Avaliação da temperatura gerada e do tempo gasto durante o preparo do tecido ósseo com a utilização de brocas de diferentes sistemas de implantes

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Comparative wood anatomy of root and stem of Citharexylum myrianthum (Verbenaceae)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Aspectos da furação do titânio 6Al4V com broca de aço rápido sinterizado e broca de metal duro

Pós-graduação em Engenharia Mecânica - FEG

Estudo da tecnologia e processos de extração em poços de petróleo

The analysis of the extraction process in oil wells is presented exploring the challenges to the effectiveness of the procedure is shown step by step in the process. There is an analysis of the major tools and equipment needed in the drilling process, promoting the understanding of the challenges in the pre-salt layers, compared to conventional processes. The work is reinforced through studies of the influence of the corrosive compared not corrosive environment in drill strings

Fases de investigação geológico-geotécnica para a implantação de dutovias

The research addresses the need for detailed geological and geotechnical investigations in pipeline’s design, given the diversity of geological units crossed by these works along its layout, which often extends for hundreds of miles. For its large size, this type of work often goes through different states and regions with very different characteristics in terms of topography, vegetation, geology and geotechnical conditions. For a better use of these investigations in order to avoid unnecessary costs and inefficient results, some authors recommend that steps be taken to study, seeking a progressive detail of the pipeline’s implantation area. The main objective of the study is to describe, analyze and correlate the proposals for geological and geotechnical’s investigation recommended by the authors selected. Nogueira Junior & Marques (1998) suggest that for better effectiveness of geological and geotechnical investigations associated with the deployment of pipelines, different research methods are applied sequentially in five major stages of the building. Rocha et al (2008) recommend that, for the pipeline’s implantation using horizontal directional drilling, investigations are performed in three phases of study, to be developed in coordination with the project stages. For Gelinas & Mathy (2004), when time and budget constraints permit, geotechnical investigations for directional drilling projects for pipelines must be made in four sequential phases. Heinz (2008) suggests that the geotechnical investigations for pipeline’s implantation using horizontal directional drilling at crossings of water bodies are carried out in three successive stages. By the development of research, we could see that all the different proposals recommend studies in sequential phases, starting from a more general scale for a more specific, seeking a progressive understanding of the geological model of the area where you intend to deploy the pipeline

Bloqueio pericoal guiado por ultrassom: ensaio clínico randonizado

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Avaliação in vitro do pH do hidróxido de cálcio usado como medicação intracanal em associação com clorexidina e racealfatocoferol

Objective: The aim of this study was to evaluate the pH of calcium hydroxide (CalenTM) when associated or not with chlorhexidine 0.4%, and when associated with chlorhexidine with the addition of 20% or 10% of alphatocopherol (AchéTM), assessed in several periods of time. Methods: Fourty dentine tubes 20 mm, properly standardized, were made from bovine anterior teeth roots. Following, a perforation was achieved in the roots distal face at 7 mm from the cervical radicular line by using a #1/2 carbide bur. After complete root sealing is made, except in the perforation local, the radicular canals were filled with one of the following associations: Group I – Calen®; Group II – Calen™ with chlorehxidine at 0.4%; Group III – Calen™ with chlorhexidine at 0.4% with the addition of 20% (weight) of alhatocopherol compound and Group IV – Calen™ with chlorhexidine at 0.4% with the addition of 10% (weight) alphatocopherol. After cervical sealing is accomplished, the roots were immersed in water MiliQ and the pH, assessed in 24h, 7, 14, 21, 28 and 45 days. Results and Conclusion: In all periods tested, the pH of the calcium hydroxide (Calen™) was similar to the pH of the calcium hydroxide (Calen™) associated with chlorhexidine 0.4% and 10% alphatocopherol (p > 0.05). The association of 20% alphatocopherol obtained the pH lower than the association with 10% (p < 0.05). The pH of the association with chlorhexidine was similar to the pure calcium hydrocide (Calen™) after the 14th day (p > 0.05) only. Therefore, on the 45th day, this difference was significant again (p < 0.05).

Conhecimento odontológico de adultos atendidos em uma unidade de saúde da família do município de São Carlos, Brasil

The Family Health Strategy is a primary care public policy that is becoming a decisive step towards the transformation of the Brazilian healthcare model. This study evaluated the dental knowledge among individuals who attended a Family-Health Unit (FHU) in the city of São Carlos, SP, Brazil. Methods: The evaluation was based on a questionnaire with 20 questions about oral health, prevention and development of dental caries and periodontal disease. The questionnaire was given to 168 individuals, over 18 years of age and both sexes, to fill out under the supervision of a trained dentist. After data collection, the answers contained in the original questionnaires were entered into a database built using the program Excel® (Microsoft Corporation, USA) and a descriptive statistical analysis was done. Results: 66.67% of the subjects reported having received information about dental caries and periodontal disease before attending the FHU, and dentists were cited as the main source of such information (60.71%). With regard to dental caries, 70.24% of the individuals stated that they knew about the subject, but the majority of answers revealed incorrect explanation of it. The multifactorial etiology (bacteria/sugar/poor hygiene) was not mentioned. A low percentage of subjects (24.40%) claimed to know what periodontal disease is, and of these, the highest percentage of responses was related to gingivitis (26.83%) and gingival bleeding (12.20%). Out of all subjects, 80.36% affirmed that oral hygiene is important, and among them, the main reasons cited were the maintenance of oral health (29.63%), to avoid diseases (16.30%) and to preserve and prevent disease (14.81%). Conclusion: Responses from the questionnaires revealed deficient dental knowledge among the individuals. To improve the understanding about this issue, the information obtained through the questionnaire can be used to develop educational programs that will focus specifically on the major deficiencies found.

Occupational exposure to contaminated biological material: perceptions and feelings experienced among dental students

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Clinicopathological and immunohistochemical evaluation of oesophageal leiomyosarcoma in a dog

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Aplicação do método Phitoscreening para determinação de hidrocarbonetos clorados no município de Porto Feliz - SP

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Efeitos de perfurações artificiais no processo de decomposição em Sus Scrofa (L.) e confecção de uma check-list da entomofauna de Diptera visitante, durante inverno e verão, na região sudeste

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Administração peridural de morfina e fentanil em um felino: relato de caso

Um felino macho, sem raça definida, pesando 3,6 kg com 10 anos de idade foi atendido no Hospital Veterinário “Luiz Quintiliano de Oliveira”, apresentando obstrução uretral com indicação para uretrostomia perineal. Ao exame físico geral, observou-se freqüência cardíaca (FC) de 240 bat.min-1, taquipnéia, temperatura retal (TR) de 38,4oC, mucosas normocoradas, tempo de preenchimento capilar de um segundo e desidratação de aproximadamente 5%. Como medicação pré-anestésica, administrou-se cetamina (6mg.kg-1), midazolam (0,15mg.kg-1) e morfina (0,15mg.kg-1) pela via intramuscular. A veia cefálica foi canulada com cateter 24G para administração de Ringer com Lactato de sódio (10mL.kg-1.h-1) e a indução foi realizada por meio da administração de propofol (4,4mg.kg-1) pela via intravenosa. Seguiu-se a intubação orotraqueal com sonda no 4,0 conectando-se a um circuito sem reinalação de Baraka, sendo a manutenção anestésica efetuada com isofluorano em fluxo diluente de oxigênio a 100%. Em seguida, realizou-se a técnica de anestesia peridural com o paciente em posição esternal e membros pélvicos estendidos cranialmente. Após localização do espaço entre as vértebras L7 e S1, introduziu-se uma agulha 13x4,5 percutaneamente até atingir o espaço peridural, administrando-se morfina (0,1mg.kg-1), fentanil (3mcg.kg-1) e lidocaína a 1% com vasoconstritor (1,8mg.kg-1), perfazendo um volume total de 0,25mL.kg-1. Durante o procedimento anestésico, monitorou-se a FC, freqüência respiratória (f), pressão arterial sistólica (PAS), pressão parcial de dióxido de carbono ao final da expiração (ETCO2), temperatura esofágica (TE), saturação periférica da hemoglobina (SpO2) e plano anestésico. O tempo total de anestesia e cirurgia foi de 65 e 50 minutos, respectivamente. O plano anestésico manteve-se estável, sem a necessidade de resgate analgésico. A SpO2, concentração de isofluorano e TE mantiveram-se em 97±2%, 1,3±0,1% e 36,7±0,4oC, respectivamente. Durante a anestesia, observou-se um momento de hipotensão, provavelmente devido ao bloqueio simpático decorrente da anestesia peridural. Tal evento foi tratado com bolus de solução de Ringer com Lactato de sódio (5mL.kg-1) promovendo o retorno da PAS aos valores de normalidade. A recuperação anestésica do animal foi isenta de complicações inerentes ao procedimento anestésico. O emprego de opióides pela via peridural é recomendado em procedimentos cirúrgicos abdominal, torácico, genito-urinário e ortopédico, principalmente em pacientes de alto risco, obesos e idosos. Em humanos, a associação da morfina e fentanil pela via peridural demonstra analgesia pós-operatória superior à promovida pelo uso isolado da morfina. Conclui-se que na espécie felina, a associação de morfina e fentanil pela via peridural pode ser uma boa alternativa para realização de protocolos de anestesia balanceada para uretrostomia.

Restauração transcirúrgica como alternativa na resolução das perfurações endodônticas

The endodontic perforations are iatrogenic communications that result in a communication between the endodonto and periodontium. This occurrence represents about 10 % of cas- es of failure in endodontic treatment. The management may vary and is related to the drilling site endodontic. This paper aims to report a case of iatrogenic perforation and one of the possible alternatives for the treatment of endodontic perforations -level cervical tooth. During the opening coronary perforation occurred due to improper slope cervical penetration drill. Considering the drilling site, we opted for sealing com- posite resin after surgical access and absolute isolation. After sealing, the channel was filled with medication and instru- mented based on calcium hydroxide. Later the canal was obturated by lateral condensation technique with Sealapex. The radiographic follow-up showed regression of the lesion and the clinical silence confirmed the success of the treatment.

Cisto ósseo simples: relatos de casos

Usually diagnosed in routine radiographs, the simple bone cyst occurs infrequently. Etiology is unknown and differential diagnosis has to be made with dentigerous cyst, keratocystic odontogenic tumor, adenomatoid odontogenic tumor, ameloblastoma and central giant cell granuloma. Treatment is surgical, by perforating the cortical bone. In most cases an empty cavity, without any capsule or epithelial covering, is encountered, but it may have a liquid content. Perforation of the mandibular cortical bone elicits a response that results in bone repair of the empty cavity. This article reviews the subject and presents two cases of this entity and discusses the possible factors that could interfere in healing course.