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Thursday, February 01, 2001

Prosthodontics MCQ Answer 9

Posted by Vishaal at 2/01/2001 09:24:00 AM Thursday, February 01, 2001
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The answer is E, only 1 is true.

Jelenko’s “Genesis II” is a metal alloy without nickel in it-thus no chance for a nickel allergy. Females are said to have Nickel allergies 9%, and males .9%. He stated that you can’t give them a nickel allergy, you just may get a reaction to an alloy with nickel in it if they are already sensitive. The Nickel replaces gold in some base metal alloys. It is a base metal. It increases the CTE-Coefficent of thermal expansion, it also has an anti-corrosion characteristic, and may be carcinogenic. Rexalloy and Rexillium II, are examples of nickel alloys, with Rexalloy being 67% Ni, 14% Chromium, Rexillium=76% Ni, 14% Cr.

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