KeySplint Hard vs Soft: Purple, Clear and workflow checks
KeySplint Hard is the rigid option in Keystone Industries' splint resin family. KeySplint Soft is the flexible option, with tinted and clear versions. Start with the appliance prescribed by the clinician, then match the exact material to a validated printer and post-cure workflow. A familiar bottle name or matching light wavelength does not complete that check.
Dentcore lists KeySplint Hard, KeySplint Soft Purple and KeySplint Soft Clear. The comparison below helps a lab prepare an order without treating every KeySplint version as interchangeable.
Hard, Soft Purple and Soft Clear at a glance
| Listing | Material distinction | Check before ordering |
|---|---|---|
| KeySplint Hard | Keystone describes Hard for rigid dental splints and nightguards. | Confirm the exact Hard formulation and shade on the bottle. Keystone documents tinted and clear versions separately in its workflow pages. |
| KeySplint Soft Purple | Dentcore's purple listing identifies a tinted Soft resin. Keystone describes its original Soft material as translucent light violet. | Match the manufacturer's item number and tinted material profile. A profile for Soft Clear should not be substituted on the basis of the shared Soft name. |
| KeySplint Soft Clear | The clear version belongs to the Soft family. Clear describes appearance; it does not make the material a Hard resin. | Confirm the exact formulation, printer model and cure equipment. Avoid assuming that every clear bottle has the same workflow. |
Neither family is the automatic choice for every case. The clinician's prescription and the material's current instructions for use determine the appliance requirements. This comparison concerns material purchasing and production preparation, not a patient-specific treatment choice.
Why the full material name matters
Keystone's Soft product page currently identifies Soft Clear as item 4220161 in a 1 kg presentation. It lists the original Soft material under different item numbers. Dentcore's store SKUs are separate identifiers, so match the manufacturer item number and package size before treating an order as a direct replacement for a bottle already in use.
Some Keystone documentation discusses a specifically named Soft Clear formulation for Carbon printers. Current compatibility pages also list Soft Clear on other systems. The word Clear alone therefore cannot tell you which printer workflow applies. Use the full bottle label and current documentation for the selected printer.
For a repeat order, keep a photo of the previous bottle label alongside the printer profile name. For a new material, request that identity check before comparing bottle prices or choosing a larger package.
Read compatibility by printer model
Keystone's current Asiga page lists both tinted and clear Hard and Soft materials for the 385 nm MAX and PRO 4K. Its MAX 2 entry specifically lists Hard Clear and Soft Clear. These are separate model entries; a material shown under MAX is not blanket confirmation for every Asiga printer.
For a second example, the RAYSHAPE Shape 1+ entry lists tinted and clear Hard and Soft materials. That does not establish compatibility with another model simply because it uses the same wavelength. Confirm the selected material profile and the current software settings for your machine.
Check the cure workflow before switching shades
Printing and post-curing are separate checks. Keystone's workflow pages distinguish cure equipment and material versions, and some entries also distinguish the printer used. A setting copied from a different resin or shade is not a verified replacement.
Locate the current instructions for use and the matching validated cure process before running production. Check washing and drying requirements, the cure unit, and any specified conditions. If two documents appear inconsistent, resolve the exact material and document revision with the manufacturer before using either set of instructions. This guide intentionally does not supply a universal wash time or cure recipe.
A purchase checklist for the lab
- Confirm Hard or Soft against the prescribed appliance and current instructions for use.
- Record the full material name, shade, manufacturer item number and package size.
- Match the printer model, wavelength and material profile to the current validated workflow.
- Verify that the lab's wash and cure equipment can follow that workflow.
- Confirm current availability and delivery timing for the selected item.
Use the linked Dentcore listings to compare the materials, then provide your printer model, cure unit and current bottle label when asking for product help. Those details make a substitution or first order easier to check.
For reference only. Specifications, pricing, and availability are as of the publication date and may change without notice. Dentcore is not responsible for discrepancies. Always verify with the manufacturer before purchasing. Follow the current material and equipment instructions for use.