OWN - Quintessenz Verlags-GmbH CI - Copyright Quintessenz Verlags-GmbH OCI - Copyright Quintessenz Verlags-GmbH TA - Int J Periodontics Restorative Dent JT - International Journal of Periodontics & Restorative Dentistry IS - 1945-3388 (Electronic) IS - 0198-7569 (Print) IP - 2 VI - 41 PST - ppublish DP - 2021 PG - 166-167 LA - en TI - Editorial: 2020 Clinical Research in Periodontology Award AB - AID - 1326799