Motoaki Kato et al.
Nihon Hoshasen Gijutsu Gakkai zasshi, 61(8), 1158-1169 (2005-09-01)
In projection radiography, stationary grids are indispensable accessories to the improvement of diagnostic imaging. On the other hand, they are becoming one of the issues facing digital image processing. The lead foil that composes the grid can produce moiré on...
M Bourgeois et al.
Health physics, 62(6), 546-552 (1992-06-01)
A significant amount of radiation escapes the rear of an image receptor in conventional dental radiographic procedures despite the placement of a lead-containing backing at the rear of the film pack. The purpose of this investigation was to place additional...
Lead foil in the intraoral periapical radiograph as an inclusion agent: a simple method in denture identification.
Journal of the College of Physicians and Surgeons--Pakistan : JCPSP, 22(2), 130-131 (2012-02-09)
A Janhom et al.
Dento maxillo facial radiology, 29(1), 20-27 (2000-02-02)
To determine the interaction between image noise and file compression, with special emphasis on the accuracy of caries diagnosis. Fifty-nine bitewing radiographs of patients were taken simultaneously with Ektaspeed Plus (Eastman-Kodak, Rochester, NY, USA) film without lead foil and the...
X A Li et al.
Medical physics, 26(7), 1245-1251 (1999-08-06)
The purpose of this work is to study the dose enhancement by a thin foil (thickness of 0.2-4 mm) of high-Z material in a water phantom, irradiated by high-energy photon beams. EGS4 Monte Carlo technique was used. Perturbations on the...