Introduction Orthodontists assess mesiodistal root angulations before, during, and after orthodontic treatment as an aid in establishing proper root position. Panoramic imaging has been useful for this purpose and is…
Introduction The long-term stability of posterior crossbite correction in the mixed dentition has not been sufficiently evaluated. Our aim was to compare long-term outcomes in patients with crossbite correction by…
Introduction The purposes of this study were to determine the incidence of open gingival embrasures after a single mandibular incisor extraction and to investigate whether age, sex, interproximal pretreatment and…
The introductory chapter describes the physical laws of mechanics governing forces and motions in the context of orthodontics. Described are concepts such as moments and couples, centers of resistance, center…
A reader recently sent me this letter. Doc: I probably spend more time doing consultations before braces than anyone. It really bugs my staff, but I view it as relationship…
Attaining Board Certification should be a goal of every orthodontic resident, orthodontic educator, and practicing orthodontist. The Board Certification process requires commitment, persistence, firmness of purpose, and sacrifice. Procrastination is…
Introduction The influence of the forces exerted by the perioral musculature on the position of the teeth has been the object of many scientific studies. Of the forces from the…
Introduction The American Board of Orthodontics’ discrepancy index (DI) was designed to objectively quantify the complexity of a malocclusion before orthodontic treatment. In this study, we assessed the influence of…
Introduction The aims of this study were to compare blood parameters and periodontal characteristics of orthodontic patients allergic to nickel with those of nonallergic patients and to determine the correlation…
Introduction Computer-based smile esthetic surveys based on slider technology allow more precise control of variables and the possibility of obtaining continuous data. Variations in the perception of smiles from different…
Introduction Axial rotation of orthodontic wire produces buccal or lingual root movement and is often referred to as third-order movement or “torque expression.” The objective of this study was to…
Introduction Electron-beam irradiation can be used to influence the properties of polymers. Electron beams cause cross-linking that enhances the molecular mass of the polymer; this leads to branched chains until,…
Introduction Our objective was too assess the effectiveness of 3 analgesics (ibuprofen, naproxen sodium, and acetaminophen) and a placebo administered before and after the placement of separators in reducing the…
Introduction The aim of this community-based trial was to compare the effectiveness of the quad-helix appliance and removable plates for treating posterior crossbite. Methods Ninety-nine patients were randomly divided into…
Introduction Teaching orthodontic postgraduate students about occlusion and the temporomandibular joint is a fundamental component of their education, but faculty members are confronted with disputes and controversies about these topics….
I want to thank the editor of the AJO-DO for inviting me to respond to the essay by Professor Rudy Slavicek. Unlike him, I won’t be starting at the time…
We would like to thank Dr Ellis for her interest in our recent guest editorial. We were disappointed that she felt that our criticism of practitioners who do not fully…
Success of maxillary canine autotransplantation Patel S, Fanshawe T, Bister D, Cobourne MT. Survival and success of maxillary canine autotransplantation: a retrospective investigation. Eur J Orthod 2010; e-pub, September 2010….
In their recent guest editorial (O’Brien K, Sandler J. In the land of no evidence, is the saleman king? Am J Orthod Dentofacial Orthop 2010;138:247-9), Drs O’Brien and Sandler leveled…
The succession of hominids about 5 or 6 million years ago led to continuous development that culminated in Homo . The first Homo , also known by the basic designation…
