Correction to: Frequency and variability of nonmetric dental crown traits of primary and permanent molars in a group of orthodontic patients

Affiliations

• ¹ Department of Biomaterials, University of Uberaba - UNIUBE, Uberaba, Minas Gerais, Brazil.
• ² Department of Orthodontics, University Medical Centre of Regensburg, Regensburg, Germany.
• ³ Department of Orthodontics, University of Bonn, Welschnonnenstr. 17, 53111, Bonn, Germany.
• ⁴ School of Dentistry, Tuiuti University from Paraná, Curitiba, Paraná, Brazil.
• ⁵ Department of Dentistry, Univille - University from the Joinville Region, Joinville, Santa Catarina, Brazil.
• ⁶ Private Orthodontic Practice, Synagogenstr. 1, Ibbenbüren, Germany.
• ⁷ Department of Orthodontics, University of Bonn, Welschnonnenstr. 17, 53111, Bonn, Germany. ekuchler@uni-bonn.de.