title: Erratum to: Efficiency of powered systems for interproximal enamel reduction (IER) and enamel roughness before and after polishing-an in vitro study.
authors.affiliation: Department of Orthodontics and Dentofacial Orthopaedics, University of Heidelberg, Heidelberg, Germany. sebastian.zingler@med.uni-heidelberg.de.
authors.forename: Sebastian
authors.initials: S
authors.lastname: Zingler
authors.affiliation: Department of Orthodontics and Dentofacial Orthopaedics, University of Heidelberg, Heidelberg, Germany.
authors.forename: Andreas
authors.initials: A
authors.lastname: Sommer
authors.affiliation: Department of Orthodontics and Dentofacial Orthopaedics, University of Heidelberg, Heidelberg, Germany.
authors.forename: Sinan
authors.initials: S
authors.lastname: Sen
authors.affiliation: Institute of Medical Biometry and Informatics, University of Heidelberg, Heidelberg, Germany.
authors.forename: Daniel
authors.initials: D
authors.lastname: Saure
authors.affiliation: Institute of Materials Science, Technische Universität Darmstadt, Darmstadt, Germany.|Heraeus Holding GmbH, Hanau, Germany.
authors.forename: Jochen
authors.initials: J
authors.lastname: Langer
authors.affiliation: Institute of Materials Science, Technische Universität Darmstadt, Darmstadt, Germany.|Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research, Materials Synthesis and Processing, Jülich, Germany.
authors.forename: Olivier
authors.initials: O
authors.lastname: Guillon
authors.affiliation: Department of Orthodontics and Dentofacial Orthopaedics, University of Heidelberg, Heidelberg, Germany.
authors.forename: Christopher J
authors.initials: CJ
authors.lastname: Lux