Therefore, metallic pigmentations mercury, silver copper caused by metallic posts, silver points, amalgam restorations, as well as pigmentations generated by sealing cements containing silver or iodine, are extremely difficult to alter or remove. This is even more so in cases when they have been in place for long periods of time.
De ahí que las pigmentaciones metálicas mercurio, plata, cobre provocadas por postes metálicos, puntas de plata, restauraciones de amalgama o las generadas por cementos selladores que contienen plata o yodo en su composición, son extremadamente difíciles de alterar o remover, especialmente si han sido de larga permanencia.