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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
White ring at sprue
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<blockquote data-quote="SiKBOY" data-source="post: 226297" data-attributes="member: 1362"><p>Ive been using a 3mm sprue so I might use a 3.3mm sprue and see how that goes. I read that technical post that Patrick Coon wrote and it was very informative. </p><p>I only get a dark grey spot on my crown without the white ring around it. I'm not sure if I have the same problem with the OP.</p></blockquote><p></p>
[QUOTE="SiKBOY, post: 226297, member: 1362"] Ive been using a 3mm sprue so I might use a 3.3mm sprue and see how that goes. I read that technical post that Patrick Coon wrote and it was very informative. I only get a dark grey spot on my crown without the white ring around it. I'm not sure if I have the same problem with the OP. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
White ring at sprue
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