Saverio Capodiferro

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1. Introduction Currently, conventional metal–ceramic prostheses still represent the gold standard in prosthetic restorative materials due to their excellent long-term mechanical properties, especially for their use as fixed dental prostheses (FDPs) mainly in the posterior sectors [1]. An alternative solution that aims to progressively substitute metal–ceramic prostheses involves the use of zirconia.

Abstract : Metastases from lung cancer to the oral cavity and to the head and neck generally are very infrequent and usually manifest in advanced stages of the disease. Even more rarely, they are the first sign of an unknown metastatic disease. Nevertheless, their occurrence always represents a challenging situation both for clinicians, in the management of very unusual lesions, and for pathologists, in the recognition of the primary site.