Partial denture Cobalt chrome fitting

A

Aditia KT

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I have fitting issue when divesting the frame, and fitting to the master model, its very difficult and cannot fits well

I use hydrocolloid to duplicate and investment phosphate bonded
I use investment with 100% liquid to get expansion from the inevstment, but the frame is still hard to gets fit in master model
Any tips ?
 
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Bonter

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I have fitting issue when divesting the frame, and fitting to the master model, its very difficult and cannot fits well

I use hydrocolloid to duplicate and investment phosphate bonded
I use investment with 100% liquid to get expansion from the inevstment, but the frame is still hard to gets fit in master model
Any tips ?
What is your blocking out undercuts technique?
 
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