OWN - Quintessenz Verlags-GmbH CI - Copyright Quintessenz Verlags-GmbH OCI - Copyright Quintessenz Verlags-GmbH TA - JT - Journal of Aligner Orthodontics IS - 2514-7560 (Electronic) IS - 2514-7552 (Print) IP - 2 VI - 5 PST - ppublish DP - 2021 PG - 156-162 LA - en TI - Short communications from the scientific societies AB - AID - 1746179