Prefabricated, stainless steel crowns for short and long term pediatric and posterior use. Provides a fast alternative to amalgam and composite restoratives with superior longevity. Accurately duplicates anatomy for better fit and performance. 3M ESPE Stainless Steel Crowns and Unitek Stainless Steel Crowns have proven their leadership position by providing reliable solutions that dentists have trusted for decades. As a leading innovator in dental products, 3M ESPE offers a full line of prefabricated stainless steel crowns, that meets both adult and pediatric patient needs. They are a viable method of single-unit temporization for both short and long-term coverage.