Avaliação comparativa dos efeitos maxilares da expansão rápida da maxila com os aparelhos de Haas e Hyrax

Scanavini, Marco Antônio; Reis, Sílvia Augusta Braga; Simões, Marcelo Matiello; Gonçalves, Regina Ap. Rossi

doi:10.1590/s1415-54192006000100009

Cited by 11 publications

(11 citation statements)

References 17 publications

(41 reference statements)

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“…3,8 The Hyrax expansor are better hygienic and indicated for SARME, while the Haas have better distribution of forces because they have an acrylic covering that rests on the palate. 11 Both NSARME and SARME improve upper airflow, decreasing respiratory distress, since they promote the increase of the air cavity. 1,9 There is no significant improvement in the results of the expansion when the osteotomy of the pterygoid pillar is performed.…”

Section: Table 1 Major Consideration On the Sarme And Nsarmementioning

confidence: 99%

“…The areas of bone resistance in the jaw are palatine suture, frontal suture, zygomatic-temporal suture, intermaxillary suture and, mainly, the pterygoid process, where some surgeons opt for separation, since the risk of damage to the pterygoid plexus is large. 3 In a comparative study with 31 randomly divided patients, where the Group used the Hyrax expander and Group B the Haas expander, Scanavini et al, 11 found that Hyrax expanders demonstrated a higher risk of relapse. In the sequence, Claro et al, 12 found significant changes in intercanal and intermolar distances using the Hyrax orthodontic appliance, thus proving a greater posterior cross-sectional increase.…”

Section: Table 1 Major Consideration On the Sarme And Nsarmementioning

confidence: 99%

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Systematic review of major considerations of rapid maxillary expansion

Guerra¹,

Filho²,

Buchala³

2018

JDHODT

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Introduction: In the context of rapid maxillary expansion, transverse deficiencies are the main predictors of dentofacial deformities with high prevalence in dental practice. In this sense, the techniques of surgically assisted rapid maxillary expansion (SARME) and non-surgically assisted rapid maxillary expansion (NSARME) are used in order to correct maxillary development through palatal disjunction. Objective: to analyze the main considerations of rapid maxillary expansion, showing its main indications, contraindications, types of expanders, as well as the main dental and skeletal changes produced by them. Methods: We searched the databases EBSCO, SCIELO, PubMed / MEDLINE and Academic Google in the period 2003 to 2018. The main descriptors (Mesh Terms) were Rapid expansion of the maxilla, Rapid assisted surgery of the maxilla, Rapid non-surgical maxillary expansion, Circuit breakers and Clinical studies. Main Finding: The use of the Hyrax expander has become a poorly indicated procedure since the vast majority of patients with maxillary atresia also have other vertical and / or sagittal discrepancies in the bony bases of the face. In this context, however, the rapid expansion of the surgically assisted maxilla presents as a safe and easy procedure to be performed in the office, and is also a low-cost and acceptable procedure for patients. Conclusion: Based on the literary findings, there is still no consensus on which is the best jaw breaker, and it is necessary to increase the number of clinical and randomized studies, with eligibility criteria that can in fact homogenize the participants. In addition, the literature has clearly shown that it is imperative that dental surgeons have the knowledge and clinical experience to be able to indicate the best procedure for each patient, that is, the rapid expansion of the non-surgical or surgical maxilla.

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Section: Table 1 Major Consideration On the Sarme And Nsarmementioning

confidence: 99%

Section: Table 1 Major Consideration On the Sarme And Nsarmementioning

confidence: 99%

Systematic review of major considerations of rapid maxillary expansion

Guerra¹,

Filho²,

Buchala³

2018

JDHODT

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“…The main goal is maxillary disjunction by palatal expanders, in order to improve the transversal dimension of patients affected by maxillary deficiencies (6,7) . Disjunction may be performed by fixed orthodontic expanders, like Haas, which is a tooth-tissue-borne device, Hyrax and McNamara Expander, which are classified as tooth-borne (8) .…”

Section: Introductionmentioning

confidence: 99%

“…Expanders have an expanding screw, located parallel to the midpalatal suture, activated so that it accumulates a significant quantity of forces, in order to break the resistance offered by such suture and by the pterygopalatine, frontal maxillary, nasal maxillary and zygomaticomaxillary ones (8) . RME may also bring positive results to the oral and nasopharynx anatomy, as well as beneficial effects to hearing (9) .…”

Section: Introductionmentioning

confidence: 99%

Efeitos da expansão rápida de maxila na audição: revisão sistemática da literatura

Bueno

Neves

Sleifer

et al. 2016

Audiol., Commun. Res.

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Purpose: Verifying the effects of rapid maxillary expansion on hearing.Research strategy: The search was conducted in the bibliographic collection of the electronic databases MEDLINE, SciELO and Bibliografia Brasileira de Odontologia (BBO) in January 2016. The keywords used for the research were: "hearing loss", "hearing", "rapid maxillary expansion" and "palatal expansion technique". Selection criteria: Articles in Portuguese, English and Spanish were selected, published up to January 2016, without initial date limitation. Studies related to the rapid maxillary expansion on hearing topic were included in this systematic review. Results: The research strategy resulted in the selection of eight articles, which were classified as clinical trials. The studies explains that the rapid maxillary expansion performed on children and/or teenagers improves hearing thresholds and acoustic impedance measurements. Conclusion: The rapid maxillary expansion caused hearing improvement, despite the methodological limitations and diversity of the analyzed studies.

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“…Segundo Lehman Jr. e Haas (1990), em adultos, a expansão rápida palatina é freqüentemente associada às falhas, como inclinação lateral dos dentes e do osso alveolar, inabilidade para distração da sutura média palatina, necrose da mucosa pelo aparelho expansor e recidiva. Além disso, deficiência unilateral verdadeira não pode ser efetivamente tratada com expansão maxilar rápida convencional porque os efeitos são sempre bilaterais (Chung et al, 2001;Scanavini et al, 2006;Melo et al, 2006).…”

Section: Referencesunclassified

Estudo da variação das medidas ortodônticas e da função respiratória nasal por rinometria acústica e rinomanometria em pacientes submetidos à expansão palatina cirurgicamente assistida

Zambon¹

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Editorial Policy A paper is accepted for publication on the understanding that it has not been submitted simultaneously to another journal, has been read and approved by all authors, and that the work has not been published before. The Editors reserve the right to make editorial and literary corrections. Any opinions expressed or policies advocated do not necessarily reflect the opinions and policies of the Editors. Declarations Upon submission you will be required to complete and upload this form (pdf version or word version) to declare funding, conflict of interest and to indicate whether ethical approval was sought. This information must also be inserted into your manuscript under the acknowledgements section with the headings below. If you have no declaration to make please insert the following statements into your manuscript: Funding: None Competing interests: None declared Ethical approval: Not required Authorship All authors should have made substantial contributions to all of the following: (1) the conception and design of the study, or acquisition of data, or analysis and interpretation of data (2) drafting the article or revising it critically for important intellectual content (3) final approval of the version to be submitted. Normally one or two, and no more than three, authors should appear on a short communication, technical note or interesting case/lesson learnt. Full length articles may contain as many authors as appropriate. Minor contributors and non-contributory clinicians who have allowed their patients to be used in the paper should be acknowledged at the end of the text and before the references. The corresponding author is responsible for ensuring that all authors are aware of their obligations. Before a paper is accepted all the authors of the paper must sign the Confirmation of Authorship form. This form confirms that all the named authors agree to publication if the paper is accepted and that each has had significant input into the paper. Please download the form and send it to the Editorial Office. (pdf version or word version) It is advisable that to prevent delay this form is submitted early in the editorial process. Conflict of interest At the end of the main text, all authors must disclose any financial and personal relationships with other people or organisations that could inappropriately influence (bias) their work. Examples of potential conflicts of interest include employment, consultancies, stock ownership, honoraria, paid expert testimony, patent applications/registrations, and grants or other funding. If an author has no conflict of interest to declare, this should be stated. Role of the funding source All sources of funding should be declared as an acknowledgement at the end of the text. Authors should declare the role of study sponsors, if any, in the study design, in the collection, analysis and interpretation of data; in the writing of the manuscript; and in the decision to submit the manuscript for publication. If the study sponsors had no such involvement, the authors ...

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Avaliação comparativa dos efeitos maxilares da expansão rápida da maxila com os aparelhos de Haas e Hyrax

Cited by 11 publications

References 17 publications

Systematic review of major considerations of rapid maxillary expansion

Systematic review of major considerations of rapid maxillary expansion

Efeitos da expansão rápida de maxila na audição: revisão sistemática da literatura

Estudo da variação das medidas ortodônticas e da função respiratória nasal por rinometria acústica e rinomanometria em pacientes submetidos à expansão palatina cirurgicamente assistida

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