| Editorial |
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What was wrong with the old practice model?
I can remember when some instructors in my orthodontic residency spoke fondly about their private practices in the “old days.” They recalled having only 1 or 2 treatment chairs, a receptionist who dou...
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Vincent G. Kokich
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525
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| Readers' Forum |
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MI Paste Plus research
I have concerns about an article in the November 2011 issue of the AJO-DO examining the use of MI Paste Plus to prevent demineralization. It is an extremely important topic; we’ve been discussing this...
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Diane Johnson
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526
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Author’s response
Thank you very much for your letter. The placebo paste used in this trial did not contain fluoride. However, it would be difficult to extrapolate from the data that the positive results seen in the MI...
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Chung How Kau
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526
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Orthodontic dental casts: The case against routine articulator mounting
With interest, I read the Point/Counterpoint discussion on articulator mounting of dental casts in the January 2012 issue of the AJO-DO. Some statements by Drs Rinchuse and Kandasamy raise many questi...
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Claudia Aichinger
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527
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Authors' response
We thank Dr Aichinger for her interest in our article. It appears that she is clutching at any possible excuse to support and justify a long-held orthodontic gnathologic view that does not fit well wi...
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Donald J. Rinchuse,
Sanjivan Kandasamy
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527-528
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Articulators in orthodontics
I want to thank all the authors who participated in the interesting and thought-provoking Point/Counterpoint on the use of articulators by orthodontists. Several points seem worthy of mention.
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J. Michael Hudson
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528-529
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Tone of January Point/Counterpoint
I enjoy reading the Point/Counterpoint feature that you initiated a year ago. It’s an excellent addition to the Journal. As a general dentist and an orthodontist-in-training, I find that these feature...
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Marc Yarascavitch
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529
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Mounted dental casts
Evidence-based dentistry will probably never settle the use of articulators in orthodontics. I was not trained to mount models. One case convinced me to change: an innocent-looking, mild Class II malo...
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G. Frank Petrick
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529-530
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Bone anchored maxillary protraction
The thought-provoking article by Nguyen et al in the December issue reported on an assessment of maxillary protraction with bone anchorage. Comprehensive methods to treat maxillary deficiency are avai...
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Ajay Mathur,
N.G. Toshniwal,
Om P. Kharbanda,
Arvind Thakur
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530-531
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Author’s response
We thank Dr Mathur and his group for their interesting comments regarding in our article. Below are our responses to the questions that were asked.
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Tung Nguyen
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531-532
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Growth patterns in identical twins
I was interested in the online case report by Sugawara et al mainly because of their finding that 1-phase and 2-phase results “showed identical dentofacial characteristics,” whereas my own study on 12...
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John Mew
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532
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Authors' response
We appreciate the interest Dr Mew has taken in this controversial topic on the orthopedic effects of early treatment. Since he appears to have conducted a study with a larger number of twins, we were ...
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Junji Sugawara,
Ravindra Nanda
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532-533
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| Ethics in Orthodontics |
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What's fair is fair
Your last initial examination of the week is another transfer patient. It seems that you have been identified as a willing recipient of these patients, because the caller told your receptionist that s...
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Peter M. Greco
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534
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| Residents' Journal Review |
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Residents' journal review
Transverse maxillary hypoplasia exists in nondysgnathic syndromal, cleft lip and palate patients, or patients with craniofacial syndromes. There is no consensus regarding the surgical technique that s...
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Barry Briss,
Vicky Cartsos
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535-537
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| Online Only |
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Conservative orthodontic treatment for a patient with a unilateral condylar fracture
Trauma to the mandible often causes condylar fracture. This article reports the conservative treatment of a 10-year-old girl with a unilateral condylar fracture, highlighting the diagnostic aspects in...
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Carlos Alberto Estevanell Tavares,
Susiane Allgayer
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e75-e84
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| Original Articles |
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Microdamage of the cortical bone during mini-implant insertion with self-drilling and self-tapping techniques: A randomized controlled trial
Introduction: The purpose of this research was to evaluate microdamage accumulation after mini-implant placement by self-drilling (without a pilot hole) and self-tapping (screwed into a pilot hole) in...
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Sumit Yadav,
Madhur Upadhyay,
Sean Liu,
Eugene Roberts,
William P. Neace,
Ravindra Nanda
et al.
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538-546
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Root damage and repair in patients with temporary skeletal anchorage devices
Introduction: The aim of this study was to evaluate the reparative potential of cementum histologically after intentional root contact with a temporary skeletal anchorage device. Methods: Seventeen pa...
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Kasim Shakeel Ahmed V,
Thavarajah Rooban,
Nathamuni Rengarajan Krishnaswamy,
Karthik Mani,
Goutham Kalladka
et al.
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547-555
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Interrelationship between the position of impacted maxillary canines and the morphology of the maxilla
Introduction: The aim of this study was to examine whether there is a relationship between the position of impacted maxillary canines and the morphology of the maxilla. Methods: The palatally impacted...
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Yoojun Kim,
Hong-Keun Hyun,
Ki-Taeg Jang
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556-562
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Orthodontic tooth movement and root resorption in ovariectomized rats treated by systemic administration of zoledronic acid
Introduction: The effect of zoledronic acid, a potent and novel bisphosphonate, on tooth movement and orthodontically induced root resorption in osteoporotic animals systemically treated with zoledron...
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Irin Sirisoontorn,
Hitoshi Hotokezaka,
Megumi Hashimoto,
Carmen Gonzales,
Suwannee Luppanapornlarp,
M. Ali Darendeliler,
Noriaki Yoshida
et al.
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563-573
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Increased susceptibility for white spot lesions by surplus orthodontic etching exceeding bracket base area
Introduction: There is a paucity of information with regard to the susceptibility of iatrogenic white spot lesion formation after inattentive, surplus orthodontic etching with 30% phosphoric acid and ...
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Michael Knösel,
Mariana Bojes,
Klaus Jung,
Dirk Ziebolz
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574-582
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In-vitro assessment of oxidative stress generated by orthodontic archwires
Introduction: Several metals undergo redox cycling, producing free radicals and generating oxidative stress. The purpose of this study was to investigate in-vitro oxidative stress of orthodontic archw...
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Stjepan Spalj,
Magda Mlacovic Zrinski,
Vedrana Tudor Spalj,
Zorana Ivankovic Buljan
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583-589
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Three-dimensional biometric study of palatine rugae in children with a mixed-model analysis: A 9-year longitudinal study
Introduction: The palatine rugae have been suggested as stable reference points for superimposing 3-dimensional virtual models before and after orthodontic treatment. We investigated 3-dimensional cha...
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Hong-Kyun Kim,
Sung-Chul Moon,
Shin-Jae Lee,
Young-Seok Park
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590-597
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Influence of thermoplastic retainers on Streptococcus mutans and Lactobacillus adhesion
Introduction: This study was designed to test the hypothesis that thermoplastic retainers influence oral microbial flora during the retention period because they prevent the flushing effect of saliva ...
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Çağrı Türköz,
Nehir Canigür Bavbek,
Selin Kale Varlik,
Gülçin Akça
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598-603
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Mesiodistal angulation and faciolingual inclination of each whole tooth in 3-dimensional space in patients with near-normal occlusion
Introduction: An important objective of orthodontic treatment is to obtain the correct mesiodistal angulation and faciolingual inclination for all teeth. Current techniques are based on crown angulati...
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Hongsheng Tong,
Donald Kwon,
Jianlu Shi,
Nicole Sakai,
Reyes Enciso,
Glenn T. Sameshima
et al.
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604-617
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Three-dimensional computed tomography analysis of airway volume changes after rapid maxillary expansion
Introduction: In this retrospective study with 3-dimensional computed tomography, we evaluated airway volume, soft-palate area, and soft-tissue thickness changes before and after rapid maxillary expan...
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Tamara Smith,
Ahmed Ghoneima,
Kelton Stewart,
Sean Liu,
George Eckert,
Stacy Halum,
Katherine Kula
et al.
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618-626
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| Case Reports |
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Treatment of skeletal open-bite malocclusion with lymphangioma of the tongue
Lymphangioma of the tongue causes massive tongue enlargement, leading to difficulties in swallowing and mastication, speech disturbances, airway obstruction, and skeletal deformities such as open-bite...
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Chooryung J. Chung,
Soonshin Hwang,
Yoon-Jeong Choi,
Kyung-Ho Kim
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627-640
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Multiple congenitally missing teeth treated with autotransplantation and orthodontics
Treatment of children with several congenitally missing teeth is challenging, because growth and development of the oral structures must be considered. The treatment options include retaining the deci...
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Jae Hyun Park,
Kiyoshi Tai,
Kenji Yuasa,
Daisuke Hayashi
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641-651
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| Clinician's Corner |
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Arrested root formation of 4 second premolars: Report of a patient
The shape and size of tooth roots are genetically and phylogenetically predetermined. Clinical defects in root formation can manifest in the form of shortened roots caused by either root agenesis or r...
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Maria L. Pinzon,
Siew-Ging Gong
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652-656
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| Techno Bytes |
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Is the airway volume being correctly analyzed?
Introduction: The aim of the study was to determine the most accurate threshold value for airway volume quantification based on specific experimental conditions. Methods: Ten scans from the airway pro...
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Matheus Alves,
Carolina Baratieri,
Cláudia Trindade Mattos,
Daniel Brunetto,
Ricardo da Cunha Fontes,
Jorge Roberto Lopes Santos,
Antônio Carlos de Oliveira Ruellas
et al.
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657-661
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| Litigation and Legislation |
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Digital signature of electronic dental records
Introduction: The purpose of this article is to examine the feasibility of digital signature technology to guarantee the legal validation of electronic dental records. Methods: The possible uses of di...
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Ivan Toshio Maruo,
Hiroshi Maruo
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662-665
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| Statistics and Research Design |
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Sample calculations for comparing proportions
In the previous article, we introduced the concepts of power and type I and type II errors and gave an example of the required steps for sample-size calculations for comparing 2 means. In this article...
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Nikolaos Pandis
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666-667
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| Book Review |
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Orthodontic Pearls: A Clinician's Guide
Dr Larry White is a well-respected clinician, author, and educator. He has authored or contributed to several books, published numerous articles, and edited several professional publications. He is cu...
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Peter Sinclair
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668
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| Continuing Education |
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Earn 3 hours of CE credit
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Allen Moffitt
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669.e1-669.e2
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Directory: AAO Officers and Organizations
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670
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| Frontmatter |
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Table of Contents
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A2
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Editors
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A10
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Information for Readers
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A12
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Online only abstract
Trauma to the mandible often causes condylar fracture. This article reports the conservative treatment of a 10-year-old girl with a unilateral condylar fracture, highlighting the diagnostic aspects in...
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A14
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