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- W2332140244 abstract "The following is a preliminary report of a new method of determining linear X-ray absorption coefficients in plano-parallel ground sections of teeth. This coefficient is a precise measure of radiopacity, which, in radiographs of such sections, is usually interpreted as measuring degree of calcification. Variations in calcification of teeth may arise in several ways: (1) With increasing age there may occur a progressive diffuse deposition of calcium salts within the already calcified matrix. (2) Secondary deposition of calcium salts may occur locally in response to some abnormal condition. (3) Certain pathological conditions may cause local rarifactions. (4) Structures in the organic matrix may cause relative variations in calcification merely by spatial displacement of inorganic material.Such variations in distribution of inorganic material correspond to differences in compactness or density of calcification; i. e., in weight of calcium salt per unit volume. However, the qualitative nature of radiopacity ..." @default.
- W2332140244 created "2016-06-24" @default.
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- W2332140244 date "1935-12-01" @default.
- W2332140244 modified "2023-09-27" @default.
- W2332140244 title "Measurement of X-Ray Absorption Coefficients in Tooth Sections." @default.
- W2332140244 doi "https://doi.org/10.3181/00379727-33-8382p" @default.
- W2332140244 hasPublicationYear "1935" @default.
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