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Lab talk, the good, the bad, and the ugly
Dental-CAD
Going model less.
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<blockquote data-quote="2thm8kr" data-source="post: 170390" data-attributes="member: 1367"><p>I don't trust the virtual articulators completely yet. I would not (at this time) do a large case especially if it involved a cuspid with out models. The bite registrations from intra oral scans record the bite with the ligaments in compression so there is no need to equilibrate like a stone model. There are a few basic principles I use for single posteriors that I call 'forensic evidence' whether using stone or virtual models. To explain this I will need to take a bunch of screen shots and I don't have time for that now, but I will post at another time. When you get your settings dialed in the occlusion is most times spot on and when checked in the mouth with articulation ribbon it holds when tugged with forceps. NO reason to leave them infra occluded. Not every one is absolutely perfect and I attribute this to the movement of the teeth or abrasion of the temps. If you can deliver the crown in a shorter amount of time there is less chance of inaccuracies.</p></blockquote><p></p>
[QUOTE="2thm8kr, post: 170390, member: 1367"] I don't trust the virtual articulators completely yet. I would not (at this time) do a large case especially if it involved a cuspid with out models. The bite registrations from intra oral scans record the bite with the ligaments in compression so there is no need to equilibrate like a stone model. There are a few basic principles I use for single posteriors that I call 'forensic evidence' whether using stone or virtual models. To explain this I will need to take a bunch of screen shots and I don't have time for that now, but I will post at another time. When you get your settings dialed in the occlusion is most times spot on and when checked in the mouth with articulation ribbon it holds when tugged with forceps. NO reason to leave them infra occluded. Not every one is absolutely perfect and I attribute this to the movement of the teeth or abrasion of the temps. If you can deliver the crown in a shorter amount of time there is less chance of inaccuracies. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Dental-CAD
Going model less.
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