
Technology
Advanced Imaging for Dental Sleep Apnea Diagnosis
Sleep apnea isn't something you should have to live with — and it shouldn't be treated with guesswork. At Sleep Well East Tennessee, we are a dedicated dental sleep medicine practice that accepts Medicare, VA benefits, and most commercial insurance. Our approach begins with precision diagnostics: we use cone beam CT dental sleep apnea imaging to create a complete, three-dimensional picture of your airway and jaw structure. That level of detail makes all the difference in designing an oral appliance that actually works for your anatomy.
Why Diagnostic Imaging Matters in Dental Sleep Medicine
You can't treat what you can't see. When it comes to sleep apnea, the standard two-dimensional X-ray only shows part of the story. Your airway is a complex, curved passage — and the way it narrows or collapses during sleep is unique to you. Without a full view, any treatment plan is an approximation. Diagnostic imaging changes that.
What a Cone Beam CT Scan Reveals About Your Airway
A cone beam CT (CBCT) scan is a compact, low-dose 3D X-ray that captures your entire upper airway, nasal passages, sinuses, jaw joints, and teeth in a single scan. Unlike a standard medical CT, the radiation exposure is significantly lower. With the cone beam CT for sleep apnea data, Dr. Chris Lee can measure the exact dimensions of your airway, identify the narrowest point of collapse, and see how your jaw position affects airflow. This information is the foundation of every custom oral appliance we design.
How 3D Dental Imaging Guides Sleep Apnea Treatment Planning
The 3D model from your CBCT scan allows us to simulate jaw positioning before fabricating your appliance. We can determine the precise amount of forward movement needed to keep your airway open without placing strain on your jaw joints. This eliminates the trial-and-error that can happen when appliances are fitted using only impressions and best guesses. The result: a treatment plan that is tailored to your unique anatomy from day one.
The Technology We Use and What It Does for You
Every piece of technology in our practice is chosen for one reason: it helps us deliver a more accurate, more comfortable, and more effective treatment experience. Here is what we use and how it benefits you.
Cone Beam CT (CBCT) — Full Airway and Jaw Visualization
Our cone beam CT dental sleep apnea imaging system captures hundreds of images in a single rotation, creating a 3D dataset that can be viewed from any angle. This allows us to evaluate airway volume, identify obstructions, and plan appliance therapy with surgical precision. For patients with complex anatomy or a history of CPAP intolerance, this step is non-negotiable.
iTero Digital Impressions — No Trays, No Mess
Traditional impressions involve trays filled with gooey material that can trigger gagging and discomfort. iTero digital impressions use a small handheld scanner to capture thousands of images of your teeth and gums in seconds. The result is a highly accurate digital model that transfers directly to our lab — no distortion, no remakes, and a more comfortable experience for you.
Digital X-Rays and Panoramic Imaging in Sleep Medicine
Digital X-rays provide immediate, high-resolution images of your teeth and jaws with up to 90% less radiation than traditional film. Panoramic imaging gives a broad view of your entire oral structure, including the temporomandibular joints and sinuses. These images help rule out other issues that may affect your sleep, such as TMJ disorders or dental infections.
Intraoral Cameras and Nomad Portable X-Ray
An intraoral camera lets us show you exactly what we see — taking the mystery out of diagnosis. For patients who have difficulty with traditional X-rays or need imaging in a specific area, the Nomad portable X-ray system allows us to capture a high-quality image without requiring you to sit in a separate room. It’s part of our effort to make every visit as convenient and comfortable as possible.
From Scan to Custom Appliance — How It All Connects
Diagnostic imaging is not a separate step; it is the thread that runs through every phase of your treatment. Once we have your CBCT scan and digital impressions, Dr. Chris Lee uses specialized software to merge the two datasets. This creates a single, interactive model that shows exactly how your appliance will fit and function in your mouth. The appliance is then fabricated from medical-grade materials, designed to hold your jaw in the optimal position to keep your airway open while you sleep.
This process is why our oral appliance therapy is a proven CPAP alternative — and why patients from Lenoir City, Loudon, Maryville, and throughout East Tennessee choose a practice dedicated solely to sleep medicine. We don’t offer appliances as an afterthought; we offer them as a precision solution.

Frequently Asked Questions
Everything you need to know about comfortable oral appliance therapy, CPAP alternatives, and snoring solutions in East Tennessee.
What is a dental CBCT scan and do I need one for sleep apnea?
A dental CBCT (cone beam computed tomography) scan is a compact, low-dose 3D X-ray that gives your provider a complete view of your airway, sinuses, jaw joints, and teeth. For sleep apnea treatment, it is often essential because it allows precise measurement of your airway dimensions and helps design an oral appliance that keeps your airway open all night.
Are digital impressions more accurate than traditional molds?
Yes. Digital impressions, like those taken with iTero, capture the exact contours of your teeth and gums with microscopic precision. They eliminate the gagging and discomfort of putty molds and provide a more consistent fit for your custom oral appliance.
Is 3D dental imaging covered by insurance for sleep apnea?
Coverage depends on your plan. Many commercial insurance policies, Medicare, and VA benefits include diagnostic imaging as part of sleep apnea treatment. Our team will verify your benefits and walk you through the process — no surprises. Learn more about insurance and financing options.
What happens if I skip the diagnostic imaging step?
Skipping imaging means your provider has to guess the exact shape of your airway and jaw alignment. That often results in an oral appliance that doesn't fit well, doesn't hold your airway open effectively, or causes jaw discomfort over time. The imaging step is what separates truly effective custom treatment from a one-size-fits-all approach.
Have more specific questions? Speak with our sleep experts

Ready to Finally Sleep Through the Night?
Schedule a consultation and discover whether oral appliance therapy is the right solution for you. Your first visit includes a personalized sleep evaluation, treatment options review, and insurance verification.