Jesús López Peláez

All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.

1. Introduction High-strength ceramics have been developed as an alternative to metal–ceramic prostheses to improve the aesthetics and integration of restorations, both at dental and gingival level [1]. In particular, zirconium oxide (zirconia) provides high biocompatibility, low bacterial adherence, and good optical properties, thus achieving superior aesthetics and gingival health [2,3,4].

La llegada de los magos de Oriente a Jerusalén para entrevistarse con Herodes carece de fundamentación histórica. El texto evangélico dice que “Unos magos de Oriente se presentaron en Jerusalén preguntando: «¿Dónde está el rey de los judíos que ha nacido? Porque hemos visto salir su estrella y venimos a rendirle homenaje» (Mt 2,1-2). Se creía por entonces que el nacimiento de todo gran personaje en la tierra era acompañado por la aparición de una estrella en el firmamento.