 Why do we need a Cone Beam CT (CBCT) scanner? |
X-rays have been a vitally important diagnostic tool in dentistry for over 100 years and nowhere more so than in the field of endodontics. The processed image allows us to see many things about the tooth that help with diagnosis and treatment. The problem with a conventional x-ray image, whether it is film or digital, is that image is only a two dimensional representation of a complex three dimensional object. We look for subtle changes in the picture to help establish a diagnosis. These changes are not always apparent and pathological changes can remain hidden for a number of reasons. |
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| How is CBCT better than conventional radiography? |
CBCT provides an additional layer of vital information by taking a series of slices in all three dimensions. All images are viewed progressively through the tooth, not only in the same plane as a conventional x-ray image but additionally in the vertical bucco-lingual plane (outside to inside) and in the horizontal plane. The composition of such images allows for a three dimensional mapping of the tooth and surrounding bone. This means that changes can often be seen that would otherwise not be seen on a conventional x-ray image ( see CBCT examples). Often pathological shadows and root fractures are picked up on CBCT that cannot be seen on a conventional image. This means that a correct diagnosis can be made without the need to carry out any invasive investigations. |
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| How high is the dose of radiation with CBCT? |
Convention medical and many of the dental scanners do produce a large dose of radiation. However the Morita Accuitomo scans no more than two or three teeth and the radiation dose is only very slightly higher than a conventional film x-ray. |
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| Are all CBCT scanners the same? |
No, for endodontics where we need the highest possible resolution to see subtle changes in the tooth and bone, the Accuitomo is ideal. It has a small volume scan that shows the detail necessary to help achieve an accurate diagnosis. Other dental scanners with a larger volume scan are more popular for implants. |
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| Is the scan required in every case? |
No, very often a clinical examination and a digital image x-ray will be sufficient to establish a correct diagnosis. We only refer patients for a scan where there is an indication to do so after a normal examination has been carried out. |
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| Do I need to make an appointment for a scan? |
No, a ‘walk in’ service is provided between the hours of 9am and 5pm Monday to Friday, with the report delivered within 8 hours. Contact us |
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| How much does a CBCT scan cost? |
Patients are charged by the Imaging Centre at a current cost of £65. The practice makes no extra charge for preparing the radiological report, which can be quite time consuming. |
