“…For this guideline, a total of 15 systematic reviews (SRs) were conducted to support the guideline development process (Carra et al., 2020; Dommisch, Walter, Dannewitz, & Eickholz, 2020; Donos et al., 2019; Figuero, Roldan, et al., 2019; Herrera et al., 2020; Jepsen et al., 2019; Nibali et al., 2019; Polak et al., 2020; Ramseier et al., 2020; Salvi et al., 2019; Sanz‐Sanchez et al., 2020; Slot, Valkenburg, & van der Weijden, 2020; Suvan et al., 2019; Teughels et al., 2020; Trombelli et al., 2020). The corresponding manuscripts are published within this special issue of the Journal of Clinical Periodontology.…”