Received: 22 April 2020
Accepted: 27 July 2020
First Online: 5 August 2020
Ethics approval and consent to participate
: The present study was approved by the Ethics Committee of the University of Bologna. All patients had previously signed a generic informed consent to prosthetic implant treatment, and a condition for inclusion in this study, on the nature of which all patients were properly informed, was signing a further specific consent.
: Not applicable.
: The authors declare that they have no competing interests in relation to the present study. Francesco Mangano is the editor of the Digital Dentistry section of BMC Oral Health.