3. Ag Properties
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Aug 19, 2020 ·
4m 16s
PROPERTIES OF AMALGAM RESTORATION Trituration o The longer the trituration the smaller the setting expansion- shiny and wet appearance, strength will be maximal, and will have longer lasting luster after...
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PROPERTIES OF AMALGAM RESTORATION
Trituration
o The longer the trituration the smaller the setting expansion- shiny and wet appearance, strength will be maximal, and will have longer lasting luster after carving
o Inadequate trituration will have poor strength and rough surface, will cause corrosion more
o Trituration Time – 45-60 seconds
P/L ratio
o 1:1 by volume (EamesTechnique)
o 50% by weight
Working/Setting Time ー 3-4 minutes
Q. The maximum time elapsed before condensation of amalgam - 3 min
Condensing Force ー 3-4 lbs
Precarving Burnishing
a) to remove excess mercury
b) to condense and adapt to lateral walls*
Amalgam Cry / Silver Ringing Sound ー Setting Indication
Polishing ー After 24 hours* ー In the presence of water.
show less
Trituration
o The longer the trituration the smaller the setting expansion- shiny and wet appearance, strength will be maximal, and will have longer lasting luster after carving
o Inadequate trituration will have poor strength and rough surface, will cause corrosion more
o Trituration Time – 45-60 seconds
P/L ratio
o 1:1 by volume (EamesTechnique)
o 50% by weight
Working/Setting Time ー 3-4 minutes
Q. The maximum time elapsed before condensation of amalgam - 3 min
Condensing Force ー 3-4 lbs
Precarving Burnishing
a) to remove excess mercury
b) to condense and adapt to lateral walls*
Amalgam Cry / Silver Ringing Sound ー Setting Indication
Polishing ー After 24 hours* ー In the presence of water.
Information
| Author | Dr.Mayakha Mariam |
| Website | - |
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