JohnWilson
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To mask poor workmanship ? Not in my book...
The cement its still the weakest link, no matter how much better it became... I'd still plan for the worst and hope for the best...
Both of you missed my sarcastic point, and unless you are routinely taking a PA of your restorations before they leave the lab ZERO I will promise you some of your units will show this from time to time. I pretty sure Ken did not try and play catch up with a bad milling.
How big of a gap do you think that is? This is 100% "clinically acceptable", can it be improved yeah of course,
Anytime I see this on the mesial like others have stated its a contact issue. If you routinely cement free end singles one at a time on the model if the contact is ever so heavy this can happen. If you have a perfect keyway like the Variobases have cement off the model and adjust your contacts after cementation.