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Volume 6 , Issue 2
Summer 1991

Pages 160-166

Digital Subtraction Radiography for the Assessment of Changes in Peri-lmplant Bone Density

Urs Brägger, Dr Med Dent/Walter Bürgin, Dipl Ing, MS/Niklaus P. Lang, Dr Med Dent, MS/Daniel Buser, Dr Med Dent

PMID: 1809671

Digital subtraction radiography is proposed as a potential diagnostic tool for implant research and patient monitoring. Examples of the application of this technique are given observing peri-implant density changes during the early healing phase and during ligature-induced peri-implantitis in an animal model. Additional cases document the loss of peri-implant bone density associated with an infection and increase in density caused by remodeling after functional loading of an implant with a single crown. Digital subtraction radiography might be one of the most sensitive noninvasive methods for assessing subtle density changes in peri-implant tissues, providing additional diagnostic information on implant tissue integration and maintenance. (INT J ORAL MAXILLOFAC IMPLANTS 1991;6:160-166.)

Key words: diagnosis, digital subtraction radiography, implants, standardized radiographs

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