Investment material used for high fusing base metal partial dentures
Correct Answer: Silica bonded.
Description: Silica bonded
• Silica is the binder which may be derived from ethyl silicate or silica gel
• Used for high fusing base metal partial denture alloys
• In addition to setting shrinkage "green shrinkage" occurs due to loss of alcohol and water from the gel.
• The investment can be heated upto 1200°C
Category:
Dental
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