3D Imaging

Cone Beam Imaging: The Future of Dental Imaging Technology

Roam Dental in Shelby Township uses in-office Cone Beam CT (CBCT) 3D imaging to plan implants, extractions, and complex treatments with submillimeter accuracy — no outside imaging center, no referral, no extra appointment. Dr. Virgil Barbu and our team rely on CBCT to visualize teeth, jawbone, nerves, and sinuses from every angle before recommending treatment, so patients from Shelby Township, Utica, Sterling Heights, and across Macomb County get faster diagnoses and safer outcomes. CBCT is essential for dental implant placement, wisdom tooth evaluation, TMJ diagnosis, and root canal planning. Schedule a consultation or call (586) 500-7647 to see how 3D imaging improves your care.

CBCT cone beam dental imaging machine
Advanced Technology

What Is Cone Beam CT 3D Imaging?

Cone beam computed tomography (CT) is a specialized x-ray machine used when regular dental or facial x-rays are insufficient. While not used routinely due to increased radiation exposure compared to regular dental x-rays, cone beam CT generates highly detailed 3-D images of dental structures, soft tissues, nerve paths, and bone in the craniofacial region in a single scan. This allows for precise treatment planning, similar to conventional CT imaging.

Unlike conventional CT, dental cone beam CT uses a smaller, less expensive machine that can be placed in an outpatient office. While cone beam CT provides detailed images of the bone, it is not as effective as conventional CT in evaluating soft tissue structures such as muscles, lymph nodes, glands, and nerves. However, it does offer lower radiation exposure, making it a safer option for patients.

Applications

What Are Some Common Uses of the Procedure?

Dental cone beam CT is commonly employed to aid in the treatment planning of various dental issues. It is especially useful in more complex cases that involve:

  • Surgical planning for impacted teeth
  • Diagnosis of temporomandibular joint disorder (TMJ)
  • Accurate placement of dental implants
  • Evaluation of the jaw, sinuses, nerve canals, and nasal cavity
  • Detection, measurement, and treatment of jaw tumors
  • Determination of bone structure and tooth orientation
  • Identification of the origin of pain or pathology
  • Cephalometric analysis
  • Reconstructive surgery
Before Your Scan

How Should I Prepare?

Preparation for a cone beam CT examination is simple and straightforward.

Before the procedure, you will need to remove any metal objects that may interfere with the imaging, including jewelry, eyeglasses, hairpins, and hearing aids. While removable dental work may also need to be taken out, it is recommended to bring them to your examination as your dentist or oral surgeon may need to examine them.

For female patients, it's crucial to inform your dentist or oral surgeon if there is any chance that you might be pregnant. Otherwise, there is no special preparation required for the examination.

CT scan dental x-ray results
What to Know

What Are the Advantages vs. Risks?

Advantages:

  • Cone beam CT produces high-quality images due to the focused x-ray beam, reducing scatter radiation.
  • A single scan provides a comprehensive evaluation of the area of interest, with multiple views and angles that can be manipulated.
  • Cone beam CT scans provide more precise treatment planning compared to conventional dental x-rays.
  • CT scanning is accurate, noninvasive, and painless.
  • CT scanning can simultaneously image bone and soft tissue.
  • There is no residual radiation left in the body after a CT exam.

Risks:

  • Although the immediate side effects are negligible, there is always a slight risk of cancer from excessive radiation exposure. However, the benefits of an accurate diagnosis usually outweigh the risks.
  • Children are more sensitive to radiation and should only have CT exams if necessary. Repeated CT exams should be avoided, and low-dose techniques should be used for children.
Our Clinical Approach

CBCT 3D imaging is reserved for cases where 2D x-rays cannot provide enough information for safe treatment. For implants near the inferior alveolar nerve, impacted wisdom teeth, TMJ evaluation, and complex pathology, the 3D detail prevents surgical errors that would be far more costly to correct later.

At Roam Dental, low-dose settings and smaller fields of view are used whenever clinically appropriate — especially for children — to minimize radiation exposure while maintaining diagnostic quality.

Reviewed by Dr. Virgil Barbu, DDS · Roam Dental, Shelby Township, MI

Why Choose CBCT

Benefits of 3D Cone Beam Imaging

Advanced CBCT technology provides diagnostic capabilities that traditional x-rays simply cannot match:

Comprehensive 3D View

See teeth, bone, nerves, and sinuses from every angle — far more diagnostic information than conventional 2D x-rays can provide.

Low Radiation Dose

Our CBCT unit is designed for dental use and delivers a fraction of the radiation of a medical CT scan, making it safe for regular diagnostic use.

Precise Implant Planning

your dentist uses 3D bone maps to place implants in the optimal position, avoiding nerves and sinuses for safer surgery and better long-term results.

Identifies Hidden Issues

CBCT reveals cysts, infections, root fractures, and bone loss that are invisible on standard x-rays — enabling earlier intervention and better outcomes.

Fast In-Office Results

No referral to an outside imaging center. Your scan is performed, processed, and reviewed with your dentist at the same appointment — saving you time.

3D imaging is the foundation of precision dentistry at Roam Dental. Whether you are considering implants, wisdom tooth removal, or need a complex diagnosis, CBCT imaging gives your dentist the complete picture needed to plan your care with confidence.
Is This Right For You

Is 3D Imaging Right for You?

3D Imaging is a good fit if you are:

  • Patients considering a dental implant
  • Patients with impacted wisdom teeth near the inferior alveolar nerve
  • Patients with unexplained jaw or facial pain
  • Orthodontic cases involving impacted or unerupted teeth
  • Root canal re-treatment or suspected missed canals
  • Evaluation of cysts, tumors, or bone pathology

This may not be the right option if:

  • Pregnant patients (unless emergency necessity)
  • Patients who need only routine cleaning or single-tooth evaluation
  • Young children (unless clinically essential)
Step By Step

What to Expect During Your 3D Imaging Visit

Here is exactly what happens at your appointment at Roam Dental. Knowing each step makes the experience far less intimidating — and lets you relax knowing what comes next.

  1. 1. Positioning. You'll sit upright (or stand) with your chin resting gently on a support. The machine rotates slowly around your head — you'll hear a soft whirring, but nothing touches you.
  2. 2. Scan. The cone-shaped x-ray beam captures the region of interest in 10–40 seconds. You simply stay still and breathe normally. No injections, no gel, no discomfort.
  3. 3. Review. Dr. Barbu pulls up the 3D scan on screen immediately and walks you through what he sees — bone depth, nerve position, any pathology. You can literally watch him rotate your own jaw in 3D.
  4. 4. Treatment planning. Using the scan, Dr. Barbu maps out the exact plan — where an implant will go, how deep, at what angle. No guessing, no surprises in surgery.
Your Options

CBCT vs 2D Dental X-Ray

Here is how 3D Imaging compares to the main alternatives. Dr. Barbu reviews all options with every patient at Roam Dental so you make the best-informed decision for your situation.

Feature2D Digital X-RayCBCT 3D Imaging
Dimensions captured2D (flat)3D (volumetric)
Radiation doseVery lowLow
Bone volume measurementEstimate onlyPrecise (submillimeter)
Nerve position mappingNot visibleClearly visible
Scan timeSeconds10–40 seconds
Best useRoutine cavities, gum levelsImplants, impactions, TMJ, pathology
Common Concerns

Common Concerns About 3D Imaging

These are the questions patients at Roam Dental ask most often before committing to treatment. Dr. Barbu addresses each one honestly at your consultation.

"CBCT sounds expensive and unnecessary for routine dentistry"

CBCT is only ordered when the diagnostic benefit justifies the cost and exposure — never for a routine cleaning. For implants, extractions near nerves, and unexplained jaw pain, the 3D detail prevents surgical mistakes that would cost far more to fix.

"I'm worried about radiation exposure"

A dental CBCT delivers a fraction of the radiation of a medical CT scan — often comparable to a few days of natural background radiation. Dr. Barbu uses the lowest effective dose and smaller field of view whenever possible.

"Can't a regular x-ray tell you the same thing?"

For simple cases, yes. But 2D x-rays only show two dimensions, so bone depth, nerve position, and root curvature are invisible. CBCT reveals all three dimensions — critical when a millimeter matters.

What to Know

Risks and Considerations of 3D Imaging

Every procedure has tradeoffs, and transparent conversation about them is part of informed consent. Dr. Barbu reviews these at your consultation and answers every question before treatment begins.

  • Very low dose of radiation exposure (far less than medical CT)
  • Not typically used for children unless clinically necessary
  • Metal restorations or implants can create scatter artifacts on the image
Common Questions

Frequently Asked Questions About Cone Beam CT 3D Imaging

CBCT 3D imaging provides a much more detailed view of a patient's teeth, jaws, and facial structures than traditional dental X-rays. It produces high-resolution, three-dimensional images that can be viewed from any angle.

No, CBCT 3D imaging is a painless procedure. The patient simply needs to sit or lie still while the machine rotates around their head.

A CBCT 3D imaging procedure typically takes between 10 and 40 seconds, depending on the area being imaged.

Yes, children can have CBCT 3D imaging. However, the dose of radiation used is lower for children than for adults.

Yes. Roam Dental in Shelby Township offers in-office CBCT 3D imaging to patients across Shelby Township, Utica, Sterling Heights, Clinton Township, and Macomb County. Schedule an appointment or call (586) 500-7647.

Many dental insurance plans cover CBCT scans when they are medically necessary for treatment planning — such as implant placement, impacted teeth, or surgical evaluation. Coverage varies by plan. Our team will verify your benefits before the scan and discuss any out-of-pocket cost during your consultation.

A dental CBCT scan delivers significantly less radiation than a medical CT scan — often comparable to a few days of natural background radiation from the environment. Dr. Barbu orders CBCT only when the diagnostic benefit outweighs the radiation exposure, and low-dose settings are used for children and smaller fields of view.

Yes. If you are referred to a specialist or want a second opinion, we can provide your CBCT images on a CD, USB, or through a secure digital transfer. Just let our front desk know and we will prepare the files for you.

Medical Disclaimer

This content is for informational purposes only and does not constitute dental or medical advice, diagnosis, or treatment. CBCT 3D imaging involves low-dose radiation exposure and should only be performed when the diagnostic benefit outweighs the risk, as determined by your dentist. Consult Dr. Virgil Barbu or a qualified dental professional regarding any questions about your oral health. Individual results may vary.

Advanced 3D Imaging for Precise Dental Care

Contact our office to learn how cone beam CT 3D imaging can improve your diagnosis and treatment planning.