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Examen
A* 50/50 EPQ on The Toxicity of Dental Amalgam | ESSAY (production log sold separately) With Questions and Answers
A* 50/50 EPQ on The Toxicity of Dental Amalgam | ESSAY (production log sold separately) With Questions and Answers 
History of Dental Amalgam - Correct Answer--*developed in France in 1800s 
*Flagg and Black 50/50 balance amalgam 
*1920s national standards institute in Us tested and made standards, confirmed Blacks 50/50 ratio is best and dental amalgams safe 
*1960 high copper amalgam ( no gamma 2 phase) developed/ used 
 
Why is high copper amalgam used today? - Correct Answer--* high copper ...