In a Visible,light-Curing,direct Composite System,the Light Is Absorbed by A(n)

question 3

Multiple Choice

In a visible,light-curing,direct composite system,the light is absorbed by a(n) :

• A) diketone, which starts the polymerization reaction in the presence of an organic amine.
• B) diketone, which starts the polymerization reaction in the presence of an organic peroxide initiator.
• C) organic peroxide initiator and organic amine accelerator.
• D) organic peroxide initiator alone.

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