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AUTHORS |
Mahler DB. Bryant RW.
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INSTITUTION |
Oregon Health Sciences University, School of Dentistry, Portland, Ore 97201, USA
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TITLE |
Microleakage of amalgam alloys: an update
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SOURCE |
Journal of American Dental Association. 49(2):113-25, 1996 Oct 11.
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COUNTRY OF PUBLICATION |
United States
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ABSTRACT |
Using an in vitro air pressure test, the authors found a wide variation in the microleakage characteristics of amalgam restorations made from 33 recently manufactured precapsulated alloys. Spherical particle alloys as a group exhibited the highest microleakage values. When the authors changed the mercury/alloy ratios to produce 1 percent more mercury in the capsules by weight, microleakage decreased significantly. Because extensive microleakage of amalgam restorations has been related to increased postoperative sensitivity, the authors suggest that practioners should be alert to this potential problem.
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PUBLICATION TYPE |
Journal Article
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LANGUAGE |
English
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