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An Overview of Computer Tomography and Its Applications


									An Overview of Computer Tomography and Its

Disease diagnosis has become an easy procedure with introduction of scanners. The technique became popular due
to the fact that conditions that cannot be detected with usual blood tests and conventional practices can be easily
identified and effectively treated. Most of the scanners implement the image processing technique which helps in
the detailed analysis of remotely visible body parts. Serving different purposes Computer Tomography or CT scan
stands apart.

CT scanners has a large machine's appearance with a hole in the center. There is a movable examination table for
sliding the patient towards the machine tunnel. X-tubes and electronic detectors are attached to the center portion
of the equipment. The computer and the related processor, which is usually of digital signal type is kept and
monitored in another room.
CT scans are used to produce a three dimensional image of the object of examination. The image may be
accompanied with diagnostic information and allied data that can be stored in the computer. The data
manipulation is also known as windowing. Usage of CT scan is also associated with archeological testing and
mechanical analysis.

Looking more into the medical field, it can be seen that CT scanners are widely used for diagnosis of cancer,
vascular diseases, bone and spine injury detection, cardiac examination, dental implantation etc. The main
advantage with the scanning is that it can be equally done with people of all ages ranging from kids to extremely
old people.

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The cost of CT scans varies with purpose and type. There are two type of scanners as the cheaper or the whole
body scanner and the expensive diagnostic type. The cost for former category is around $300 to$700. Many whole
sale firms offer discounts in this. But going for the expensive type, the CT scanner prices can range up to
thousands of dollars. The price hikes up with necessity for multiple-body part scanning. The cost is higher in
hospitals and highly advanced clinics.

The application of CT scans for dental implants is a recent trend and it is often it is employed in cases where the
implantation is complicated one. It helps the dentist to visualize the 3D image of the jaws and other oral parts. CT
scans for dental implants is useful enough to measure the width of smallest bones. Another prominent advantage is
its ability for virtual surgery. The facility helps the doctor to perform the surgery on computer first and helps in the
easy analysis of important nerves, arteries and sinuses.

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