All existing porcelain-metal crowns were removed: 15, 14, 13, 12, 11, 21, 22, 23, 24, 25, 31, 42, and 43, along with metallic posts.
Se retiraron todas las coronas metal-porcelana existentes 15, 14, 13, 12, 11, 21, 22, 23, 24, 25, 31, 42 y 43 junto con los postes metálicos.