U S Welander

Image quality of direct digital intraoral x-ray sensors in assessing root canal length. The RadioVisioGraphy, Visualix/VIXA, Sens-A-Ray, and Flash Dent systems compared with Ektaspeed films.

G C Sanderink, P F van der Stelt, S. E. Stheeman, 1994, Oral surgery, oral medicine, and oral pathology.