| چکیده انگلیسی مقاله |
Xeroradiography is a modern imaging method that can aid diagnosis of oral, dental and maxillofacial lesions, treatment planning and follow-ups. It has been used since 1970 in medical field and has entered dentistry in 1980 after some modifications. In this technique, x-ray is used with no need to developing and fixing radiographs, negatoscope and dark rooms. A selenium sheet is used in this method that is constantly charged electrostatically. A special powder called toner is used for developing process. In order to have a permanent cliché, a photograph is made from the image. The image brightness and contrast is much better than conventional radiographs while the time of exposure and developing is less. While in medical fields it is used in extraoral imaging, in dentistry xeroradiography is used only in intraoral imaging. |
