Removables
Thermoformed Splints
Thermoformed splints are one of the most widely used nightguard options — lightweight, clear, and easy for patients to adapt to. While there are many ways they can be made, not all are equal.
At Derby, every thermoformed splint is manually crafted, then shaped using high quality thermoplastic materials selected for clarity, durability, and comfort. This ensures a predictable fit — whether the case begins from a traditional impression or an intraoral scan.
We offer three style variations:
- Soft: Maximum comfort for sensitive patients
- Hard-Soft: A balanced option combining comfort with bite stability
- Hard: A rigid option when durability and protection are the priority
When It Makes Sense
Bruxism + Clenching
For mild to moderate bruxism or clenching.
Restoration Protection
Helps protect existing restorative work.
Occlusal Stabilization
Supports improved occlusal stability.
Low-Profile Comfort
Ideal for patients who prefer a thin, low-profile appliance.
Transitional Use
Well suited for short-term or transitional cases.
Future Upgrade Path
A practical option before upgrading to a printed or milled solution.
Why Derby
Manually crafted by trained technicians
These splints are not auto-generated — each one is formed, trimmed, and polished by a technician who understands how they should feel in the mouth.
Accurate models from scans or impressions
Whether the case starts from an intraoral scan or a traditional impression, we create a precise working model before thermoforming to improve fit and retention.
Material options that match real-world use
Soft, hard-soft, and hard options let you match comfort, protection, and wear patterns to the patient. Offered in clear, green, blue or pink colors.
Clear, smooth, and comfortable finish
Edges are hand-finished and polished so the appliance feels smooth and is easier for patients to wear.
Straightforward remakes when needed
When scans or models are on file, remakes are simplified if a splint is lost, damaged, or needs to be replaced within 12 months.
Turnaround
Standard turnaround: 5 days in lab
Not eligible for express due to manual processing steps
Production Phases
Step 1
Records + Submission
Step 2
Model Preparation + Planning
Step 3
Thermoforming + Trim
Step 4
Delivery + Fit Check
Step 5
Maintenance + Reorders
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FAQ
How durable are thermoformed splints?
Durability depends on the selected material and the patient’s habits. Hard materials resist wear longer.
Are these long term appliances?
They are effective and comfortable, though patients with heavy parafunction may eventually benefit from a printed or milled splint.
Do these work with digital scans?
Yes — we fully support digital workflows.
Can they be remade if the patient loses it?
Yes. Remakes are simple when the original file is on record.
Which material should I choose?
Soft for comfort, hard soft for balance, or hard when strength and protection are the priority.
What’s the difference between Y3, Y4, and Y5?
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Related Products
KeySplint Printed Bite Splints
Comfort that adapts. Strength that lasts.
Milled PMMA Bite Splints
A rigid, crystal-clear splint designed for comfort and predictable protection.
