PMID- 32467935 OWN - Quintessenz Verlags-GmbH CI - Copyright Quintessenz Verlags-GmbH OCI - Copyright Quintessenz Verlags-GmbH TA - Int J Esthet Dent JT - International Journal of Esthetic Dentistry IS - 2198-591X (Print) IP - 5 VI - 15 PST - ppublish DP - 2020 PG - 54-59 LA - en TI - Discussion Session I FAU - Tripodakis, Aris Petros AU - Tripodakis A FAU - Gracis, Stefano AU - Gracis S CN - AB - AID - 852424