In this video Mr. Johnston, a veteran dental technician of 23 years, details his successful porcelain butt margin technique, which, in his works, eliminates the disadvantages of other crown fabrication procedures. Also discussed are preparation and metal design as integral parts of this porcelain butt margin technique. This is an excellent instructional video for both the intermediate and advanced technician.

Run Time: 36 Minutes

This course is approved for .5 hours of Scientific Credit through the National Board for Certification in Dental Laboratory Technology (NBC). This video will be available in your Foundation Learning Library Classroom for 90 days from your purchase date and will expire after that time.