Rapid canine retraction: Is it actually happening?
Abbas et al did a commendable job in taking upon themselves a huge project involving 2 surgical procedures with a control intertwined in a prospective randomized clinical trial. However, much is…
Why are we fighting the Medical Device Excise Tax?
“No law is sufficiently convenient to all.” “Let the bears pay the bear tax. I’ll pay the Homer tax.” For the past several years, the American Association of Orthodontists (AAO)…
Surgical and orthodontic management of maxillary canine-lateral incisor transpositions
Transposition of the maxillary canine and the lateral incisor is a complex dental anomaly to treat. The difficulty increases if the treatment aims to correct the transposition. These case reports…
Change in the vertical dimension of Class II Division 1 patients after use of cervical or high-pull headgear
Introduction The goals of this study were to compare the effects that cervical and high-pull headgear have on the vertical dimensions in Class II Division 1 patients during phase 1 treatment…
Adverse effects of lingual and buccal orthodontic techniques
In their interesting and timely review in the June 2016 issue of the AJO-DO , Dr Fadi Ata-Ali et al cited an article of ours that was published in 2013 in…
Assessing agreement in measurements of orthodontic study models: Digital caliper on plaster models vs 3-dimensional software on models scanned by structured-light scanner
Introduction In this study we aimed to compare measurements on plaster models using a digital caliper, and on 3-dimensional (3D) digital models, produced using a structured-light scanner, using 3D software….
Treatment with Twin-block appliance followed by fixed appliance therapy in a growing Class II patient
A girl, aged 11 years 4 months, with a skeletal Class II pattern and a severe overjet (10 mm) was treated with a Twin-block appliance. After 9 months of appliance therapy, the skeletal Class…
Aligner orthodontics: Diagnostics, biomechanics, planning and treatment
Since the advent of popular clear aligner systems, including but not limited to Invisalign, there has been an increased need for a textbook with good scientific evidence on the topic….
En-masse protraction of mandibular posterior teeth into missing mandibular lateral incisor spaces using a fixed functional appliance
Protraction of mandibular posterior teeth requiring absolute anchorage has always been a challenge, especially when the space is located in the anterior region, since more teeth must be protracted. Traditionally,…
Comparisons of tooth sizes, dental arch dimensions, tooth wear, and dental crowding in Amazonian indigenous people
Inroduction Our objective was to assess tooth wear, arch dimensions, tooth sizes, and dental crowding in 4 remote indigenous villages on the Xingu River in Brazil. These populations have similar…
Microbiological assessment of aerosol generated during debond of fixed orthodontic appliances
Introduction The aims of this study were to describe bacterial load and diversity of the aerosol created during enamel cleanup after the removal of fixed orthodontic appliances and to assess…
The chi-square test
We are interested in examining whether the alignment status (presence or absence) is associated with the wire type (A or B). This association can be tested by using a chi-square…
It’s not the same thing
In Baird v Owczarek , No. 504, 2013 (Del. Sup. Ct. May 28, 2014), the plaintiff underwent LASIK surgery on both eyes, had a second procedure on the left eye,…
Comparative evaluation of 2 skeletally anchored maxillary protraction protocols
Introduction The aim of this study was to evaluate and compare the effects of 2 protocols of bone-anchored maxillary protraction with an untreated control group. Methods Thirty growing Class III…
Cephalometric study of Class II Division 1 patients treated with an extended-duration, reinforced, banded Herbst appliance followed by fixed appliances
Introduction The Herbst appliance has been used in the treatment of Class II malocclusions with deficient mandibles. Various protocols, including different durations of the orthopedic treatment phase and stepwise advancement…
Retrospective study of maxillary sinus dimensions and pneumatization in adult patients with an anterior open bite
Introduction The aim of this study was to evaluate differences in the maxillary sinus floor levels between adults with an anterior open bite and those without. Methods This retrospective study…
Applications of cone-beam computed tomography to assess the effects of labial crown morphologies and collum angles on torque for maxillary anterior teeth
Introduction Currently, cone-beam computed tomography (CBCT) has been widely used because of its capacity to evaluate the anatomic structures of the maxilla, mandible, and teeth in 3 dimensions. However, articles…
Cone-beam computed tomography–synthesized cephalometric study of operated unilateral cleft lip and palate and noncleft children with Class III skeletal relationship
Introduction Our objective was to compare the craniofacial hard and soft tissue characteristics between children with operated unilateral cleft lip and palate (UCLP) and children with noncleft lip and palate…
Comparison of direct and indirect skeletal anchorage systems combined with 2 canine retraction techniques
Introduction We compared the effectiveness of 2 canine retraction springs and anchorage systems (direct and indirect skeletal anchorage) in patients requiring first premolar extractions and maximum anchorage in the maxilla….
Treatment-associated changes in malocclusion and oral health–related quality of life: A 4-year cohort study
Introduction The impact of orthodontic treatment on oral health–related quality of life (OHRQoL) in adolescents being treated in orthodontic practices has not yet been explored longitudinally. The aim of this…
