Custom Oral Devices That

Ship in 7 Business Days

  • Obstructive Sleep Apnea
  • TMJ Splints
  • Occlusal Guards
GET STARTED
Have you encountered poor service?

Have You Ever Encountered

Poor

Services

Excessive

Adjustments

Long

Turnaround

The True Function
Experience

At True Function, our goal is for our clients to spend less than 10 minutes on appliance delivery. Proactive communication is key to achieving that goal.

Our team of highly skilled technicians will contact you and troubleshoot any issues with impressions, bite, or appliance selection to provide the best fit for the patient.

Our 7 business day* in lab turnaround time allows your patients to begin treatment sooner.

Experience the Difference

Reduce

Stress

Reduce

Chair time

Proactive

Communication

Quick

Turnaround

Delivering Peace of mind for 25+ years.

Your lab should be a resource and not a cause of stress. At True Function, we have specialized in oral devices for 25+ years. Join the top clinicians in the industry that rely on True Function to successfully treat patients by leveraging our expertise and friendly service. You can rest assured that your patient’s cases are in great hands.

Digital

Go digital to streamline processes and reduce time. Currently accepting: 3Shape, Itero, 3M True Definition, Carestream and any open STL file.

Sleep

We are proud to offer several variations of oral devices for the treatment of mild to moderate OSA.

TMJ

Treat a pain patient, protect a patient from teeth grinding, or prepare a patient for full mouth rehabilitation. We have a wide variety of designs to choose from.

Occlusual Guards

Extensive variety of Night Guard designs and materials. You can choose from our premium milled acrylic to low cost True Comfort Splint.
Ready to send your first case and experience the True Function difference?

Get Started in

3 Easy steps

GET STARTED

STEP 1

Complete the New Account Form

STEP 2

Choose Your Appliance
 

STEP 3

Send a Case
 

The True Function Experience

What started as a small dental lab operating out of a dentist’s office has since grown to become a leading fabricator of dental appliances for the treatment of Obstructive Sleep Apnea (OSA), TMJ splints, and Occlusal guards.
Our founder envisioned creating the most hassle-free laboratory for clinicians offering modern high-tech fabrication while staying true to old-fashioned customer service.
We invite you to look into our selection of Sleep Apnea and TMJ devices and let us be your partners for your next case.

FDA Cleared, Made in America

Client Testimonials

Allen Jones, DDS, MSTorrance, CA
"...they are fantastic, I'm very thankful for all the great quality work and effort True Function puts into their devices. My last 2 cases were slam dunks! Appreciate all the attention to detail, fit and bite were perfect."
Josh Chapman, DMDSouth Charleston, WV
"True Function milled appliances are worth the price. I feel good presenting them to my patients."
Dr. Robert RandolphSolana Beach, CA
"Humbled and honored to work alongside you and your team, you come highly recommended."
Dr. Victoria ShklovskyBrooklyn, NY
“Your devices are pure quality. I don’t have to adjust anything. They are just awesome, I love them."
Dr. Neal ShahAtlanta, GA
“Impressed by the recent nightguards and Farrar’s I received, amazed you are able to deliver high quality products in a short turnaround time.”

Our Dental Lab

7851 University Ave Suite 103
La Mesa, CA 91942

True Function

Appliances

FDA Registered Lab

All appliances are prescription only and are customized by True Function Lab to dentist specific instructions.

© Copyright 2025  True Function Laboratory, Inc

*At True Function, we pride ourselves on having one of, if not the quickest turnaround times in the industry, which allows your patients to begin treatment sooner.

As part of our commitment to providing the best service and quality to our valued customers, please be aware that our device fabrication takes 7 business days to complete assuming we have everything needed to begin fabricating the best fitting device.  Any communication delays such as, doctor requests call, bite issues, distortion issues, retention concerns, missing information or physical records, etc. will result in additional in lab time. 

Thank you for your continued support as we strive to ensure top-notch quality in everything we do. If you have any questions or need further assistance, please do not hesitate to contact our customer service team at 877-887-8522 or in**@**********on.com.

Send A Case

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