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<blockquote data-quote="rich green" data-source="post: 159921" data-attributes="member: 12668"><p>Like the three unit alot. connector comments are valid. I have found that often times folks who design frames haven't had much time on the porcelain bench. Connectors could be moved incisally and/or what I prefer is to see the connectors on zirc as long as possible and pulled towards the lingual and incisal , using the vertical strength and the coloring inherent in the zirc to allow the ceramist to open up the interproximals and make them as deep as possible. Using zirc instead of metal lets the ceramist have what amounts to a full zirconia lingual without the substructure showing through. make sense? (I have also found that on my initial bake I place body or dentin porcelain in the incisal embrasure space It helps provide a little color support right in that area)</p></blockquote><p></p>
[QUOTE="rich green, post: 159921, member: 12668"] Like the three unit alot. connector comments are valid. I have found that often times folks who design frames haven't had much time on the porcelain bench. Connectors could be moved incisally and/or what I prefer is to see the connectors on zirc as long as possible and pulled towards the lingual and incisal , using the vertical strength and the coloring inherent in the zirc to allow the ceramist to open up the interproximals and make them as deep as possible. Using zirc instead of metal lets the ceramist have what amounts to a full zirconia lingual without the substructure showing through. make sense? (I have also found that on my initial bake I place body or dentin porcelain in the incisal embrasure space It helps provide a little color support right in that area) [/QUOTE]
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