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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Many dentists criticized the poor quality of the early amalgam restorations and this controversy led to the “amalgam war” from –
assistant
The correct answer is  Many dentists criticized the poor quality of the early amalgam restorations.This controversy led to the “amalgam war” from 1840 to 1850.
Reference: Phillip’s Science of Dental Materials, Pg-8