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Implants
Custom abutments help!
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<blockquote data-quote="wwcanoer" data-source="post: 45050" data-attributes="member: 706"><p>Bobcdt: Dr wanted a screw retained gold crown, so the need to go with UCLA abutment.</p><p></p><p>*** & labwa; With this case, I <u>wasn't</u> using speed (Microstar) investment. Using Cristobalite- water only- into a cold oven. The two stage burn-out technique is a hybred from Donny Poe's technique from the late 90's. Does that ever date me<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" />. Slow burn-out rate long heat soak equates more control with expansion if I remember correctly</p><p></p><p>And burn out temps aren't on the hot side, 1000F, and have already dropped from 3 1/2 turns down to 2 1/2 turns on casting machine. Oven was resently checked for calibration.</p><p></p><p>It's a week like this that will give me "silver hair" <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /></p><p></p><p>C</p></blockquote><p></p>
[QUOTE="wwcanoer, post: 45050, member: 706"] Bobcdt: Dr wanted a screw retained gold crown, so the need to go with UCLA abutment. *** & labwa; With this case, I [U]wasn't[/U] using speed (Microstar) investment. Using Cristobalite- water only- into a cold oven. The two stage burn-out technique is a hybred from Donny Poe's technique from the late 90's. Does that ever date me:D. Slow burn-out rate long heat soak equates more control with expansion if I remember correctly And burn out temps aren't on the hot side, 1000F, and have already dropped from 3 1/2 turns down to 2 1/2 turns on casting machine. Oven was resently checked for calibration. It's a week like this that will give me "silver hair" :rolleyes: C [/QUOTE]
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