Minimum Crown Prep Depth

Posted by Stewart Lab on Jun 3, 2010 in Dental HowTo's, Latest News | 0 comments If you are wondering what the Minimum Crown prep depth is for dental crowns, please see the chart below. Minimum just for the porcelain itself, albeit for a PFM or Zirconia crown, is 1.0MM. This thickness is provided by the porcelain manufacturers themselves, many claim that you should not go below 1.5MM in porcelain, others claim 1.0MM. Porcelain Manufacturers also claim that if this thickness...
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Quad or Full Arch Impression?

Posted by Stewart Lab on Jun 1, 2010 in Dental HowTo's, Latest News | 0 comments Most wonder what kind of impression they should take,  a quad impression or a full arch. 8 times out of 10 we receive a Quad impression’s in the lab,……..which is acceptable.  But if you talk to any lab owner or anyone that does dental restorations on a regular basis, their answer will always be a Full Arch. Even for simple posterior Gold or PFM restoration’s, it...
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3M Lava C.O.S. Digital Impression Accepted

Posted by Stewart Lab on May 24, 2010 in Dental HowTo's, Future of Dentistry | 0 comments Stewart Dental Lab is now receiving files from the 3M COS Digital Impression scanner. Please use the following information to send us the file for production. Importing Lava COS scan orders To use Lava COS scans, perform the following steps: Log into the 3M ESPE Case Manager with your credentials: https://casemanager.3m.com Click the “Cases” tab at the top of the screen. Type in the...
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Impression Technique Guide

Posted by Stewart Lab on Mar 3, 2010 in Dental HowTo's, Latest News | 0 comments 3M has created a nice article to detect bad impressions and the root cause behind them. Its a nice little read and very helpful if having problems with impressions and/or crown placement. All these articles are designed to help you identify common problems that could occur in impression procedures, Impression Tips highlights an issue, discusses potential causes and offers solutions for...
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