Cone beam imaging in New York City, NY, provides detailed, three-dimensional views of your teeth, jaws, nerves, and sinuses. At SmileSpace™, patients can expect clear, precise imaging that supports accurate diagnoses and treatment planning. This page explains what cone beam computed tomography (CBCT) is, why it is used, and what happens before, during, and after a scan.
Cone Beam Imaging Explained
Cone beam imaging, also called CBCT, is a specialized type of dental CT scan. It uses a cone-shaped X-ray beam and a rotating scanner to capture hundreds of images in seconds. Software combines these images to create a 3D model of your oral and facial structures. Unlike a two-dimensional panoramic X-ray, CBCT shows depth, position, and relationships between teeth, bone, nerves, and sinuses.
CBCT is often recommended for dental implants, root canal evaluation, orthodontic assessment, impacted teeth, jaw joint concerns, and complex extractions. The enhanced detail helps guide safer, more predictable treatment.
Benefits of Cone Beam Imaging
- Comprehensive 3D detail for precise diagnosis and planning.
- Improved implant placement by visualizing bone volume and nerve location.
- Better root canal assessment with clear views of canals and hidden fractures.
- Accurate evaluation of impacted teeth and their proximity to vital structures.
- Targeted imaging that focuses on the area of interest to limit exposure.
- Efficient appointments with scans that take only seconds.
How Cone Beam Imaging Works
During a CBCT scan, you will stand or sit while the scanner rotates around your head. The scan typically takes 10 to 20 seconds. The device emits a cone-shaped beam that captures data from many angles. A computer reconstructs this data into high-resolution 3D images and cross-sectional slices. dentist can then evaluate teeth, bone density, nerve pathways, and sinus anatomy from any direction.
CBCT uses more radiation than a single small dental X-ray but significantly less than a medical CT. The field of view is tailored to your needs to keep exposure as low as reasonably achievable. Lead shielding is used when appropriate.
When a CBCT Scan Is Recommended
- Dental implants: measuring bone height and width, locating nerves, and planning implant angles.
- Root canal therapy: identifying extra canals, apical lesions, resorption, or root fractures.
- Impacted teeth: mapping exact position relative to adjacent roots or the nerve canal.
- Orthodontics: evaluating tooth position, airway, and jaw relationships.
- Temporomandibular joint concerns: assessing joint spaces and bony changes.
- Sinus and jaw pathology: detecting cysts, lesions, or sinus involvement.
Patients often ask about CBCT vs panoramic X-ray. A panoramic image is a quick 2D overview, useful for routine screening. CBCT adds 3D accuracy and is chosen when more information is necessary to guide care.
What to Expect
Before your scan, you may be asked to remove glasses, earrings, removable dental appliances, and other metal objects. No special diet or medication changes are typically required. Let the team know if you are or might be pregnant.
During the scan, you will stand or sit still while the machine rotates. You will not feel the X-rays. The scan is quiet and fast. A bite block or chin rest may be used to stabilize your head for clarity.
After the scan, normal activities can resume immediately. The images are reviewed and discussed with you. Our dentist will explain how the findings affect your treatment plan, whether that is implant placement, endodontic treatment, orthodontic care, or another procedure.