title: International Journal of Implant Dentistry.
authors.affiliation: Klinik für MKG-Chirurgie, Rotes Kreuz Krankenhaus Kassel gGmbH, Kassel, Germany. terheyden@rkh-kassel.de.
authors.forename: Hendrik
authors.initials: H
authors.lastname: Terheyden
authors.affiliation: Osaka University Graduate School of Dentistry, Osaka, Japan.
authors.forename: Yoshinobu
authors.initials: Y
authors.lastname: Maeda