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Hello kent and everyone, I'm starting to hear about problems with zirconia abutments and fractures. I...See more need to look into it a bit more, I haven't had any of mine come back for a remake. It seems to me there would be more trouble with the solid zirconia v.s the Ti base. Monolithic screw retained may be the best way to go for posteriors, emax or zir as long as it has the Ti base. Any thoughts? Hey Kent, congrat's on the new position. — tagged 3 topics
Just participated in a digital forum at Whip Mix where Dr. Russell Giordano discussed the material science...See more and dynamics of Zirconia and Zirconia layering ceramics.... lots of "i's" and "t's" to dot and cross if you really want to ensure a scientifically sound interface between your Zr substrate and the Zr core... one thing he advocated in particular, and I know we have heard different variations on this from a variety of Zr and Zr layering mfg.s, but he stated quite emphatically, that anytime one introduces stress (grinding and/or finishing of Zr frames and full-contour Zr restorations) that a 'conditioning firing' is imperative! This conditioning firing consists of running the Zr frame up to 1000 C and holding it for a minimum of 15-20 mins., then a slow cool coming down- not 1-2 mins., but a REAL slow cool down to a min. temp of 600 C... then bench cool down to room temp. If one doesn't observe this conditioning cycle, the Zr will remain in a Monoclinic 'stressed' state and not return to a tetragonal/metastable state! That is to say, if a crack starts to propagate, it will not necessarily force the crack together, thus stopping it or encapsulating it. What this could spell for us is short-term, false-sensed "success..." OR LONGTERM Failure, depending upon one's mindset... Noritake & Vita were proponents of this necessary cycle long before others joined the band wagon... — tagged Whip Mix Corp.
Just curious what everyone's thoughts are on screw-retained, full contour, hybrid Zr bridges? How many...See more of us are doing full-arch reconstructions? How about full-mouth, all in protected, full-contour Zr? That is to say, full Zr occlusals (posteriors) and lingual/incisal edge protection (anteriors?) What have been your experiences? Long-term experiences especially...
Kent Kohli, CDT · Dental Technician/Educator at Kent D. Kohli, CDT
My fellow technicians, anyone interested in collaborating with like-minded professionals from the lab...See more industry and clinical industry should consider this program. Many of us complain that there isn't enough collaborative educational opportunities to elevate ourselves in our clinical peers' eyes... well, this one is slated to be great! AND, it's absolutely free admittance to the laboratory profession at large. If you're well on your way into the digital age of dentistry, cautiously considering it or not sure... join our professional partners and explore the possibilities...!!!
If you are heading to DLOAC please plan to join us on Thursday, November 15th for a in-depth training...See more on Dental CAD/CAM technology offered by CIMSystem (SUM3D) and Roland DGA.
Today, digital dental technologies are helping to transform every aspect of the dental industry. The latest technological advancements in scanning, CAD/CAM software and CNC milling allow digital dental labs to deliver custom production with speed, precision and economy. In this training, you will gain key takeaways and skills for the digital age from CIMSystem and Roland experts. By attending this course, you will also receive 4 CDT credits.
What you will learn from this class:
Introduction to the digital dental process
Introduction to CAD/CAM
How to use the CAM system to mill everything from Crowns to Copings to Bridges
How to use the right CAD settings for milling
The right tools and materials for the job
Thursday, November 15, 2012
Roland DGA Headquarters
15363 Barranca Parkway
Irvine, CA 92618
Attendees will receive 4 CDT credits
CIMSystem is a leading CAD/CAM technology provider for the 3D and Dental market with highly regarded software solutions such as SUM3D and Rhinoceros. Since the companyâs establishment in 1999 in Milan, CIMSystem has grown to be a leader in CAD/CAM solutions with a worldwide technical and sales partner network.
About the Instructor
Luigi Fanin is an experienced Mechanical Engineer covering a broad range of engineering fields focused on Computer Aided Design, Reverse Engineering and Computer Aided Manufacturing. Luigi is business development manager and technical trainer for Italian software manufacturer CIMSystem, creators of SUM3D CAM specifically designed software solutions for open Dental milling centers.
Space is limited, please register in advance online: