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Lab talk, the good, the bad, and the ugly
Metal
Porosity in bulky 60% gold implant, help.
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<blockquote data-quote="Yuugen" data-source="post: 322795" data-attributes="member: 22219"><p>Was told by my Boss/Teacher about porosity in gold crown, Many things to consider about positioning, reservoir, and the temp burnout @ 600 degree Celsius for gold crowns and 750 degree Celsius for copings and most of all is to rapidly cool down that thick metal by attaching the piece of same metal your casting on the thickest part of the crown to cool it right away,</p></blockquote><p></p>
[QUOTE="Yuugen, post: 322795, member: 22219"] Was told by my Boss/Teacher about porosity in gold crown, Many things to consider about positioning, reservoir, and the temp burnout @ 600 degree Celsius for gold crowns and 750 degree Celsius for copings and most of all is to rapidly cool down that thick metal by attaching the piece of same metal your casting on the thickest part of the crown to cool it right away, [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Metal
Porosity in bulky 60% gold implant, help.
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