
Keystone Pro-Form Pro Splint Material · .040" · 625
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Product
- Manufacturer
- Keystone Industries
- Manufacturer #
- 9640965
- Item code
- 010-3136
Catalog path
- Marketplace
- Laboratory
- Subcategory
- Splint & Night Guard Materials
Ordering
- Status
- Ships in 3 business days
More from Splint & Night Guard Materials
Stocked in the same subcategory.

About hard splint blanks
Hard splint blanks are rigid sheets that are thermoformed over the model of the teeth to make a hard splint or night guard. A splint has to be mechanically stable to withstand high occlusal forces.
An occlusal splint is a removable appliance worn over the teeth. The device should be mechanically stable to withstand high occlusal forces, chemically stable and biocompatible. The Glossary of Prosthodontic Terms describes a night guard as a removable device, usually of hard polymethylmethacrylate, that covers the occlusal and incisal surfaces of all the teeth in one arch.
How hard, soft and dual splint materials differ
- Hard Splint Blanks — Rigid sheet for a hard splint.
- Soft Splint Materials — Flexible sheet, or a laminate with a soft inner layer.
- Soft & Dual Blanks — Soft sheet, or soft bonded to hard.
- Splint Sheets — Thin sheet for temporary splints and surgical trays.
- Athletic Mouthguard Materials — EVA mouthguard material and mouthguard laminates.
- Mouthguard Blanks — The same EVA material and laminates, filed as blanks.
- Mouthguard Sheets — The same EVA material and laminates, filed as sheets.
What to look at when choosing a splint material
Material and thickness: in a study of thermoforming foils, both the type of material and its thickness affected weight change, colour stability and elastic modulus.
Properties change in forming: one study concluded that the physical and mechanical properties of thermoplastic materials should be evaluated after thermoforming.
Size and gauge: sheets are listed by thickness, by shape (5 inch square or round) and by pack count.
Sources: Occlusal splint materials made by conventional, milled and printed methods, 2026 (PMC13110832) · The Glossary of Prosthodontic Terms, 9th edition (J Prosthet Dent 2017) · ADA, Oral Health Topics: Athletic Mouth Protectors (Mouthguards) · European Association for Sports Dentistry position statement on custom-made sports mouthguards, 2025 (PMC12056218) · Effect of thermoforming material and thickness on clear aligners, 2026 (PMC13688783) · Physical and mechanical properties of thermoplastic materials before and after thermoforming, 2018 (PMC6123073)






