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Lab talk, the good, the bad, and the ugly
Zirconium
Prime Zirconia bridge fracturing
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<blockquote data-quote="Patrick Coon" data-source="post: 337094" data-attributes="member: 11366"><p>Hi Brent,</p><p></p><p>Strength should not be an issue, you have the vast majority of the restoration (and especially the connector in the 3y, 1100+ MPa area of the disk.</p><p></p><p>How are you finishing the material (before and after sintering)? What type of rotary instruments (burs, disks, stones, etc)? </p><p></p><p>When layering your rate of rise should be quite slow (~30-40C/minute) and you long term cooling should be quite low (oven open at <550C or about 10 minutes).</p></blockquote><p></p>
[QUOTE="Patrick Coon, post: 337094, member: 11366"] Hi Brent, Strength should not be an issue, you have the vast majority of the restoration (and especially the connector in the 3y, 1100+ MPa area of the disk. How are you finishing the material (before and after sintering)? What type of rotary instruments (burs, disks, stones, etc)? When layering your rate of rise should be quite slow (~30-40C/minute) and you long term cooling should be quite low (oven open at <550C or about 10 minutes). [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Zirconium
Prime Zirconia bridge fracturing
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