Text and Data Mining valid from 2019-11-21
Received: 5 July 2019
Accepted: 28 October 2019
First Online: 21 November 2019
Ethics approval and consent to participate
: The present study was approved by the Ethics Committee of the Sechenov First Moscow State Medical University.
: 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.