Semiprecious alloys for cast restorations: A preliminary report |
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Authors: | John W. Dale B.D.S. D.D.S. M.D.S. John B. Moser M.Sc. Ph.D. |
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Affiliation: | Northwestern University Dental School, Chicago, Ill., USA |
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Abstract: | A previous clinical evaluation indicated that semiprecious metals had a definite place in the construction of dowels and cores in endodontically treated teeth. 2 The results from the present in vitro study suggest that those alloys do have a place in the fabrication of single castings as type III and IV gold alloy substitutes. Although when compared with a type III gold alloy the behavior of the semiprecious alloys tested was less like that of a noble alloy, the semiprecious alloys appeared less active than the base-metal alloy. This suggests that the semiprecious alloys should be acceptably resistant to corrosion in the oral environment. |
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