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The Comparative Radiopacity Between Primary And Permanent Teeth, Robert C. Lee
The Comparative Radiopacity Between Primary And Permanent Teeth, Robert C. Lee
Loma Linda University Electronic Theses, Dissertations & Projects
Purpose: This in vitro study compared the radiopacity between human primary and permanent enamel and dentin. It also compared the radiopacity between human anterior and posterior teeth.
Methods: Extracted primary and permanent teeth were used in this study. One mm enamel and one mm dentin slices were cut from each extracted tooth. Radiographs were taken of each enamel and dentin specimen 1 mm in thickness along with an aluminum step-wedge using procedures specified in International Standards Organization (ISO) 4049:2000. A densitometer was used to measure the Optical Density (OD) of the radiographs of the specimen and the accompanying aluminum step-wedge. …