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The world of journalism is gradually transitioning from print to online versions of newspapers, magazines, and scientific journals. As a member of the American Association of Orthodontists, you can read…
Online only abstracts
Physical properties of root cementum: Part 20. Effect of fluoride on orthodontically induced root resorption with light and heavy orthodontic forces for 4 weeks: A microcomputed tomography study Ersan Ilsay…
Concerns about the new logo!
This letter contains feedback regarding the new AAO logo. People might regard this feedback as minute criticism, at which we orthodontists must excel. Among the hallmarks ingrained in clinical orthodontic…
Faces in 4 dimensions: Why do we care, and why the fourth dimension?
The purpose of this article is to describe a dynamic approach for 3-dimensional analyses of facial soft-tissue movements. The method and analysis have numerous applications but, most specifically, are used…
Combined 3-dimensional and mirror-image analysis for the diagnosis of asymmetry
Three-dimensional imaging techniques have greatly improved our ability to assess asymmetry by means of linear and angular measurements. However, visualizing deformities enables a unique appreciation of the underlying deformity, which…
The Alexander Discipline, Volume 2: Long-term stability
Dr Alexander has been a major contributor to clinical orthodontics for many years. Also a longtime faculty member, he is currently a clinical professor of orthodontics at Baylor in Dallas,…
Randomization. Part 2: Minimization
As I explained last month in part 1, during the randomization process, we generate and allocate interventions to trial arms in a way that ensures that neither the investigators nor…
Failing the ABO examination: Admissible evidence?
Okay, you have been sued for malpractice. Obviously, when you are called to testify, part of your testimony will pertain to your educational and professional background. You took the ABO…
Nonsurgical treatment of a Class III patient with a lateral open-bite malocclusion
A 15.3-year-old white girl with a skeletal Class III malocclusion and a severe lateral open bite was treated with conventional orthodontics and directional force mechanics and elastics. She had 5…
Control of maxillary dentition with 2 midpalatal orthodontic miniscrews
The midpalatal area has no critical anatomic structures and has thick cortical bone. These conditions are favorable for miniscrew implantation. Also, there is no concern that damaging a dental root…
Treatment of an adult with several missing teeth and atrophic old mandibular first molar extraction sites
This report describes the orthodontic treatment of a woman, aged 34 years 2 months, with several missing teeth and atrophic mandibular first molar extraction sites. We had planned to close…
Dental age assessment in patients with maxillary canine displacement
Introduction The aims of this study were to investigate the relationship between dental age and maxillary canine displacement with 2 methods, to study differences in dental development between the displaced…
Patterns of third-molar agenesis and associated dental anomalies in an orthodontic population
Introduction The aim of this study was to investigate the frequency of dental anomalies in orthodontic patients with different patterns of third-molar agenesis, comparing them with patients without third-molar agenesis….
Differences in craniofacial and dental characteristics of adolescent Mexican Americans and European Americans
Introduction The purpose of this study was to compare the soft-tissue profiles of matched Class I adolescent European Americans and Mexican Americans. The secondary aim was to explain profile differences…
Transverse maxillary arch form and mandibular asymmetry in patients with posterior unilateral crossbite
Introduction Posterior unilateral crossbite treatment is usually oriented to the maxilla. The aims of this retrospective investigation were (1) to study the maxillary arch morphology in patients with posterior unilateral…
Applicant selection procedures for orthodontic specialty programs in the United States: Survey of program directors
Introduction With the recent changes in scoring of the National Board Dental Examinations and grading systems in some dental schools, ranking prospective orthodontic applicants has become a challenge. Methods A…
Association between dental floss use and gingival conditions in orthodontic patients
Introduction Evidence comparing periodontal conditions in orthodontic patients who regularly use or do not use dental floss is scarce. Methods The subjects were 330 patients who had been under fixed…
Cortical bone thickness and bone depth of the posterior palatal alveolar process for mini-implant insertion in adults
Introduction Cortical bone thickness and bone depth are important factors when placing an orthodontic mini-implant. The objective of this study was to investigate both variables for the palatal alveolar process….
In-vitro and in-vivo study of periodontal ligament cryopreserved with a magnetic field
Introduction The purpose of this study was to examine the effect of a new cryopreservation method with a magnetic field on periodontal regeneration in vitro and in vivo. Methods Human periodontal ligament…
Three-dimensional assessment of maxillary changes associated with bone anchored maxillary protraction
Introduction Bone-anchored maxillary protraction has been shown to be an effective treatment modality for the correction of Class III malocclusions. The purpose of this study was to evaluate 3-dimensional changes…
