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Lab talk, the good, the bad, and the ugly
Metal
Occlusal Clearance with SP/CG Issues
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<blockquote data-quote="lil_leftee" data-source="post: 21151" data-attributes="member: 1952"><p>Hi, this may be a newbie question but I've recently had a dilemma with a doctor that was shocked at the net weight of a PFM Ceramic Gold (sometimes Semi-Precious) crowns.</p><p></p><p>The occlusal clearance between abutment and opposing was a good 25-35 mm and I was forced to compensate the extra clearance by adding more wax on the coping, thus forcing the Gold dwt up a huge notch. A premolar case came out to a whopping 2.7 dwt net weight that completely shocked the doctor. He scolded our manager asking why so much alloy was used, and naturally, we responded saying that it was necessary to support the porcelain.</p><p></p><p>In this situation, what would you suggest we should have done? Should we have just fabricated a simple dipped coping without any additional wax? Called the doctor first and discuss? etc..</p></blockquote><p></p>
[QUOTE="lil_leftee, post: 21151, member: 1952"] Hi, this may be a newbie question but I've recently had a dilemma with a doctor that was shocked at the net weight of a PFM Ceramic Gold (sometimes Semi-Precious) crowns. The occlusal clearance between abutment and opposing was a good 25-35 mm and I was forced to compensate the extra clearance by adding more wax on the coping, thus forcing the Gold dwt up a huge notch. A premolar case came out to a whopping 2.7 dwt net weight that completely shocked the doctor. He scolded our manager asking why so much alloy was used, and naturally, we responded saying that it was necessary to support the porcelain. In this situation, what would you suggest we should have done? Should we have just fabricated a simple dipped coping without any additional wax? Called the doctor first and discuss? etc.. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Metal
Occlusal Clearance with SP/CG Issues
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