Online Case Studies

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This Month’s Case Study:

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Nickel sensitivity:  A case report. Gary S Berkowitz, DDS, and Ronald J. Lehane, DDS, MS   Abstract:   In dentistry, three “non-precious” alloy groups predominate:  chromium-cobalt, nickel-chromium, and nickel-chromium-beryllium.  These alloys have little or no precious metals, but exhibit low flexibility and achieve high porcelain-to-metal bond strengths when handled properly.   The most common of the “non-precious” metal alloys utilize nickel; unfortunately, nickel is the most common of all potential metal contact allergens. This article describes a case involving a patient with a sensitivity reaction to the metal component of a ceramo-metal crown and the procedure that was used to rectify the problem.