Additive Manufacturing is an innovative production technology belonging to the latest Industrial Revolution, the era of digitalization, also known as Industry 4.0. The diffusion of 3D printing is moving fast, and it is already considered a viable manufacturing technology across industries such as aerospace, biomedical and manufacturing. The aim of this thesis is to describe the actual economical and technical scenario of Additive Manufacturing with particular attention to the Dental sector. The crucial part of the paper concerns an analysis conducted in the Palermo area to understand the level of diffusion of additive manufacturing technologies in dental offices. For these purposes, a detailed questionnaire was developed and then submitted to a sample of dentists.