Journal 2017 v22n1- Compra de artigo - Dental Press Journal of Orthodontics
Journal 2017 v22n1
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Photoelastic analysis of stress generated by Connecticut Intrusion Arch (CIA)
Photoelastic analysis of stress generated by Connecticut Intrusion Arch (CIA)

Objective: The present in vitro study evaluated, by means of the photoelastic technique, the effects generated by the Connecticut Intrusion Arch (CIA), with a 90o bend on the distal surface of molar tubes and using the 4 x 2 appliance on the anterior and posterior regions of the upper dental arch. Methods: Five models were manufactured, in which two different clinical situations were correlated: 1) use of intrusion arch not cinched back and transpalatal bar for anchorage (Group 1); 2) use of...

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Um novo QUALIS para o Dental Press Journal of Orthodontics


Dispositivo esquelético apoiado no zigomático mostra-se efetivo para correção da má oclusão de classe II esquelética


Exodontia de terceiros molares e pré-molares na Ortodontia convencional e na baseada na remodelação óssea maxilar com ancoragem transitória: indicações e cuidados


Uma entrevista com Jimmy C. Boley


Deformação de molas helicoidais fechadas de níquel-titânio: um estudo in vitro


Efeito da nanotecnologia em sistemas adesivos autocondicionantes na resistência ao cisalhamento da colagem em braquetes ortodônticos de aço inoxidável


Análise fotoelástica das tensões geradas pelo Arco de Intrusão de Connecticut (CIA)


Existem diferenças entre os métodos de comparação utilizados para avaliar a acurácia e confiabilidade de modelos digitais?


Avaliação da agradabilidade facial em indivíduos negros, por meio da análise facial subjetiva


Protótipo para medir in vivo a força de descolagem de braquetes ortodônticos


Avaliação tridimensional das alterações alveolares em resposta a diferentes taxas de ativação na expansão rápida da maxila


Mecânica segmentada sem atrito para o fechamento controlado de espaços


Tratamento não-cirúrgico da deficiência transversal em adultos com expansão rápida da maxila assistida por mini-implantes


Editorial Board


A new QUALIS for the Dental Press Journal of Orthodontics
A new QUALIS for the Dental Press Journal of Orthodontics

In the most recent QUALIS, published at the end of 2016, Dental Press Journal of Orthodontics (DPJO) was upgraded from B3 to B2 stratum by the journals evaluation committee of CAPES (Coordination for the Improvement of Higher Education Personnel), a foundation of the Brazilian Ministry of Education (MEC). That was great news to the main orthodontic scientific journal in Latin America.

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SKELETAL ZYGOMATIC-SUPPORTED DEVICE IS EFFECTIVE FOR THE CORRECTION OF SKELETAL CLASS II MALOCCLUSION
SKELETAL ZYGOMATIC-SUPPORTED DEVICE IS EFFECTIVE FOR THE CORRECTION OF SKELETAL CLASS II MALOCCLUSION

Since the early days of Orthodontics as a specialty, the treatment of unilateral Class II malocclusion is effectively performed with the use of asymmetrical extraoral devices. However, due to the widespread appreciation of esthetics by the society, the use of extraoral devices has become increasingly difficult. In this perspective, we note the rise of intraoral devices like Distal Jet, Pendulum, First Class, Jones Jig, Keles Slider, Wilson arches, and Hilgers, which, though showing...

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Third molars and premolars extraction in conventional orthodontics and in treatments based on maxillary bone remodeling with temporary anchorage: indications and care
Third molars and premolars extraction in conventional orthodontics and in treatments based on maxillary bone remodeling with temporary anchorage: indications and care

A bone is an anatomic structure in constant remodeling, with different, mutant and wonderfully inconstant designs. With every new and immediate functional demand, there are changes in cortical thickness, trabecular bone density and also in direction and size of trabeculae. Bones’ non-stopping search is for adjusting to the functions induced by forces and movements required by a certain life style. Conventional orthodontic planning or with temporary anchorage based on bone remodeling takes...

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An interview with Jimmy C. Boley
An interview with Jimmy C. Boley

I could say that the feeling of editing this interview is astonishing. I met Dr. Jim Boley when I was only 10 years old. At that time, I lived in Dallas with my family and I remember very well the good friendship he had with my parents, which has been extended to us to this date. Dr. Boley, besides practicing and teaching an admirable orthodontics for over five decades, had the privilege of lecturing and spreading all his knowledge in more than twelve countries over forty years. He is known...

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Deformation of nickel-titanium closed coil springs: an in vitro study
Deformation of nickel-titanium closed coil springs: an in vitro study

Objective: The aim of this paper was to determine the amount of deformation in four commercial brands of nickeltitanium closed springs. Methods: A total of 130 springs were divided into 13 subgroups, according to their features and manufacturers (Morelli, Orthometric, Ormco and GAC) and activated from 100% to 1000% of the effective length of the nickel-titanium portion present at the spring, at 37 °C. Deactivation data were plotted and deformation was found graphically. The values were...

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Effect of nanotechnology in self-etch bonding systems on the shear bond strength of stainless steel orthodontic brackets
Effect of nanotechnology in self-etch bonding systems on the shear bond strength of stainless steel orthodontic brackets

Objective: To evaluate the effect of silica dioxide (SiO2) nanofillers in different bonding systems on shear bond strength (SBS) and mode of failure of orthodontic brackets at two experimental times. Methods: Ninety-six intact premolars were divided into four groups: A) Conventional acid-etch and primer Transbond XT; B) Transbond Plus self-etch primer; and two self-etch bonding systems reinforced with silica dioxide nanofiller at different concentrations: C) Futurabond DC at 1%; D) Optibond...

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Are there differences between comparison methods used to evaluate the accuracy and reliability of digital models?
Are there differences between comparison methods used to evaluate the accuracy and reliability of digital models?

Objectives: The accuracy and reliability of plaster models and digital models acquired with two different surface laser scanners were tested by means of three methods: measurement with calipers, digital measurement with proper software and superimposition of the digital models. Methods: Thirty plaster models with permanent dentition that met the inclusion criteria were selected and scanned with two laser scanners (R700 and Xcad). Three examiners measured distances on plaster models with a...

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Evaluation of facial attractiveness in black people according to the subjective facial analysis criteria
Evaluation of facial attractiveness in black people according to the subjective facial analysis criteria

Objective: The objective of this study was to evaluate the facial attractiveness in 30 black individuals, according to the Subjective Facial Analysis criteria. Methods: Frontal and profile view photographs of 30 black individuals were evaluated for facial attractiveness and classified as esthetically unpleasant, acceptable, or pleasant by 50 evaluators: the 30 individuals from the sample, 10 orthodontists, and 10 laymen. Besides assessing the facial attractiveness, the evaluators had to...

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Prototype to measure bracket debonding force in vivo
Prototype to measure bracket debonding force in vivo

Introduction: Material biodegradation that occurs in the mouth may interfere in the bonding strength between the bracket and the enamel, causing lower bond strength values in vivo, in comparison with in vitro studies. Objective: To develop a prototype to measure bracket debonding force in vivo and to evaluate, in vitro, the bond strength obtained with the prototype. Methods: A original plier (3M Unitek) was modified by adding one strain gauge directly connected to its claw. An electronic...

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Three dimensional evaluation of alveolar bone changes in response to different rapid palatal expansion activation rates
Three dimensional evaluation of alveolar bone changes in response to different rapid palatal expansion activation rates

Introduction: The aim of this multi-center retrospective study was to quantify the changes in alveolar bone height and thickness after using two different rapid palatal expansion (RPE) activation protocols, and to determine whether a more rapid rate of expansion is likely to cause more adverse effects, such as alveolar tipping, dental tipping, fenestration and dehiscence of anchorage teeth. Methods: The sample consisted of pre- and post-expansion records from 40 subjects (age 8-15 years) who...

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Frictionless segmented mechanics for controlled space closure
Frictionless segmented mechanics for controlled space closure

Extraction spaces may be needed to achieve specific orthodontic goals of positioning the dentition in harmony with the craniofacial complex. However, the fundamental reality that determines the occlusion final position is the control exerted by the orthodontist while closing the extraction spaces. A specific treatment objective may require the posterior teeth to remain in a constant position anteroposteriorly as well as vertically, while the anterior teeth occupy the entire extraction site....

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Non-surgical treatment of transverse deficiency in adults using Microimplant-assisted Rapid Palatal Expansion (MARPE)
Non-surgical treatment of transverse deficiency in adults using Microimplant-assisted Rapid Palatal Expansion (MARPE)

Introduction: Maxillary transverse deficiency is a highly prevalent malocclusion present in all age groups, from primary to permanent dentition. If not treated on time, it can aggravate and evolve to a more complex malocclusion, hindering facial growth and development. Aside from the occlusal consequences, the deficiency can bring about serious respiratory problems as well, due to the consequent nasal constriction usually associated. In growing patients, this condition can be easily handled...

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