Three-dimensional condylar changes from Herbst appliance and multibracket treatment: A comparison with matched Class II elastics
Robert Y Wei, Arjun Atresh, Antonil Ruellas, Lucia HS Cevidanes, Tung Nguyen, Brent E Larson, Jonathan E Mangum, David J Manton, Paul M Schneider
American Journal of Orthodontics and Dentofacial Orthopedics | MOSBY-ELSEVIER | Published : 2020
INTRODUCTION: The purpose of this study was to quantify and qualify the 3-dimensional (3D) condylar changes using mandibular 3D regional superimposition techniques in adolescent patients with Class II Division 1 malocclusions treated with either a 2-phase or single-phase approach. METHODS: Twenty patients with Herbst appliances who met the inclusion criteria and had cone-beam computed tomography (CBCT) images taken before, 8 weeks after Herbst removal, and after the completion of multibracket appliance treatment constituted the Herbst group. They were compared with 11 subjects with Class II malocclusion who were treated with elastics and multibracket appliances and who had CBCT images taken ..View full abstract
This work was supported in part by the Australian Society of Orthodontists Foundation for Research and Education and the Stanley Jacobs Trust for Orthodontic Research.