Perma Crown Permanent Molar Crown Kit (24 Crowns)Permanent Molar Crowns are made of stainless steel. The Permanent Molar Crowns are prefabricated for short or long term adult posterior use covering molars. They are pre trimmed, belled and crimped to accurately duplicate anatomy. Kit: 24 Permanent Molar Crowns (1 of each Size) Features and Benefits Minimal adjustment Pre trimmed, belled and crimped Accurately duplicates anatomy Superior longevity compared to multi surface amalgam fillings