The Journal of the American Dental Association
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J Am Dent Assoc, Vol 114, No 3, 344-347.
© 1987 American Dental Association

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Journal of the American Dental Association, Vol 114, Issue 3, 344-347
Copyright © 1987 by American Dental Association


Journal Article

Order of magnitude dose reduction in intraoral radiography



LT Kircos, LL Angin, and L Lorton

This comparative clinical investigation concerns the radiation dose from intraoral radiography using E-speed film and rectangular and circular beam collimation. Dose to organs not of diagnostic importance (brain, lens of the eye, thyroid, and breast) is reduced by approximately an order of magnitude when rectangular collimation and E-speed film are used in periapical radiography. And dose to the thyroid and breast is further reduced by a third with the use of a full leaded apron and thyroid shield.





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