Cone Beam Computed Tomography (CBCT)

Cone Beam Computed Tomography (CBCT) is an imaging technology that allows a three-dimensional view of our teeth, jaws, and surrounding structures. It has revolutionized dental imaging since traditional 2D X-rays are insufficient in many diagnostic situations. CBCT provide 3D images that can aid in diagnosis and treatment planning. This technology has been a key component for procedures such as implant planning, endodontics, as well as orthodontics.

CBCT is employed to provide a more accurate diagnosis, reduced the risks of treatment, and a more satisfactory result. Aids in the assessment of complex structures, surgery planning, and detection of recessive pathologies with its 3D comprehensive visualizations. Reducing ambiguity in the imaging renders it invaluable in higher-stakes procedures like dental implants and corrective surgeries.

CBCT scans are helpful for individuals undergoing extensive dental procedures like orthopedic procedures, root canal treatment, or implant placement. Such a device is particularly useful for people with atypical dental morphologies, impacted teeth and temporomandibular joint (TMJ) problems. To put it differently, anyone who needs detailed dental diagnostics should keep this imaging option in mind.

Various CBCT machines have varying FOV (field of view) capabilities.

• The devices that provide a narrow FOV, concentrating on one particular tooth or area is great for endodontic evaluations.
• Others facilitate a complete jaw scan, ideal for implant planning and orthodontic evaluations.
• Newer machines have also increased the resolution of images, while cutting down on the time it takes to scan patients, improving diagnostic accuracy even further.

CBCT is a non-invasive and uncomplicated procedure.

• The patient is positioned either seated or standing up, as the scanner wraps around the head, generating a cone-shaped beam of X-rays.
• That beam takes multiple images from various angles, and specialized software reconstructs them into a detailed 3D model.

The whole process usually takes just a couple of minutes.

The following are some of the main advantages of CBCT:

• High resolution imaging: Detailed 3D visualisation.
• Precise diagnostic: Improves discovery of dental and maxillofacial problems.
• Reduced radiation: Significantly less radiation than that used in conventional CT scans.
• Efficient planning: Increases success in procedures such as implant placements and root canals.

Such benefits lead to increased patient safety and heightened treatment accuracy.

Unlike conventional X-rays, CBCT allows for more precise visualization of dental structures.

• With its better image quality and reduced radiation exposure, it outperforms traditional CT scans and two-dimensional imaging techniques.
• It not only helps in accurate diagnosis but also reduces the risk of possible complications during treatment.

A CBCT scan itself only takes minutes to complete, but the diagnostic quality of the images last forever. This imagery is permanently stored in the patient’s dental records and can be reviewed for future treatment. The CBCT equipment itself is designed for longevity and, with proper maintenance, can continue to produce high-quality images for many years.

As for the scanning process, it only lasts for 10 to 30 seconds, depending on the field of view. With patient prep and image processing, the appointment is usually only 15 to 30 minutes. This short time interval makes CBCT a useful functional tool for both patients and dental specialists.

The price of CBCT scan in India usually varies between approx. INR 3,000 to INR 10,000. Costs vary depending on the complexity of the scan, the machine’s resolution, and the geography of the dental facility.

The radiation dose is lower compared to conventional CT scans, but there is still importance in following proper safety protocols. Dental artifacts, particularly those caused by metallic restorations, and incidental findings that will need additional assessment are occasionally observed. When used judiciously, the numerous benefits outweigh the possible risks.

CBCT is highly effective but has limitations:

• Cost: It is pricier than conventional dental X-rays.
• Soft tissue imaging: Compared with MRI, CBCT has limitations for soft tissue analysis.
• Artifacts: There are times that subtle movement or metal artifacts degrade image fidelity.
• Accessibility: It is not always possible to access it, especially in rural/less equipped areas.

Its sophisticated diagnostic potential is one of the factors that drive higher choice of use in complex scenarios, despite of these limitations.

Alternative imaging techniques are:

• Conventional X-rays (Panoramic/Periapical): Offer 2D images without the depth.
• CT Scans: High doses, high cost, 3D images.

Though these alternatives fulfill limited requirements, their accuracy and efficacy in dental diagnosis pales in comparison with CBCT.

Since CBCT is a diagnostic procedure, no special aftercare is needed. Patients may return to regular activities immediately. Your dentist will walk you through any follow-up procedures or care protocols if required.