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Dentomaxillofacial Radiology, Vol 31, Issue 4 278-280, Copyright © 2002 by British Institute of Radiology

ARTICLES

Effect of over- and underexposure on the sharpness of the image of a marker in computer-assisted dental implant tomography

K. H. Thunthy
Department of Oral Diagnosis, Medicine and Radiology, Louisiana State University School of Dentistry, New Orleans, Louisiana 70119-2799, USA. kthunt@lsuhsc.edu

In dental implant tomography, a clinician typically makes several tomograms of cross-sectional and sagittal slices at and near the intended implantation site. The slice with the sharpest image of the metal marker is deemed to be the correct implantation site; the other slices with blurred images of the marker are those made either mesially or distally to the marker. However, if the images were over- or underexposed, the marker will be blurred on all the slices and a dentist may be wrongly accused of having placed a dental implant at an improper site with possible medico-legal ramifications.




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Copyright © 2002 by the British Institute of Radiology.