ExoCad, additional spacing?

ps2thtec

ps2thtec

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What does the “additional spacing “ do? (See pic).
I’ve been having some Crowns tight on I-tero models. :banghead:

CFEFFA0B-3F79-4513-81A0-91181087AF6C.jpeg
 
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ps2thtec

ps2thtec

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So I watched and around 7min mark he talks about it. But still.....🤨. These crowns were way tight. Had them milled three times
(Two different mill centers) and after having to “fit” used the third set. What changed? I want to blame the i tero model. They wanted pics from me but all cricketnow.
My concern is 4ant crowns now to do. Am I to understand that if I would use .035 for additional spacing the margin now would
be open?
I feel some molars are not fitting as they did when first starting having to use these models too. My parameter have stayed same.
 
zero_zero

zero_zero

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Are you scanning the itero models or design directly from scan ? I cannot comment how accurate their models are, I haven't used them since I bought a printer.
 
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ps2thtec

ps2thtec

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Not scanning the model. Using file of the scan from doc/I tero
 
zero_zero

zero_zero

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I'd scan a model first and compare it to the scan, see how much difference there is
 
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