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Performance in vitro of apex locators in determining root length in primary molars
Conclusion: It was concluded that the methods performanc e varying according to examiner's experience. The Root ZX presented the highest reproducibility and accuracy.RESUMO Objetivo: Avaliar o desempenho in vitro de radiografia digital e de dois localizadores apicais eletr ônicos, Propex II e Root ZX na determinação do comprimento de canal em molares decíduos. Métodos: Foram selecionados 25 molares decíduos divididos em dois grupos, G1, sem reabsorção radicular e G2 com reabsorção radicular. Os exames foram realizados utilizando todos os métodos por dois e xaminadores experientes, com intervalo de 1 semana. O ...
Source: RGO - Revista Gaucha de Odontologia - October 14, 2016 Category: Dentistry Source Type: research

Successful in a conservative treatment of osteoradionecrosis of the jaw: a case report and review of literature
ABSTRACT Osteoradionecrosis of jaws is one of the most serious complications of radiation therapy for head and neck malignancies. The management of osteoradionecrosis continues to be debated and there are few cases which can be resolved with conservative management. This paper presents a case of osteoradionecrosis after a dental extraction affecting the mandible of a 58-year-old man and highlights the conservative therapeutic management and 3-year follow-up period. We combined a conservative nonoperative therapy, including long-term antibiotic therapy and daily irrigation with chlorhexidine mouthrinses in a case of osteora...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research

Papillary mucinous cystadenocarcinoma: rare malignant tumor in minor salivary gland
ABSTRACT Clinical case description of a papillary mucinous cystadenocarcinoma, extremely rare malignant tumor in the salivary gland and difficult to diagnose, in geriatric patient. Patient with 86 years old was referred for treatment with nodular lesion on the inner side of left lower lip extending to the bucal mucosa, without any clinical appearances of malignancy. The lesion was asymptomatic, had flabby consistency and slow growth. Despite the favorable clinical features, after surgical removal, was diagnosed as papillary mucinous papillary mucinous cystadenocarcinoma. Nonetheless, the cellular atypia found was considere...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research

Osteoblastoma in the retromolar region: a case report
This report describes the case of a 27-year-old female patient with a unilocular radiopaque expansive lesion in the left mandible, which had well-delimited margins and caused mild bone expansion. Microscopic analysis revealed the presence of mineralized material in the form of irregularly arranged vital trabeculae at different stages of mineralization. Osteocytes were trapped inside these trabeculae, which contained osteoclast-like multinucleated cells and voluminous pavement cells with hyperchromatic nuclei, sometimes interpreted as osteoblasts. Many bone-producing lesions have clinical, radiologic and histopathologic fea...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research

Odontoma associated with impacted mandibular canine: surgically guided eruption
ABSTRACT Odontoma is the most common type of odontogenic tumor and is most often diagnosed in the second decade of life. This benign tumor has a slow growth and is asymptomatic, which favors its persistence in the bone until some clinical sign emerges or the tumor or be detected in a routine radiograph. The aim of this case report was to present a clinic case of a 13-year-old male, who presented delayed exfoliation of the mandibular right primary canine. The radiographic exam revealed a radiopaque image in the anterior region of the mandible produced by structures that resembled the formation of teeth surrounded by a radio...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research

Septic arthritis of the TMJ: a case report
ABSTRACT Septic arthritis of the temporomandibular joint (TMJ) is an uncommon condition; thus, reports in the specialized literature are still scarce. The TMJ may be affected by extension of a local infectious process, by post-traumatic hematoma, or secondarily, by hematogenous spread. Septic arthritis is more common in the large joints, with the knee and hip most frequently affected. It is characterized by insidious onset and a marked inflammatory process, and is monoarticular in 80% of cases. The present report describes the case of a 6-year-old boy with a history of rheumatoid arthritis who presented with pain, swelling...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research

Molar incisor hypomineralization: an aesthetic conservative restorative approach
ABSTRACT The aim this study is to present a clinical case of conservative aesthetic restorative treatment of teeth 11 and 21 in a patient diagnosed with molar incisor hypomineralization. An 18-year-old female patient came to the Outpatient Restorative Dentistry Clinic at the Federal University of Esp írito Santo, complaining mainly of not feeling comfortable with a color change in her anterior teeth. Molar incisor hypomineralization was diagnosed in molars and incisors and the negative psychosocial implications for the aesthetics involved were noticed. Due to factors such as age, financial viab ility, technical facility a...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research

Approaches adopted by dentists for management of occlusal caries in primary teeth
Conclusion Although a wide range of approaches were adopted by dental practitioners, most preferred invasive interventions, even in situations where preserva tion of tooth structure was recommended.RESUMO Objetivo Avaliar a conduta de cirurgi ões-dentistas da Estratégia de Saúde da Família do município de Campina Grande, Paraíba, Brasil, frente à cárie oclusal em dentes decíduos. Métodos Foi um estudo observacional, transversal, censitário e descritivo no qual 33 profissionais responderam a um questionário que avaliou suas condutas diante de cáries oclusais em esmalte e dentina de dentes decíduos, em dif...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research

Degenerative bone changes in TMJ assessed by cone beam computed tomography
Conclusion The degenerative bone changes occurred more frequently among women and in bilateral location and there was an increasing of alterations according the age. It was not found correlation among condylar mobility and the presence of degenerative bone alterations of the TMJ.RESUMO Objetivo Avaliar as altera ções ósseas degenerativas na cabeça da mandíbula e a mobilidade condilar com relação ao gênero e à faixa etária. Métodos A amostra foi constituída por 106 exames de TCFC para a região de ATM de pacientes com mais de 18 anos, do arquivo de uma clínica de radiologia odontológica, loca lizada na ci...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research

Malocclusion in schoolhildren aged 7-12 years old in Minas Gerais, Brazil
Conclusion It could be concluded that there was a high rate of malocclusion in children and the sagittal relation was maintained in the two periods evaluated. A larger number of manifestations of anterior open bite were observed in the age group of 7 to 9 years, and overbite in the Group from 10 to 12 years. In the transverse relation there was an increase in cross bite from the first to second transitory period.RESUMO Objetivo Determinar a preval ência de má oclusão e as relações inter e intra-arco em escolares de 7 a 12 anos de Vazante, Minas Gerais, Brasil. Métodos Nas relações inter-arco os aspectos no pla...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research

Pregnant women's oral health: knowledge, practices and their relationship with periodontal disease
Conclusion It was concluded that there had been disease prevalence in th e group, becoming persistent throughout pregnancy and also that the women presented many oral health care doubts during their gestational period.RESUMO Objetivo Avaliar o conhecimento, as pr áticas e a percepção em saúde bucal de gestantes e a sua relação com a doença periodontal. Métodos Foi aplicado um questionário à 302 gestantes nas 27 unidades da Estratégia Saúde da Família de Picos, Piauí, cujo serviço priorizava apenas a realização da 1ª consulta odontológica na gestante. Examinadora calibrada (Kappa=0,96) realizou o ex...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research

Osseointegration of machined and anodized implants under the influence of nicotine
Conclusion The nicotine inside the experimental conditions used in this study and the superficial texturization of the implants indicated that they were not influencing bone density.RESUMO Objetivo Avaliar por meio de densitometria óssea o comportamento de dois fatores que podem inteferir no processo da osseointegração: a nicotina e a texturização superficial dos implantes. Métodos Dezenove coelhos da raça Nova Zelândia (Oryctolagus cuniculus) foram distribuídos aleatoriamente em dois grupos (teste e controle), nos quais foram colocados 38 implantes. Na tíbia direita dos animais foram inseridos dezenove impl...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research

Bond strength of glass-ceramic cemented to a zirconia structure: influence of adhesive cementation strategy
Conclusion Regardless of resins cement, the use of adhesives containing phosphate monomers provided superior bond strength than self-adhesive cement.RESUMO Objetivo Avaliar a resist ência de união por cisalhamento (RU) de uma cerâmica de dissilicato de lítio (CDL) à zircônia (Y-TZP) utilizando diferentes estratégias de cimentação. Métodos Cilindros de CDL foram cimentados à estrutura de Y-TZP de acordo com os seguintes sistemas adesivos (SA)/ Cimentos resinosos (CR ) (n=15): U: CR autoadesivo de cura dual; AMBAR: SA contendo monômeros fosfatados (MF) + CR convencional de cura dual; SBU: SA contendo MF/sila...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research

Durability of the adhesive cementation to the dentin substract
Conclusion During the one year period, with the exception of BisCem, the self-adhesive resin cements were a favorable alternative for the adhesive cementation, standing out among these, the G-Cem and Multilink Sprint.RESUMO Objetivo Avaliar, in vitro, a estabilidade da uni ão de cimentos resinosos ao substrato dental através da resistência de união e análise em microscopia eletrônica de varredura (MEV). Métodos Cinquenta e quatro terceiros molares humanos, armazenados em água por um curto (24 horas) e longo período de tempo (1 ano), tiveram a face oclusal r emovida expondo a superfície dentinária. Os dentes...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research

Epidemiology and georeferencing of squamous cell carcinoma cases and their relationship with pesticides
Conclusion No relationship was found between the occurrence of cases of epidermoid carcinoma and the municipalities with high agricultural production and pesticide use.RESUMO Objetivo Analisar a preval ência dos casos de carcinoma epidermóide e fazer seu georreferenciamento, buscando correlaciona-los às áreas de maior produção agrícola e utilização de agrotóxicos. Métodos Trata-se de um estudo transversal, descritivo e retrospectivo realizado por meio de pesquisa dos laudos histopatol ógicos com diagnóstico confirmado de carcinoma epidermóide de boca emitidos de agosto de 2005 a dezembro de 2011 pelo ser...
Source: RGO - Revista Gaucha de Odontologia - September 28, 2016 Category: Dentistry Source Type: research