KEYSTONE - KeySplint Soft Clear 0.5kg - # 4200161 ( KeyPrint ) ( Keyprint )
Earn up to 267 rewards points with this product!
Join today and start earning rewards points and unlock exclusive savings with US Dental Depot's Customer Loyalty Rewards Program
Description
KeySplint Soft
Overview
KeySplint Soft is the original flexible splint resin from Keystone Industries — patent-pending chemistry that combines the strength to protect against bruxism with the flexibility patients actually wear. Open-DLP version, validated on Asiga, Phrozen, Elegoo, and the rest of the 385-405 nm ecosystem.
Three-color lineup: a slight violet tint (the original 4200005/4220005), pink (4200151/4220151) and blue (4200175/4220175) for visual identification or patient preference. Same FDA-cleared chemistry across all three. Cleared in the United States for splints, nightguards, mouthguards, repositioners, and bleaching trays.
Why Labs Specify It
ASTM D790 strength on the proprietary Soft formulation.
ASTM D638 — flexes through bite cycles without tearing.
ASTM D2240 hardness band engineered for Soft-splint comfort.
Tinted, Pink, and Blue — same chemistry, three patient preferences.
Engineered Features
- Patent-Pending Soft ChemistryMethacrylate base with proprietary stabilizers — Keystone's category-defining flexible splint formulation, validated since 2019.
- Comfort + Toughness Profile44-47 MPa flexural strength holds up to bruxism while >110% elongation lets the appliance flex with the bite — patients wear it longer.
- Three Color Options, Same ChemistryLight Violet (default), Pink (4220151), Blue (4220175) — pigment varies, FDA-cleared mechanical envelope identical.
- Open DLP CompatibilityAsiga MAX/PRO, Phrozen Sonic family, Elegoo Mars/Saturn, LuxCreo, SISMA, Zortrax — printer settings published on Keystone's site.
- Easy Patient CleaningSurface chemistry validated for daily cleaning. Color-stable through extended wear; abrasion- and fracture-resistant.
Why It Sells
- The splint patients keep wearingComfort comes from the >110% elongation — Soft, not brittle.
- FDA-cleared, ISO 10993, USP Class VIDocumentation pack ready for any RFP.
- Three colors, one chemistryColor-code by case type or let patients pick.
- Open ecosystemNo platform lock-in. Asiga, Phrozen, Elegoo all run it.
- Three-year shelf lifeOrder ahead, work the bottle when you need it.
Clinical Applications
Long-wear flexible protection for grinders.
TMD therapy with Soft-splint indication.
FDA-cleared in the US for whitening tray fabrication.
Recreational and youth athletics.
Post-orthodontic Soft-comfort retention.
EU/Canada indication — Soft bite plane therapy.
What Makes It Different
Most splint resins on the market are either rigid like a hockey puck or so flexible they tear. KeySplint Soft sits in the engineered middle: tough enough to absorb a 200-pound bruxism load, flexible enough that the appliance moves with the jaw rather than fighting it. That's why patient compliance jumps when labs switch to it.
And unlike the Carbon-exclusive Soft Clear variant, this open-DLP version runs on whatever 385-405 nm machine your lab already owns. No Carbon contract required — three years of shelf life, three colors, ship-from-Florida via USDD.
Where It Sits in the Market
Generic flexible Resin
- Tears at the occlusal contact
- Yellows after 60-day wear
- No FDA tray clearance
- Variable batch hardness
- Single tinted option
Lab-Pressed Pro-Form Splint
- Heat-press workflow
- Single-shade selection
- Strong patient acceptance
- Multi-day turn-around
- Material cost per unit higher
KeySplint Soft (Open DLP)
- Patent-pending Soft chemistry
- Tinted, Pink, Blue — three colors
- FDA, ISO 10993, USP Class VI cleared
- Asiga, Phrozen, Elegoo all validated
- Three-year shelf life
Available Shades
SKU & Pack Sizes
Technical Specifications
| Material Class | Light-curing biocompatible photopolymer resin |
| Composition | Methacrylate, photo-initiator, inhibitor, pigment |
| Indication (US) | Mouthguards, nightguards, splints, repositioners, bleaching trays |
| Indication (EU) | Bite planes, mouthguards, nightguards, snoring appliances, splints, repositioners |
| Ultimate Flexural Strength (ISO 20795-2) | 2.6-4.4 MPa |
| Flexural Strength (ASTM D790) | 44-47 MPa |
| Flexural Modulus (ASTM D790) | 1100-1400 MPa |
| Tensile Strength (ASTM D638) | 52 MPa |
| Young's Modulus, Tensile (ASTM D638) | 1790 MPa |
| Elongation at Break (ASTM D638) | >110% |
| Shore D Hardness (ASTM D2240) | 80-85D |
| IZOD Impact, Notched (ASTM D256) | 45-48 J/m |
| Water Sorption (ISO 20795-2) | <18 µg/mm³ |
| Density | 1.0-1.1 g/cm³ |
| Viscosity | 600-800 cP |
| Color Options | Light Violet Tinted (default), Pink, Blue |
| Printer Wavelength | 385-405 nm DLP / mSLA |
| Biocompatibility | ISO 10993-1 + USP Class VI PASS |
| Regulatory | FDA 510(k) Class II, Health Canada, CE Class IIa |
| Shelf Life | Three years guaranteed at delivery |
Validated Printer Compatibility
- Carbon – M2, M3, L1 (KeySplint Soft Clear, KeySplint Hard, KeyDenture, KeyGuard)
- Asiga – MAX, MAX UV, PRO 4K, PRO 4K85
- Phrozen – Sonic Mini 4K/8K, Sonic Mighty 4K/8K, Sonic XL 4K
- Elegoo – Mars 3, Mars 3 Pro, Saturn series
- LuxCreo – iLux Pro Dental
- Shining 3D – AccuFab D1s, AccuFab L4D
- SISMA – Everes UNO, Everes ULTRA
- Zortrax – Inkspire 2
- NextDent / 3D Systems – 5100 (validated for KeyModel Ultra)
Always verify the latest validated-printer list at the manufacturer's site before printing — Keystone updates validations regularly.
Downloads & Resources
- KeySplint Soft Technical Data Sheet (TDS)PDF
- KeySplint Soft Safety Data Sheet (US)PDF
- All-Language SDS PortalWEB
- KeyPrint FAQ & Polishing ProtocolWEB
- KeySplint Soft Product PageWEB
- KeyPrint Resin Family OverviewWEB
Videos & Tutorials
Full library including KeySplint Soft polishing protocol.
KeyPrint Video Library (Polishing, Workflows)Stock the KeySplint Soft Bottle Your Lab Will Burn Through
Same-day shipping from Florida. Volume pricing for 4+ bottles. Ask about distributor terms.
Add To CartCall A SpecialistWorks With: Carbon M-Series & L1 · Asiga MAX/PRO 4K · Phrozen Sonic family · Elegoo Mars/Saturn · LuxCreo iLux Pro Dental · Shining 3D AccuFab · SISMA Everes · Zortrax Inkspire 2 · NextDent 5100. Always verify the latest validated-printer list at keystoneindustries.com before production printing.
Related Searches: Soft splint resin, flexible nightguard 3D resin, KeySplint Soft, FDA 510(k) splint resin, bruxism resin, bleaching tray resin, biocompatible methacrylate, ISO 10993 dental resin, USP Class VI splint, Asiga splint resin, Phrozen splint resin, blue splint resin, pink splint resin.