Erratum to: Favero CS, English JD, Cozad BE, Wirthlin JO, Short MM, Kasper FK. Effect of print layer height and printer type on the accuracy of 3-dimensional printed orthodontic models. Am J Orthod Dentofacial Orthop. 2017;152(4):557-65.

In the above-referenced article, the following acknowledgments should have been included:

This work was supported by the Milton Yellen Memorial Fund of The University of Texas Health Science Center at Houston School of Dentistry and a gift from The Orthodontic Foundation. We thank James Bonham and Arlen Hurt with Specialty Appliances, Bryce Servine with 365 Printing, and Chris Kabot with EnvisionTec for providing 3D-printed archforms, and Dr. Xu Zhang for assistance concerning statistical analysis.