Calculated Cone Beam Tomography Scan

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This is a lot of words for a technology that actually turns out to be quite simple. It is possible to learn about each term in the name and understand how it works.

Cone beam computed imaging is often abbreviated to CBCT.

Computed Tomography (CT Scan)

Let's begin by talking about something you might have heard of, or experienced. A CT scan is a way to understand this system. It's possible you have never been explained what a CT scan is, or the meaning of certain words. We will break it down.

Tomography

A method to create a three-dimensional image inside the body. Tomo is a Greek word that means section. Graphy is the art of writing or picturing something in a specific way. This includes photography. Tomography allows detailed imaging of any part of the body.
Computed Tomography

This is where a machine that takes three-dimensional images can be connected to a powerful computer to store and retrieve a large amount of digital data. You can record thousands of images, which can then be viewed individually or combined into a model for a particular body part.
CT Scan

The computer and the imaging machine work together to create a detailed radiography. Radiology is the art of creating images of the inside using very small radiation exposures. Another form of radiography is the x-ray. An x-ray cannot shine radiation from all parts of the body. CT scans can be used to isolate any part of the body from any depth and allow for close examination. A cross-section is the name given to each of these tiny slices. You can combine multiple cross-sections to create a 3-D model of any part.

A doctor can look for abnormalities in muscles or bones, ligaments, and organs if you have had a CT scan. An x-ray might not be able detect an intestinal blockage. A CT scan, however, can be used to diagnose an intestinal blockage.

Cone Beam

Cone beam CT is a special type of CT that can be used to diagnose and perform dental examinations. Once the imaging is captured, your dentist will be able to view detailed images of your tooth, soft tissues, nerve pathways, bone and other structures. They can also move this image around as if they had a 3-D model of your jaws, teeth and face. They can view your facial bones from all angles, including the top, back, bottom and top, or any part of your bones.

It is called a cone beam CT because it uses x-rays to take the images. The cone-shaped x-ray beam used to take the images has the shape of an X-ray beam. This cone-shaped xray beam rotates around the head as a CBCT scan is taken. The cone's wide end points at your face. The computer takes 150 to 200 high resolution images, which are then assembled into a three-dimensional model by the computer that your dentist can use for diagnosis and examination.

Benefits of Dental Cone Beam Computed Tomography

Arverne Dental insists on providing the best possible care for every patient. This quality care is possible only by a precise diagnosis. Cone beam computed tomography is the only method that can give dentists this level of precision. Cone beam CT offers this most important benefit.

Cone beam CT has a number of specific uses:

How to identify abscesses at the root of your teeth
Cysts and tumors can be detected
Detecting fractures in the roots
Recognize areas where tooth roots are being resorbed
Root canal therapy requires that you map the exact shape and depth to your roots
Before dental implants can be placed, it is important to verify the bone's soundness
Wisdom tooth problems or inflammation of the pulp of the teeth can be diagnosed

What does a Dental Cone Beam Computed Tomography Scan show?

A collage of three images of a skull and teeth.

Arverne Dental can show you the details of these structures once a dental cone beam CT is completed.

The bones of the upper jaw and lower jaw
The inside and outside of your teeth
Muscles
Blood vessels
Nerves, nerve channels
Glands
Sinuses
Airway, including nasal cavity and pharynx
Tongue
Temporomandibular joint & cartilage

Cone beam CT greatly improves the precision of dental treatment.

Radiation Exposure

Modern imaging systems are much less likely to expose patients to radiation than older systems. Cone beam CT systems are carefully selected to minimize radiation exposure to patients. However, they provide precise imaging that allows us to deliver excellent care.

The radiation dose received from a cone beam CT machine's x-ray source is approximately equal to the radiation absorbed by the human body over two weeks. Because radiation is always present in all environments, it's not surprising that this happens. This radiation is known as background radiation.

Our dental cone beam CT system is only used when absolutely necessary. This allows us to know exactly what treatment is required so that we can treat any problem.

How We Use Dental Cone Beam CT at Arverne Dental

These are just a few examples of instances when a cone beam CT was essential for our diagnosis and treatment.

Tooth Anomalies

Some teeth have extra roots, some teeth have crooked roots. Some roots are even wrapped around nerves! Before we perform root canal therapy or extract a tooth, we must know exactly how the roots are shaped.
Dental Implant Preparations

The bone in the area that is to receive an implant must be sound and firm. If any infection is left behind after a tooth has been extracted, that infection must be addressed and the bone must heal fully.
Sinus Lifts

Before placing any dental implants in the upper jaw, we must be certain that the maxillary bone (upper jaw) is thick enough. If it is thin (especially in the back of the mouth), placement of a dental implant can perforate the sinus. A sinus lift would be required to thicken this bone and move the floor of the sinus out of reach of the implant.
Impacted Teeth

A cone beam CT provides precise imaging to guide the surgical extraction of impacted teeth while avoiding damage to glands, nerves and blood vessels.
Temporomandibular Joint

If a patient complains of facial, jaw or neck pain, this pain could be coming from the TMJ, especially if the patient has clicking or snapping in the jaw or the jaw is stiff or the mouth can’t be fully opened or closed. A cone beam CT will enable us to precisely perceive the condition of the TMJ.
Orthodontic Planning

Before starting orthodontic treatment, a cone beam CT will provide detailed information on root positions that may need to be shifted to accomplish an excellent and lasting result.

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We are happy to share our new world of dental technology with you in Rockaway Beach, New York. Our friendly staff will also be glad to help you. Call us to make an appointment for expert diagnosis and treatment the next time you are in need: (718) 945-9500.