Dental amalgam

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By. Aadil Shabir Soomro.

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Dental amalgam

  1. 1. Dental amalgam Presented by Aadil shabir soomro
  2. 2. AMALGAM Itis an alloy of mercury [HG] with an other metal. ALLOY=combination more than one metal is said to be alloy.
  3. 3.  Dental amalgam is an alloy of mercury with metals usually silver copper and tin. Dental amalgam is used as Restorative /filling material in posterior teeth. Prior to. this materail had a great demand for filling . due to other materail which are bieng used commonly now a days it’s demand is completely vanished.
  4. 4. Composition of dentalamalgam Itconsist of LIQUID and POWDER Liquid= Mercury Powder= silver and copper alloys.
  5. 5.  Powder consist of Conventional amalgam High copper/copper enrichedconventional copper is not strong enough to bear a force and contain low percentage of copperHigh copper is enough strong to bear force and contain high percentage of copperThe copper is mostly used in decidious teeth/teeth of childrens because copper has abaility against bacterais, mean to say it is anti_bacterail.
  6. 6.  Conventional copper silver =67% Tin =27% Copper =6% Zinc =2%
  7. 7.  High copper Silver =67% Tin =17% Copper =13% Zinc =1%
  8. 8. THANK YOU,…

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