A Cone Beam Computed Tomography (CBCT) scan, often referred to simply as a “CBCT scan,” is a specialized medical imaging technique used primarily in dentistry and maxillofacial applications. It is a form of computed tomography (CT) that uses cone-shaped X-ray beams to create a 3D image of the patient’s oral and maxillofacial region, which includes the teeth, jaws, and surrounding structures. Here are some key features of CBCT:

1. Cone-Shaped Beam: CBCT scanners emit a cone-shaped X-ray beam, which rotates around the patient’s head. This cone-shaped beam captures multiple images from various angles as it rotates, providing comprehensive 3D information.

2. High Resolution: CBCT scans offer high-resolution, detailed images that are especially useful for dental and maxillofacial applications. This level of detail is often not achievable with conventional dental X-rays.

3. Focused Imaging: CBCT is designed to provide detailed images of a specific region, limiting the radiation exposure to surrounding tissues. This makes it a valuable tool for dental and oral surgery, orthodontics, implant planning, and other applications.

4. Quick Scanning: CBCT scans are relatively quick, often taking only a minute or two to capture the necessary images.

5. 3D Reconstruction: The multiple 2D images taken from different angles are processed by a computer to reconstruct a 3D image, allowing dental professionals to view the area of interest from various angles.

Common uses of CBCT in dentistry and maxillofacial applications include:

– Dental Implant Planning: CBCT scans are used to evaluate bone density and quality, assess anatomical structures, and plan precise implant placement.

– Orthodontics: Orthodontists use CBCT to assess craniofacial anatomy, identify impacted teeth, and plan for orthodontic treatment.

– Oral Surgery: CBCT is valuable for planning oral and maxillofacial surgeries, such as impacted tooth extraction, jaw surgery, and cleft palate repairs.

– Endodontics: It can help in the diagnosis and treatment planning for complex root canal procedures.

– TMJ Evaluation: Temporomandibular joint (TMJ) disorders can be assessed through CBCT to study the joint’s structure and function.

CBCT is particularly advantageous in dental and maxillofacial settings because it provides detailed, 3D images that aid in diagnosis and treatment planning while minimizing radiation exposure to the patient. However, as with any medical imaging, it’s important to use CBCT judiciously and only when the benefits outweigh the associated radiation risk.