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Dive into the research topics where Andréa Guedes Barreto Gonçales is active.

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Featured researches published by Andréa Guedes Barreto Gonçales.


Journal of Maxillofacial and Oral Surgery | 2014

Computerized Cephalometric Study of the Pharyngeal Airway Space in Patients Submitted to Orthognathic Surgery

Eduardo Sanches Gonçales; Julierme Ferreira Rocha; Andréa Guedes Barreto Gonçales; Renato Yassutaka Faria Yaedú; Eduardo Sant’Ana

IntroductionPharynx is a muscular organ with is sustained by craniofacial bones. It is divided into nasal, oral and hipopharynx, and can be considered as a tube that serves both respiratory and digestive systems. Its anatomical morphology permits that factors facilitate its obstruction, leading to the sleep apnea syndrome. One of the treatment consists of surgical mandibular advancement, increasing pharyngeal dimensions. The aim of this study was evaluate the cephalometric changes in the pharyngeal airway space after orthognathic surgery procedures for correction of mandibular prognathism.Materials and MethodsPre and post-operative cephalometric analysis was performed on 19 patients submitted to mandibular setback by mandibular bilateral sagittal split osteotomy associated with maxillary advancement by Le Fort I osteotomy, using the Dolphin Imaging 10.0 software.ResultsResults did not reveal statistically significant changes in the upper (nasopharyngeal), middle (oropharyngeal) and lower (hypopharyngeal) airway spaces, but showed increase in the nasal pharynx due the maxillary advancement and a lower position of the hyoid bone due the mandibular setback.DiscussionMaxillomandibular orthognathic surgery for correction of mandibular prognathism does not seem to statistically significantly change the pharyngeal airway space, but it increases the maxillary airway.ConclusionIt seems to be important to consider the double jaw surgery in cases of mandibular prognathism, aiming prevention of a possible reduction of whole upper airway.


International Journal of Oral and Maxillofacial Surgery | 2013

Finite element analysis of stress distribution in anchor teeth in surgically assisted rapid palatal expansion

D.S.F.R. de Assis; T.A. Xavier; Pedro Yoshito Noritomi; Andréa Guedes Barreto Gonçales; O. Ferreira; P.C.P. de Carvalho; Eduardo Sanches Gonçales

The treatment of a transverse maxillary deficiency in skeletally mature individuals should include surgically assisted rapid palatal expansion. This study evaluated the distribution of stresses that affect the expanders anchor teeth using finite element analysis when the osteotomy is varied. Five virtual models were built and the surgically assisted rapid palatal expansion was simulated. Results showed tension on the lingual face of the teeth and alveolar bone, and compression on the buccal side of the alveolar bone. The subtotal Le Fort I osteotomy combined with intermaxillary suture osteotomy seemed to reduce the dissipation of tensions. Therefore, subtotal Le Fort I osteotomy without a step in the zygomaticomaxillary buttress, combined with intermaxillary suture osteotomy and pterygomaxillary disjunction may be the osteotomy of choice to reduce tensions on anchor teeth, which tend to move mesiobuccally (premolar) and distobuccally (molar).


Revista Brasileira De Otorrinolaringologia | 2014

Simultaneous occurrence of dentigerous cyst and residual cyst in the maxilla

Alexandre Simões Nogueira; Marcelo Bonifácio da Silva Sampieri; Eduardo Sanches Gonçales; Andréa Guedes Barreto Gonçales; Eduardo Costa Studart Soares

The cysts that originate in the remnants of dental lamina or enamel organ are known as odontogenic cysts. They are of great interest to otolaryngologists due to their proximity to the maxillary sinus and adjacent areas.1 Radicular cysts represent 72.5% of all odontogenic cysts, followed by dentigerous cysts (DC) (22.2%), and residual cysts (RC) (4.26%).2 The options for treatment of cystic lesions involve curettage, enucleation, marginal resection,3 and endoscopic surgery, which is a viable alternative, especially in cases of extension to the maxillary sinus.4 A PubMed and EBSCOhost search did not retrieve any studies analyzing the simultaneous occurrence of DC and RC. This article reports a case involving the association a DC and a RC in the upper jaw of an edentulous patient.


Revista Brasileira De Otorrinolaringologia | 2014

Simultaneous occurrence of dentigerous cyst and residual cyst in the maxilla✰✰Please cite this article as: Nogueira AS, Sampieri MBS, Sanches-Gonçales ES, Barreto-Gonçales Andrea Guedes, Soares ECS. Simultaneous occurrence of dentigerous cyst and residual cyst in the maxilla. Braz J Otorhinolaryngol. 2014;80:88–9.

Alexandre Simões Nogueira; Marcelo Bonifácio da Silva Sampieri; Eduardo Sanches Gonçales; Andréa Guedes Barreto Gonçales; Eduardo Costa Studart Soares

The cysts that originate in the remnants of dental lamina or enamel organ are known as odontogenic cysts. They are of great interest to otolaryngologists due to their proximity to the maxillary sinus and adjacent areas.1 Radicular cysts represent 72.5% of all odontogenic cysts, followed by dentigerous cysts (DC) (22.2%), and residual cysts (RC) (4.26%).2 The options for treatment of cystic lesions involve curettage, enucleation, marginal resection,3 and endoscopic surgery, which is a viable alternative, especially in cases of extension to the maxillary sinus.4 A PubMed and EBSCOhost search did not retrieve any studies analyzing the simultaneous occurrence of DC and RC. This article reports a case involving the association a DC and a RC in the upper jaw of an edentulous patient.


Revista Brasileira De Otorrinolaringologia | 2014

Simultaneous occurrence of dentigerous cyst and residual cyst in the maxilla Ocorrência simultânea de cisto dentígero e cisto residual na maxila

Alexandre Simões Nogueira; Marcelo Bonifácio da Silva Sampieri; Eduardo Sanches Gonçales; Andréa Guedes Barreto Gonçales; Eduardo Costa Studart Soares

The cysts that originate in the remnants of dental lamina or enamel organ are known as odontogenic cysts. They are of great interest to otolaryngologists due to their proximity to the maxillary sinus and adjacent areas.1 Radicular cysts represent 72.5% of all odontogenic cysts, followed by dentigerous cysts (DC) (22.2%), and residual cysts (RC) (4.26%).2 The options for treatment of cystic lesions involve curettage, enucleation, marginal resection,3 and endoscopic surgery, which is a viable alternative, especially in cases of extension to the maxillary sinus.4 A PubMed and EBSCOhost search did not retrieve any studies analyzing the simultaneous occurrence of DC and RC. This article reports a case involving the association a DC and a RC in the upper jaw of an edentulous patient.


Revista Brasileira De Otorrinolaringologia | 2014

Ocorrência simultânea de cisto dentígero e cisto residual na maxila

Alexandre Simões Nogueira; Marcelo Bonifácio da Silva Sampieri; Eduardo Sanches Gonçales; Andréa Guedes Barreto Gonçales; Eduardo Costa Studart Soares

The cysts that originate in the remnants of dental lamina or enamel organ are known as odontogenic cysts. They are of great interest to otolaryngologists due to their proximity to the maxillary sinus and adjacent areas.1 Radicular cysts represent 72.5% of all odontogenic cysts, followed by dentigerous cysts (DC) (22.2%), and residual cysts (RC) (4.26%).2 The options for treatment of cystic lesions involve curettage, enucleation, marginal resection,3 and endoscopic surgery, which is a viable alternative, especially in cases of extension to the maxillary sinus.4 A PubMed and EBSCOhost search did not retrieve any studies analyzing the simultaneous occurrence of DC and RC. This article reports a case involving the association a DC and a RC in the upper jaw of an edentulous patient.


Revista de Odontologia da UNESP | 2013

Complicações após expansão de maxila cirurgicamente assistida

Gustavo Cavalcanti de Albuquerque; Andréa Guedes Barreto Gonçales; Victor Tieghi Neto; Alexandre Simões Nogueira; Diogo Souza Ferreira Rubim de Assis; Eduardo Sanches Gonçales

INTRODUCAO: O tratamento da deficiencia transversal de maxila, em adultos, exige a expansao de maxila cirurgicamente assistida. Diversas tecnicas cirurgicas sao conhecidas para a realizacao desse procedimento, porem estas relacionam-se com complicacoes. OBJETIVO: Avaliar a incidencia de complicacoes associadas ao procedimento de expansao de maxila cirurgicamente assistida. MATERIAL E METODO: Trinta e tres individuos com deficiencia transversal de maxila foram submetidos ao procedimento de expansao pela tecnica da osteotomia Le Fort I subtotal com degrau no pilar zigomatico-maxilar, disjuncao pterigo-maxilar e osteotomia da sutura intermaxilar. Durante os periodos trans e pos-operatorio, as complicacoes relacionadas ao procedimento e as distâncias interdentais foram registradas. RESULTADO: Doze homens e 21 mulheres, com idade media de 24,64 anos, submeteram-se ao procedimento. As mensuracoes das distâncias interdentais evidenciaram aumento das mesmas entre os periodos pre-operatorio e pos-operatorio de 2 meses. As complicacoes prevalentes foram sinusite (6%) e deslocamento associado a inclinacao dental (6%). CONCLUSAO: A expansao de maxila cirurgicamente assistida e um procedimento eficaz e de baixa morbidade para o tratamento da deficiencia transversal de maxila em individuos adultos.


Oral and Maxillofacial Surgery | 2012

Peripheral osteoma of the maxillary sinus: a case report.

Julierme Ferreira Rocha; Andréa Guedes Barreto Gonçales; Marcelo Bonifácio da Silva Sampieri; Andréia Aparecida da Silva; Mariza Akemi Matsumoto; Eduardo Sanches Gonçales


International Journal of Oral and Maxillofacial Surgery | 2011

Analysis of the dento-skeletal effects using cone beam computed tomography (CBCT) after surgically assisted maxillary expansion in adult patients

Eduardo Sanches Gonçales; V. Tieghi Neto; Andréa Guedes Barreto Gonçales; O. Ferreira


The Journal of clinical dentistry | 2017

Estudo retrospectivo observacional do índice de sobrevivência de implantes de superfície SLActive

Rodolfo Francisco; Andréa Guedes Barreto Gonçales; Alexandre Simões Nogueira; Fábio Sanches Magalhães Tunes; Eduardo Sanches Gonçales

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V. Tieghi Neto

University of São Paulo

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Julierme Ferreira Rocha

Federal University of Campina Grande

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