| Literature DB >> 3460015 |
W D McDavid, G Tronje, U Welander, C R Morris.
Abstract
The customary mathematical expressions for magnification in rotational panoramic radiography are examined. It is shown that although these expressions yield correct results for small objects placed perpendicularly to the central ray of the beam, they must be corrected in other situations.Mesh：
Year: 1986 PMID： 3460015 DOI： 10.1016/0030-4220(86)90079-4
Source DB: PubMed Journal: Oral Surg Oral Med Oral Pathol ISSN： 0030-4220