Summary. Multilayered Zirconia components manufactured with different yttria contents by layer have lessen flexural strength than Those people made with gradient shade engineering and the identical yttria content material for every layer. For that reason, various elements including the style of prostheses, nesting strategies of prostheses inside the zirconia disc, https://www.directivepublications.org/journal-of-dentistry-and-oral-research/