LMT's Crown Challenge: 228 Technicians and Teams Put Their Expertise to the Test

"Could you do better?" In the industry's first-ever competition featuring a comparison of the same restoration, LMT challenged readers to create a better PFM crown than the nine crowns featured in our Crown Experiment 2007. The response was dramatic—228 individuals and technician teams put their time and expertise to the test and—in the Crown Challenge—proved beyond a doubt that, yes indeed, they could do better.

In the original Experiment, impressions of the same tooth were sent—anonymously—to nine dental laboratories, both in the U.S. and abroad. The results were surprisingly disappointing click here to see the nine crowns from the Experiment. For our subsequent Challenge, participants were sent identical, poured models and the same prescription...