Use of rhythmic wire system with miniscrews to correct occlusal-plane canting
Occlusal-plane canting is a challenging problem for orthodontists because it cannot be solved easily without surgical intervention. Normally, a LeFort I osteotomy and concomitant mandibular surgery is used to correct…
Elimination of transverse dental compensation is critical for treatment of patients with severe facial asymmetry
This case report describes the importance of eliminating transverse dental compensation during preoperative orthodontic treatment for a patient with severe facial asymmetry. The patient, a 17-year-old Japanese woman, had severe…
Commercially available archwire forms compared with normal dental arch forms in a Japanese population
Introduction The objective of this research was to evaluate commercially available preformed archwire forms compared with normal dental arch forms. Methods Thirty mandibular dental casts were made of orthodontically untreated subjects…
Oral appliance treatment for obstructive sleep apnea in a partly edentulous patient
Introduction We report on the use of an oral appliance fitted to a few maxillary and mandibular teeth to treat obstructive sleep apnea syndrome. Methods We used a mandibular repositioning…
Martin Kean, 1929-2009
Martin Kean Professor Emeritus Martin Kean, a distinguished New Zealand orthodontist, died in Dunedin on December 11, 2009, at age 80. He was born in New Zealand and graduated with…
News, comments, and service announcements
Professor Bjørn Zachrisson receives the Paul Herren Award 2009 The Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Switzerland, established the Paul Herren Award in memory of its former…
Potential of self-drilling orthodontic microimplants under immediate loading
Introduction The aim of this study was to investigate clinically and histologically the efficiency of self-drilling microimplants as orthodontic anchorage with immediate, continuous, and constant loadings. Methods Titanium-alloy microimplants with…
Directory: AAO Officers and Organizations
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Interview with the Editor: David L. Turpin
David L. Turpin has worked on dental journals for over 30 years—from his early days on the Pacific Coast Society of Orthodontists Bulletin , to the Angle Orthodontist , and…
Meeting announcements
AAO Annual Sessions April 30-May 4, 2010 Washington, DC May 13-17, 2011 Chicago, Ill May 4-8, 2012 Honolulu, Hawaii April 26-30, 2013 New York, NY American Association of Orthodontists April…
Does a transverse maxillary deficit affect the cervical vertebrae? A pilot study
Introduction The aim of this pilot study was to analyze the morphology of the cervical vertebrae of subjects with transverse maxillary constriction. Methods The study population included 40 subjects (7-11…
Modifications of midpalatal sutural density induced by rapid maxillary expansion: A low-dose computed-tomography evaluation
Introduction The aim of this study was to evaluate the density of the midpalatal suture as assessed by low-dose computed tomography (CT) before rapid maxillary expansion (RME) (T0), at the…
Microleakage of orthodontic band cement at the cement-enamel and cement-band interfaces
Introduction Our objective was to determine and compare microleakage patterns of conventional glass ionomer cement (GIC), resin modified GIC (RMGIC), and polyacid-modified composite for band cementation. Methods Sixty freshly extracted…
Bond strength of orthodontic brackets with new self-adhesive resin cements
Introduction In this investigation, we determined the shear bond strength (SBS) of metallic and ceramic orthodontic brackets with new self-adhesive cements. Methods One hundred extracted premolars were used. They were…
Prediction of the mesiodistal width of unerupted permanent canines and premolars: A statistical approach
Introduction Prediction of the mesiodistal width of unerupted permanent canines and premolars is of major interest for orthodontic diagnosis and treatment planning. Methods To improve the accuracy of the prediction,…
Repair of root resorption 2 to 16 weeks after the application of continuous forces on maxillary first molars in rats: A 2- and 3-dimensional quantitative evaluation
Introduction Root resorption is a side effect of orthodontic treatment that occurs with the removal of hyalinized tissue. Studies have shown that a reparative process in the periodontium begins when…
Root resorption associated with orthodontic tooth movement: A systematic review
Introduction This systematic review evaluated root resorption as an outcome for patients who had orthodontic tooth movement. The results could provide the best available evidence for clinical decisions to minimize…
Effects of premolar extractions on Bolton overall ratios and tooth-size discrepancies in a Japanese orthodontic population
Introduction The purpose of this study was to investigate the effects of premolar extractions on the Bolton overall ratios and overall tooth-size discrepancies in a Japanese orthodontic population. Methods Mesiodistal…
Surface characteristics of orthodontic adhesives and effects on streptococcal adhesion
Introduction In this study, we analyzed the surface roughness (SR) and surface free energy (SFE) characteristics of various orthodontic adhesives and their effects on the adhesion of mutans streptococci (MS)….
