1. The 2018 classification of periodontal diseases: Its predictive value for tooth loss. Issue 4 (18th September 2021) Authors: El Sayed, Nihad; Rahim‐Wöstefeld, Sonja; Stocker, Florian; Behnisch, Rouven; Eickholz, Peter; Pretzl, Bernadette Journal: Journal of periodontology Issue: Volume 93:Issue 4(2022) Page Start: 560 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗