shrinkage formula controls thermal
expansion to yield porous-free and accurate castings.
KeyCast is compatible with rapid burnout and gradual
temperature ramp workflows, with no residual ash.
It is used with chrome, cobalt, gold, and silver.

KeyCast is compatible with rapid burnout and gradual temperature ramp workflows, with no residual ash.

• Key Cast Resin is used with chrome, cobalt, gold, and silver
• Low shrinkage formula controls thermal expansion to yield pore-free and accurate castings

https://keyprint.keystoneindustries.com/wp-content/uploads/2025/02/keyprint_catalog_2025_r1.pdf 

Our Journey

In an industry that is increasingly defined by the ability to innovate, adapt, and produce consistent results, Keystone Industries introduced KeyPrint in 2018, a line of precision 3D resins specifically formulated for the dental industry. Keystone has combined its unique blend of dental and photopolymer expertise to deliver the highest quality 3D printing resins to the dental market.

Entirely designed and produced in the USA, the full KeyPrint line is available throughout North America, Europe, and other global territories. KeyPrint resins are compatible with DLP, LED and LCD printers (wavelengths of 385-405 nm). Keystone is profiling 3D printers on an ongoing basis to ensure our KeyPrint resins work reliably in multiple open-source printers.

Prioritizing patient safety, KeyPrint resins are subjected to a battery of biocompatibility tests in accordance with global regulatory standards. Each biocompatible print complies with international standards to ensure efficacy and effectiveness for the patient. KeyPrint’s robust formulations guarantee a 3-year shelf life, along with color stability.

The post KeyCast Resin appeared first on Eurodontic.

Processing Tips for KeyOrthoModel® Grey:
1. Ensure that resin is tempered to ambient temperature (20–25 °C/68–77 °F) prior to printing.
2. In order to achieve consistency of the resin and to prevent bubbles, agitate the bottle 1 hour prior to use. If
bubbles are present, remove with a clean instrument/spatula.
3. Only use KeyPrint® product-specific pre-determined settings for your DLP 3D printer. KeyOrthoModel®
should be used with a 385–405 nm UV light source. Printers using alternative light sources require validation
by Keystone’s technical team for optimal settings. Unless specified, always print using the settings provided
at keystoneindustries.com.
4. Resin coated parts should be cleaned with Isopropanol (at least 97%) within approximately 8 hours from
the completion of the print. Do not allow the parts to sit in Isopropanol for longer than 5 minutes as the
properties may begin to deteriorate.
5. Keystone discourages the use of denatured alcohol or ethanol for cleaning as it may diminish or degrade the
quality of the finished parts.
Directions for cleaning and post-cure treatment of printed part(s):
1. Remove part from printer and build platform.
2. Remove support structures from the part if applicable (optional: remove supports before or after post-cure).
3. Place in Stage 1 Isopropanol (IPA) bath. This bath is used for the first wash of any part coming from
the printer.
4. Remove excess liquid resin from the printed part. This can be done by running fingers over the surface,
swishing or vibrating with the part submerged in the IPA bath.
5. Transfer the part(s) into a Stage 2 IPA bath. In order to achieve optimal final print quality, use fresh IPA with
lower concentration of contaminants. Using a soft scrub brush or toothbrush can help remove excess resin.
6. Use compressed air to dry part, looking for residual liquid resin, which will be visible as it remains glossy. If
residual resin remains, repeat steps 5 & 6 as needed.
7. Place the part in a post processing cure box, being sure to place the part flat to prevent warping. Refer to
keystoneindustries.com to locate validated cure box settings. Our resins are compatible in cure boxes with
UV wavelengths of 250–390 nm.
8. Allow part to cool completely before removing from the cure box to prevent surface defects or warping.

https://keyprint.keystoneindustries.com/ 

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