Artigo: Alterações no osso alveolar de suporte induzidas pelo aparelho de Herbst: uma avaliação tomográfica - Journal 2016 v21n2 - DPJO

Journal 2016 v21n2

Journal 2016 v21n2


Alterações no osso alveolar de suporte induzidas pelo aparelho de Herbst: uma avaliação tomográfica

Artigo Inédito

Autores: Dirceu Barnabé Raveli, Taísa Boamorte Raveli, Humberto Osvaldo Schwartz Filho, João Paulo Schwartz, 

On gardens, brackets and money
On gardens, brackets and money

Understanding the scenarios of the orthodontic community in different countries may favor the political and administrative positioning of institutions involved with Orthodontics as a science. In the movie Being There (1979), Peter Sellers plays the gardener Chance. Living completely secluded in Washington D.C., what Chance knows about the world is what he sees on television. He entered into the real world due to misfortune and ends up joining an exclusive circle of powerful government men...

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orthodontics highlights
orthodontics highlights

ANTIMICROBIAL ADDITION DOES NOT INTERFERE IN ORTHODONTIC COMPOSITES’ RESISTANCE The aesthetic, functional and social benefits achieved with orthodontic correction have already been well discussed and documented in the literature. To this end, modern Orthodontics uses accessories attached to the teeth to be moved. Despite all the benefits mentioned above, drawbacks still exist regarding the use of fixed orthodontic appliances, such as cleaning difficulties. The lack of proper hygiene can...

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Should deciduous teeth be preserved in adult patients? How about stem cells? Is it reasonable to preserve them?
Should deciduous teeth be preserved in adult patients? How about stem cells? Is it reasonable to preserve them?

When seeking orthodontic treatment, many adolescents and adult patients present with deciduous teeth. Naturally, deciduous teeth will inevitably undergo exfoliation at the expected time or at a later time. Apoptosis is the biological trigger of root resorption. In adult patients, deciduous teeth should not be preserved, as they promote: infraocclusion, traumatic occlusion, occlusal trauma, diastemata and size as well as morphology discrepancy malocclusion. Orthodontic movement speeds root...

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An interview with Eustáquio A. Araujo
An interview with Eustáquio A. Araujo

Professor Eustáquio Afonso Araújo received his DDS from Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais, Brazil, in the year of 1969. In 1981, he received his certificate in Orthodontics and Masters in Dental Sciences from the University of Pittsburgh, PA, USA. His professional life has been devoted to the orthodontic clinic, education and research. As he returned to Brazil in 1981, he initiated his academic career as an Assistant Professor at Pontifícia...

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Bonding brackets on white spot lesions pretreated by means of two methods
Bonding brackets on white spot lesions pretreated by means of two methods

Objective: The aim of this study was to evaluate the shear bond strength (SBS) of brackets bonded to demineralized enamel pretreated with low viscosity Icon Infiltrant resin (DMG) and glass ionomer cement (Clinpro XT Varnish, 3M Unitek) with and without aging. Methods: A total of 75 bovine enamel specimens were allocated into five groups (n = 15). Group 1 was the control group in which the enamel surface was not demineralized. In the other four groups, the surfaces were submitted to...

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Effect of supplementary zinc on orthodontic tooth movement in a rat model
Effect of supplementary zinc on orthodontic tooth movement in a rat model

Introduction: Osteoclasts and osteoblasts are responsible for regulating bone homeostasis during which the trace element zinc has been shown to exert a cumulative effect on bone mass by stimulating osteoblastic bone formation and inhibiting osteoclastic bone resorption. Objective: The aim of the present study was to investigate the effects of zinc (Zn) on orthodontic tooth movement (OTM) in a rat model. Material and Methods: A total of 44 male Wistar rats were divided into four groups of 11...

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Comparison of arch forms between Turkish and North American
Comparison of arch forms between Turkish and North American

Objective: The aim of this study was to clarify the morphological differences in the mandibular arches of Turkish and North American white subjects. Methods: The sample included 132 Turkish (34 Class I, 58 Class II, and 40 Class III) and 160 North American (60 Class I, 50 Class II, and 50 Class III) subjects. The most facial portion of 13 proximal contact areas was digitized from photocopied images of patients’ mandibular dental arches. Clinical bracket points were calculated for each tooth...

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Self-esteem in adolescents with Angle Class I, II and III malocclusion in a Peruvian sample
Self-esteem in adolescents with Angle Class I, II and III malocclusion in a Peruvian sample

Objective: To compare self-esteem scores in 12 to 16-year-old adolescents with different Angle malocclusion types in a Peruvian sample. Material and Methods: A cross-sectional study was conducted in a sample of 276 adolescents (159, 52 and 65 with Angle Class I, II and III malocclusions, respectively) from Trujillo, Peru. Participants were asked to complete the Rosenberg Self-Esteem Scale (RSES) and were also clinically examined, so as to have Angle malocclusion classification determined....

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The effect of canine disimpaction performed with temporary anchorage devices (TADs) before comprehensive orthodontic treatment to avoid root resorption of adjacent teeth
The effect of canine disimpaction performed with temporary anchorage devices (TADs) before comprehensive orthodontic treatment to avoid root resorption of adjacent teeth

Objective: The aim of this study was to evaluate the movement of impacted canines away from the roots of neighboring teeth before full-mouth bracket placement, performed by means of TADs to decrease undesired side effects on adjacent teeth. Methods: The study sample consisted of 34 palatally impacted canines, being 19 in the experimental group and 15 in the control group. In the experimental group, before placement of brackets, the impacted canine was erupted by means of miniscrews. In the...

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Peri-implant evaluation of osseointegrated implants subjected to orthodontic forces: results after three years of functional loading
Peri-implant evaluation of osseointegrated implants subjected to orthodontic forces: results after three years of functional loading

Objective: The objective of this study was to clinically and radiographically assess the peri-implant conditions of implants used as orthodontic anchorage. Methods: Two groups were studied: 1) a test group in which osseointegrated implants were used as orthodontic anchorage, with the application of 200-cN force; and 2) a control group in which implants were not subjected to orthodontic force, but supported a screw-retained prosthesis. Clinical evaluations were performed three, six and nine...

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Translucency and color match with a shade guide of esthetic brackets with the aid of a spectroradiometer
Translucency and color match with a shade guide of esthetic brackets with the aid of a spectroradiometer

Objective: Since the color of esthetic brackets should match that of teeth, the aims of this study were to determine the color and translucency of esthetic brackets by means of the clinically relevant use of a spectroradiometer, and to compare the color of brackets with that of a commercial shade guide. Methods: The color of central and tie-wing regions of four plastic and four ceramic brackets was measured according to the CIE L*a*b* color scale over white and black backgrounds. Brackets...

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Orthodontic treatment outcomes obtained by application of a finishing protocol
Orthodontic treatment outcomes obtained by application of a finishing protocol

Objective: To evaluate the results of a finishing protocol implemented in patients treated in the Orthodontics graduate program at Universidad de Antioquia. Evaluation was carried out by means of the criteria set by the Objective Grading System (OGS) of the American Board of Orthodontics (ABO). Methods: Cast models and panoramic radiographs of 34 patients were evaluated. The intervention group (IG) consisted of 17 patients (19.88 ± 4.4 years old) treated under a finishing protocol. This...

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Changes in alveolar bone support induced by the Herbst appliance: a tomographic evaluation
Changes in alveolar bone support induced by the Herbst appliance: a tomographic evaluation

Objective: This study evaluated alveolar bone loss around mandibular incisors, induced by the Herbst appliance. Methods: The sample consisted of 23 patients (11 men, 12 women; mean age of 15.76 ± 1.75 years), Class II, Division 1 malocclusion, treated with the Herbst appliance. CBCT scans were obtained before treatment (T0) and after Herbst treatment (T1). Vertical alveolar bone level and alveolar bone thickness of mandibular incisors were assessed. Buccal (B), lingual (L) and total (T)...

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Angle Class I malocclusion with anterior negative overjet
Angle Class I malocclusion with anterior negative overjet

This clinical case report describes the orthodontic treatment of an 8-year and 9-month old female patient with Angle Class I malocclusion, anterior crossbite and canine Class III relationship. Orthodontic treatment was carried out in two stages. The first one was orthopedic, while the second one included the use of a fixed appliance and the need for space gain for reshaping of maxillary lateral incisors. The two-stage treatment combined with multidisciplinary Restorative Cosmetic Dentistry...

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Understanding the basis of space closure in Orthodontics for a more efficient orthodontic treatment
Understanding the basis of space closure in Orthodontics for a more efficient orthodontic treatment

Introduction: Space closure is one of the most challenging processes in Orthodontics and requires a solid comprehension of biomechanics in order to avoid undesirable side effects. Understanding the biomechanical basis of space closure better enables clinicians to determine anchorage and treatment options. In spite of the variety of appliance designs, space closure can be performed by means of friction or frictionless mechanics, and each technique has its advantages and disadvantages....

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