The fifth generation amalgam included?
Silver, copper, tin
Silver, copper, zinc, tin, indium
Silver, copper, tin, indium
Silver, copper, tin, palladium
The alloying of silver, copper, tin and indium together creating a quaternary alloy in which almost none of the tin is available to react with the mercury when mixed with the powder, was the 5th generation amalgam to be developed.
Reference: Marzouk Operative dentistry, pg-106