Dentist have a variety of radiographs available for implant diagnosis and treatment planning. These include periapical, panoramic, conventional tomography, and computer-assisted tomography.
The panoramic radiograph is the most frequently used dental x-ray for dental implant treatment and is also the least accurate. Distortion can range from 25 to 30percent.
Conventional tomography also exhibits considerable distortion and lacks the uninterrupted continuity of a three-dimensional image.
Cone Beam CT (CBCT) scanning provides the clinician the advantage of a three-dimensional image with the least distortion, an average of 0.2 to 0.5mm. Anatomic structures can be seen in their entirety without superimposition and with superior magnification, sharpness and significantly reduced distortion in relation to other radiography.
This makes CBCT a more precise diagnostic tool which provides greater clinical confidence in the placement of dental implants than convention radiography.
To read more about dental implant diagnosis and treatment planning, visit Dr. I. Stephen Brown at www.theperiogroup.com.
Friday, April 10, 2009
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