Peer reviewed publications: 2007: Wellens H. Applicability of mathematical curve-fitting procedures to late mixed dentition patients with crowding: a clinical-experimental evaluation. Am J Orthod Dentofacial Orthop. 2007 Feb;131(2):160.e17-25. 2007: Wellens H. A clinical experimental simulation of changes in intercanine width associated with the correction of crowding: a pilot study. Eur J Orthod. 2007 Dec;29(6):632-8. 2009: Wellens H. Improving the concordance between various anteroposterior cephalometric measurements using Procrustes analysis. Eur J Orthod. 2009 Oct;31(5):503-15. 2013: Wellens HL, Kuijpers-Jagtman AM, Halazonetis DJ. Geometric morphometric Analysis of craniofacial variation, ontogeny and modularity in a cross-sectional sample of modern humans. J Anat. 2013 Apr;222(4):397- 409. 2016: Wellens HL, Kuijpers-Jagtman AM. Connecting the new with the old: modifying the combined application of Procrustes superimposition and principal component analysis, to allow for comparison with traditional lateral cephalometric variables. Eur J Orthod. 2016 Dec;38(6):569-576. 2017: Wellens HL, BeGole EA, Kuijpers-Jagtman AM. ROC surface assessment of the ANB angle and Wits appraisal's diagnostic performance with a statistically derived 'gold standard': does normalizing measurements have any merit? Eur J Orthod. 2017 Feb 15. 2019: Doctoral thesis: “Applications of Procrustes analysis in orthontic diagnosis and treatment planning.” Scientific accomplishments: 2003: Winner of the scientific contest of the Tandartsenkrant (”Dentist News”) with “Ectopische eruptie van de hoektand: diagnose en interceptie. Een ‘literature-based’ stapsgewijze benadering met behulp van flowcharts.” 2004: Scientific laureate for the VVT (”Society of Flemish dentists”). 2005: Poster presentation at the VVT congress: "Orthodontische behandelingstiming voor de algemeen practicus. Een 'literature-based' stapsgewijze benadering met behulp van flowcharts." as well as "Orthodontisch- chirurgische correctie van een klasse II,I malocclusie met een agenesie van één onderpremolaar". 2008: Oral presentation at the "3-D Virtual Diagnosis and Treatment Planning of Cranio-Maxillo-Facial Deformity" congress in Bruges, with “Improving the concordance between the ANB angle and Wits appraisal using Procrustes analysis”. 2008: Invited lecture at the University of Chicago at Illinois (UIC): “Assessing sagittal discrepancy: finding a cure for the diagnosis” (1,5 hours). 2016: Oral presentation at the American association of Orthodontics conference, Orlando: “Connecting the New with the Old: Modifying the Combined Application of Procrustes Superimposition and Principal Component Analysis, to Allow for Comparison with Traditional Lateral Cephalometric Variables”. 2016: Oral presentation at the Mediteranian Orthodontic congress, Cyprus: “Assessing the ANB angle and Wits appraisal`s diagnostic performance using true gold standard ROC curve analysis: does normalizing measurements have any merit?”. 2016: Top reviewer for the American Journal of Orthodontics and Dentofacial Orthopedics. 2019: PhD in medical sciences from Radboud University Nijmegen, The Netherlands (Prof. A.M. Kuijpers- Jagtman). Research interests: • Dental arch form • Cefalometrics • Application of geometric morphometric techniques in orthodontic diagnosis and treatment planning • Stereophotogrammetry Further scientific activities: • Reviewer, American Journal of Orthodontics • Reviewer, European Journal of Orthodontics • Reviewer, Orthodontics and Craniofacial research • Reviewer, Australian Journal of Orthodontics • Reviewer, Journal of Anatomy

Hans Wellens, DDS, PhD • Graduated from the University of Ghent in 1996 • Certified orthodontist • PhD from Radboud University Nijmegen, the Netherlands (Prof. A.M. Kuipers-Jagtman)