Which of the following component acts as surface coating agent and transfer load from weaker matrix to stronger stress bearing components:
Correct Answer: Silane coupling agent
Description: Coupling agent : A bonding agent applied to the surfaces of reinforcing particles (filler) to ensure that they are chemically bonded to the resin matrix. Organo-silane compounds are the more common class of dental composite coupling agents. Although titanates and zirconates can be used as coupling agents, organosilanes—such as γ-methacryloxypropyl tri-methoxysilane—are used most commonly.
Phillips 12 ed page no. 275,286
Category:
Dental
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