Statistical inference with confidence intervals
Let’s assume that, for our study, we take a sample from the population of interest and we want to draw conclusions about the population based on the data from this…
Orthodontics
Effect of low-level laser irradiation on the rate and short-term stability of rotational tooth movement in dogs
Introduction Low-level laser therapy (LLLT) has many biostimulative effects such as acceleration of mesiodistal orthodontic tooth movement. However, its effects on the extent and short-term stability of rotational tooth movement…
Twin block functional therapy: Applications in dentofacial orthopedics, 3rd ed
The third edition of Twin Block Functional Therapy: Applications in Dentofacial Orthopedics amazes the reader with its detailed description of clinical procedures and clinical case reports backed up by high-quality…
Extraction vs no treatment: Long-term facial profile changes
Introduction Long-term soft tissue response to extraction orthodontic treatment has been a subject of interest for years. The purposes of this study were to investigate long-term soft tissue profile changes…
Association of orthodontic force system and root resorption: A systematic review
Introduction In this systematic review, we assessed the literature to determine which evidence level supports the association of orthodontic force system and root resorption. Methods PubMed, Cochrane, and Embase databases…
Influence of common fixed retainers on the diagnostic quality of cranial magnetic resonance images
Introduction Orthodontists are often asked to remove fixed retainers before magnetic resonance imaging (MRI). This study was undertaken to assess the effects of 2 commonly used fixed retainers on MRI…
What record is playing?
A reader sent in the following question. Larry: In talking at recent meetings to fellow orthodontists, it seems that a rising number of people are taking only intraoral and extraoral…
Impact of malocclusion and common oral diseases on oral health–related quality of life in young adults
Introduction The aim of this study was to assess the association between malocclusion and oral health–related quality of life in young adults without orthodontic treatment, controlling for sociodemographic factors and…
Flapless cortical bone damage has no effect on medullary bone mesial to teeth being moved
Introduction In this study, we evaluated the effects of bone awl–induced damage to bone surrounding a tooth that was moved. Methods A randomized split-mouth design with 7 foxhounds was performed…
Follow-up study of dental and skeletal changes in patients with obstructive sleep apnea and hypopnea syndrome with long-term treatment with the Silensor appliance
Introduction In this study, we aimed to investigate the dental and skeletal changes associated with long-term use of the Silensor appliance (Erkodent, Cologne, Germany) in patients with obstructive sleep apnea…
Orthodontic profiles: John Valentine Mershon
John Valentine Mershon John Valentine Mershon was a simple, kindly, and unpretentious man who was endowed with qualities of mind and heart that marked him as a great personality. As…
Residents’ journal review
Early treatment of Class III malocclusion Masucci C, Franchi L, Giuntini V, Defraia E. Short-term effects of a modified Alt-RAMEC protocol for early treatment of Class III malocclusion: a controlled…
Dr Angle’s private orthodontic practice
We here at Century Orthodontics in St Louis enjoyed reading Dr Behrents’ editorial, “January 1, 1915, revisited,” in the January issue (Behrents RG. January 1, 1915, revisited. Am J Orthod…
Charles Virgil Mosby
I am writing this letter in longhand after reading the Editorial in the January 2015 issue of the AJO-DO (Behrents RG. January 1, 1915, revisited. Am J Orthod Dentofacial Orthop…
Who is an “Orthodontist”? Reprise for 2015
In the early 1890s, it was fairly easy to become a dentist. Most of the applicants to a dental school had just completed high school, they paid “a few pennies” to…
Who is an “Orthodontist”?
At this time when the profession is more or less divided as to whether they are practicing “orthodontia” or “orthodontics,” the question has been raised as to who is an…
Combined surgical-orthodontic treatment: How did it evolve and what are the best practices now?
It has been 50 years since the landmark presentation by Hugo Obwegeser at Walter Reed Army Hospital. At that conference, Professor Obwegeser offered American surgeons techniques to correct facial skeletal deformities…
Incorporating 3-dimensional models in online articles
Introduction The aims of this article are to introduce the capability to view and interact with 3-dimensional (3D) surface models in online publications, and to describe how to prepare surface…
Orthodontic material applications over the past century: Evolution of research methods to address clinical queries
The advances in the field of materials as they relate to orthodontics can be divided into the actual evolution of materials applied to daily practice and the changes in research…
Evolution of occlusion and temporomandibular disorder in orthodontics: Past, present, and future
Occlusion has been an important consideration in orthodontics since the beginning of the discipline. Early emphasis was placed on the alignment of the teeth, the stability of the intercuspal position,…
