Comparing the sensitometric properties of dental X-ray films.
作者信息
Wakoh M, Farman A G, Kelly M S, Kuroyanagi K
机构信息
Tokyo Dental College, Chiba, Japan.
出版信息
J Am Dent Assoc. 1995 Mar;126(3):341-4. doi: 10.14219/jada.archive.1995.0178.
Abstract
This article describes a study that compared the sensitometric properties and information yields of four dental X-ray films: Eastman Kodak Ultra-Speed DF-57 and Ektaspeed EP-21, Flow DV-58 and Agfa Gevaert Dentus M2 Comfort. Dentus M2 Comfort gave the greatest contrast, a speed between the conventional D- and E-speed film groups and an exposure latitude wider than Ultra-Speed but less than DV-58. A significant difference in detail was found with low exposures, Dentus M2 Comfort and Ektaspeed outperforming the other two film types.
摘要
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