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Item Mulheres com lesões precursoras ou invasivas do colo de útero: a realidade do atendimento no Sistema Único de Saúde(Universidade Federal de Goiás, 2011-08-17) ALBUQUERQUE, Zair Benedita Pinheiro de; SOUZA, Adenicia Custodia Silva e; http://lattes.cnpq.br/5966034868102264; AMARAL, Rita Goreti; http://lattes.cnpq.br/3665611660713029OBJECTIVE: To investigate whether women with altered cervical cytopathological outcomes have been referred to Medium Complexity Units (MCU) as in accordance with the Brazilian Ministry of Health guidelines, as well analyze the perception of these womens about the attention received and the psychologic aspects that involved the diagnosis and treatment. METHODS: Descriptive, exploratory, quantitative and qualitative study based on the cytopathological outcomes of the BHS users carried out in Basic Health Assistance Units (BHAU) referred to Medium Complex Units (MCU) in the municipality of Goiânia, State of Goiás, 2005/2006. We assessed 1.109 records regarding the Brazilian Ministry of Health/the National Institute of Cancer guidelines as established by the Brazilian Nomenclature for Cervical Outcomes and Preconized Clinical Practice. Data was analyzed and processed by using Epi-info 3.3.2, 2006 and Microsoft Excel 2007. Variables were assessed descriptively, through calculus of relative and absolute frequency. For qualitative analysis, the interview method were used containing the subject caracterization and two guiding questions: one with negative polarity and other with positive polarity. RESULTS: From the total number of referrals, 79% were not in accordance with the Brazilian Ministry of Health guidelines which originated a great number of unnecessary procedures. The qualitive analysis explicitated fails on the professional attendance and in this attendance flow regarding to comunication about the actions relatives to treatment, services humanization and no observations of the established flow. The psycosocial aspects demonstrated that women didn t receive the necessary psicological attention to minorate the feelings of pain, despair, shame and, most of all, fear of death and mutilations. CONCLUSIONS: We observed inadequate referrals to the MCUs, which demanded a big number of unnecessary procedures. In women s perception, the attendence was permeated by fails in the reception, in communication, professional assistence, lack of knowledge about the attendence flow. The psycosocial aspects demand treatment integrality with multiprofessional teams working according to a biopsycosocial model.Item Lesões Traumáticas Dento-Alveolares em Dentes Decíduos: Estudo Retrospectivo.(Universidade Federal de Goiás, 2010-05-14) AMORIM, Lilian de Fátima Guedes de; COSTA, Luciane Ribeiro de Rezende Sucasas da; http://lattes.cnpq.br/9906371509661305; ESTRELA, Carlos; http://lattes.cnpq.br/3611967334176683Aim: Determine the prevalence of dental injuries (TDI) in primary teeth and the influence of predisposing clinical factors on their occurrence and analyze the prevalence of developmental sequelae in permanent teeth and determine the association between these sequelae and age, gender, injury type, injury recurrence and sequelae in primary teeth, in children under 7 years old who sought treatment at a private pediatric dental clinic in Goiânia, Goiás, over a period of 15 years. Methodology: A retrospective study which analyzed 2725 dental records. Three hundred and eight dental records with 412 traumatized primary teeth were selected. This constituted the sample used to determine the prevalence of injuries in primary teeth and their association with predisposing clinical factors (Article 1); of these, 241 primary teeth (148 dental records) were followed up until the eruption of the permanent successor teeth. This was the sample for the study of sequelae in primary and permanent teeth (Article 2). All the data were statistically analyzed using the frequency distribution, chi-square test and logistic regression analysis. The level of significance was 5%. Results: The prevalence of dental injuries was 11.3%, with the greatest frequency in the 13-36 month age group. There was no statistical difference between genders. The most frequently affected teeth were the maxillary central incisors (83.3%). The main location of inuries was the home (43.5%), with falls the most frequent cause. The prevalence of dental TDI was similar in all months of the year. The most common type of TDI was subluxation (35.1%). Clinical factors overjet > 3 mm and negative overbite showed a significant difference between the trauma and no-trauma groups. In 46.5% of the cases, treatment was sought in the first 24 hours after the trauma. The most prevalent type of treatment was follow-up (51.0%). Color alteration of crown (26.0%) was the most frequent sequelae for primary teeth. The sequelae found in permanent teeth were enamel discoloration and/or hypoplasia (74.1%) and eruption disorder (25.9%). No significant relation was found between sequelae in permanent teeth and sequelae in primary teeth, type of trauma, gender or TDI recurrence. The only statistical difference was found in relation to the child s age at the moment of trauma. Conclusion: Immediate treatment of the child with a TDI, associated with the efficient diagnosis and long-term follow-up are decisive for the success of treatment. New research to help establish an effective protocol for the treatment of TDIs in primary teeth and the implementation of strategies that prepare professionals to treat TDIs and to educate the public about prevention and treatment of these lesions is necessary..Item Correlação clínico-laboratorial e de imagem do lúpus eritematoso sistêmico e da esclerose múltipla no HC/FM/UFG em Goiânia/Goiás de 2009 a 2010: ênfase nas manifestações neurológicas(Universidade Federal de Goiás, 2011-09-12) DINIZ, Denise Sisterolli; SILVA, Nilzio Antonio da; http://lattes.cnpq.br/1780564621664455Systemic Lupus Erythematosus - LES is an autoimmune disease involving multiple systems. In the Central nervous system-SNC is one of his more severe manifestations. One of the frames of Lupus neuropsychiatric - LES-NP, is a Demyelinating Syndrome - SD. SD in rare cases, may be the first manifestation of LES, resembling multiple sclerosis - MS in their symptoms. MS is autoimmune disease with involvement of SNC with components, degenerative and inflammatory, which can produce autoantibodies and general symptoms that make your final diagnosis. The disease occurs more in young women than in men, typically evolve with outbreaks and remissions. In order to contribute to the diagnosis of these two illnesses, we proposed a comparative analysis, considering clinical, laboratory, and image aspects. As there is a lack of definition of SD, aims to contribute to the definition and establishment of standards of compromise of the SNC by SD of LES-NP, comparing patients with LES-NP and MS (the prototype of CNS demyelinating disease), attended in rheumatology and neurology of the HC/FM/UFG, Goiania. GO, from 2009 to 2010, according to the demographic aspects (sex and age), clinical (time of illness, functional systems and EDSS), laboratory (Autoantibodies and liquid Cerebroespinhal - LCR), image (Conventional magnetic resonance - RM) and Neuropsychological - NPS (cognitive and emotional). It is one epidemiological, analytical and comparative cross-sectional study of LES-NP and MS, which was approved by the CEP/HC/UFG. Were used in the survey questionnaires: an analysis of demographic and personal and family background; other symptoms; Neurological exams and NPS; Analysis: image by RM, laboratory of autoantibodies and LCR; and symptoms of depression and anxiety by Beck inventory (BAI and BDI). The results demonstrated an increased frequency in patients of age; time of disease; Visual symptoms; changes of sensitivity; of coordination; of the March; retention and urinary incontinence; changes of speech and swallowing; depressive and psychotic symptoms in family and personal history; WMHs in parietal and frontal lobes, occipitais, corpus callosum, periventricular, justacortical, brain stem; the cerebellum; spinal cord and the Barkhof and Tintoré criteria - CBT. Other findings in the RM were: infarcts; Vasculitis; menigioma and thrombosis in patients with LES-NP. The involvement of SNC in LES was measured by clinical symptomatology, neurological examination, EDSS, image findings and neuropsychological tests. RM was predictive analytics to relate workload post-lesional adaptation in brain regions typically involved in in. The application of CBT in patients with SD of LES-NP, associated with the qualitative assessment of WMHs may define the differences of neurological involvement pattern of injury of the SD of LES-NP, those at. The dosage of autoantibodies was predictive analytics for the diagnosis of LES, especially the anti DNA, the anti-ENA and the LAC, which were unique in the LES-NP. The clinical examination and laboratory research, neurological autoantibodies antinuclear antibodies and image by RM offers great security in diagnosis of the two diseases.Show that there are aspects of the involvement of the SD in LES needing new assessments, using the markers of neuronal injury, the more specific and with studies of Immunogenetics compared with in, the prototype of CNS demyelinating disease.Item Avaliação do uso de terapias biológicas em pacientes com artrite reumatoide no Estado de Mato Grosso, Brasil(Universidade Federal de Goiás, 2012-08-09) FERNANDES, Vander; SILVA, Nilzio Antonio da; http://lattes.cnpq.br/1780564621664455RA is debilitating autoimmune disease with serious physical, emotional and economic consequences, which affects about 0.5 to 1% of the adult population worldwide. Significant advances in the recognition of the pathophysiology of disease and injury mechanisms allowed the development of new treatment options with drugs that block inflammatory mediators involved in the mechanism of the disease, known as biologics. These drugs are expensive and of continuous use. They are complex to use due care and management of storage and the risk of immediate and delayed adverse reactions. These therapies are available at the Health System for 12 years, is necessary to evaluate the effectiveness of this drug group in the Brazilian public health system in the treatment of rheumatoid arthritis. OBJECTIVES: a) analyze the effectiveness of biological therapies in patients with rheumatoid arthritis of the State of Mato Grosso, through the assessment of disease activity index DAS28-ESR b) Review the laboratory characteristics of these patients; c) examine the safe use these therapies and to describe adverse events. d) analyze the efficiency of the program dispensing of biological therapies in the State of Mato Grosso, Brazil. METHODS: Two groups of patients with rheumatoid arthritis users Pharmacy High Cost of the State Secretariat of Health of Mato Grosso (FAC / SES) or the University General Hospital. Group I included 68 patients who were already in use of biological therapies. These were assessed for disease activity at the time of inclusion in the study and asked about the historical use of biological drugs, satisfaction with access to treatment and adverse events. Laboratory tests prior to treatment were obtained retrospectively. In group II were enrolled and followed prospectively for 24 weeks, 30 patients with early use of biologic therapies. They were evaluated at baseline and at weeks 4, 8, 12 and 24, the disease activity by DAS28-ESR, laboratory tests, satisfaction with access to treatment and adverse events. RESULTS: The groups were similar in demographic characteristics and laboratory related to rheumatoid arthritis. In group I, 80.6% of patients expressed satisfaction with the care of the FAC / SES. The average use of biological was 12.3 months, and 20.9% (14/68) reported an adverse event, all non-serious. The first medication was discontinued in 26.5% (18/68) of patients, 55.6% (10/18) for loss of efficacy and 22.2% (4/18) adverse events. The mean value of DAS28-ESR was 3.8, and 41.2% were in remission or low disease activity, 39,7% in moderate activity and 19,1% in intense activity. In group II, 91.7% of patients expressed satisfaction with the care provided by FAC / SES. Laboratory evaluation was significant change in the conversion of ANA from 13.3% to 23.3% and anti-DNA (ds), 0 to 6.7%, but no clinical significance. The anti-CCP (2) remained positive and stable at 63.3%. There was an adverse reaction in 23% (7/30) of patients. The only suspension of the first plants were by no severe adverse event (hypersensitivity). Following the DAS28-ESR was a significant reduction in the initial mean value of 4.3 to 3.3 (p = 0.002) after 24 weeks of treatment, 60% of patients were in remission or low disease activity, 23, 3% in moderate activity and 16.7% in intense activity. The average value of ESR-DAS28 after use of the biologic group II was significantly lower than in group I (p= 0.042). CONCLUSIONS: 1) Treatment with biologic therapies in the State of Mato Grosso was effective in prospective group. The response in DAS28-ESR was significantly better in the group where the monitoring and control has been programmed with a routine test and calculate the index of disease activity were used. 2) Among the laboratory characteristics were significant conversion in the profile of autoantibodies, confirming the potential immunogenicity of these drugs inducing the formation of autoantibodies, but no clinical significance in the study group. The anti-CCP remained stable in 63% of patients (group II). 3) Biological therapies were safe. There were no serious adverse events reported. There were no reports of infection or death. The most common reason for discontinuation of the first was the loss of biological effectiveness. 4) Patients with rheumatoid arthritis in the use of biologic therapies in the State of Mato Grosso showed satisfaction with the services offered by SES / MT and the majority of users in the metropolitan area of Cuiabá. The program dispensing biological therapies showed higher efficiency when linked to a reference center for this particular type of treatment.Item Ensaio clínica controlado e randomizado para avaliar a imunogenicidade e reatogenicidade da vacina contra hepatite B (butang(R)) aplicada em recém-nascidos na região glútea ou vasto lateral da cocha(Universidade Federal de Goiás, 2009-08-13) JUNQUEIRA, Ana Luiza Neto; TELES, Sheila Araújo; http://lattes.cnpq.br/4975298732179917This study is the first randomized controlled clinical trial for assessing the immunogenicity and reatogenicity of the Butang® vaccine in full term newborns, who were given the first vaccine dose within the first 12 hours of life, comparing two regions of application for the vaccine: anterolateral thigh (ALT) and ventrogluteal (VG). Butang® response was assessed in 224 newborns who were given the vaccine in the VG region and 250 in the ALT one. Both groups were similar regarding gender, weight, timing interval between doses of the vaccine and maternal characteristics. When comparing Butang® immunogenicity, we verified that the proportion of babies who developed anti-HBs protecting titres after three vaccine doses in the VG region was of 97.8% (IC 95%: 94.8 99.3) with geometric mean titer (GMT) of 427.5 mUI/mL (IC 95%: 344.9 530.0), similar to those who were given in the ALT region (97.6%; IC 95%: 94.8 99.1; GMT: 572.0 mUI/mL; IC 95%: 471.1 694.6), which provides evidence that this place is appropriate for hepatitis B vaccination. Eleven newborns did not respond to Butang®, being six of them vaccinated in the VG region and five in the ALT. The most of them were male, one factor which seems to interfere with hepatitis B vaccine response. We verified an increasing proportion of local reactions and fever according to the number of doses given. In addition, after the third dose the proportion of induration (4.0 vs. 11.4) was higher among babies who were given the vaccine in the ALT region when compared to those who were given in the VG region (p < 0,05). No association was observed concerning maternal anti-HBs titres and newborn vaccine response. The evidences of this study showed that the VG region is a safe and immunogenic site to hepatitis B vaccine administration in newborns.Item Desenvolvimento e caracterização de sistemas multiparticualdos de liberação prolongada para o antiinflamatório cetoprofeno(Universidade Federal de Goiás, 2010-02-08) OLIVEIRA, Rodinelli Borges de; LIMA, Eliana Martins; http://lattes.cnpq.br/7248774319455970Ketoprofen is a nonsteroid anti-inflammatory drug (NSAID) which is used in rheumatic disorders and in mild to moderate pain. Ketoprofen has a short biological half life and the commercially available conventional release formulations require dosages to be administered at least 2-3 times a day. Due to these characteristics, ketoprofen is a good candidate for the preparation of controlled release formulations. In this work, a multiparticulate sustained release dosage form containing ketoprofen in a carnauba wax matrix was developed. Particles were prepared by emulsion congealing technique, spray drying, fluidized bed and conventional granulation. Hydroxypropylmethylcellulose (HPMC) and carnauba wax were used in the formulations as the main ingredients to promote sustained release. Particles were evaluated for their rheological properties, morphology and drug release characteristics. For the emulsion congealing technique, system variables were optimized using fractional factorial and response surface experimental design in order to obtain spherical particles with high drug load and sustained drug release profile. The optimized particles had an average diameter of approximately 200 μm, 50% (w/w) drug load, good flow properties and a prolonged release profile (up to 24 hours) for ketoprofen. Particles prepared with HPMC 2208 by spray drying, fluidized bed and conventional granulation did not exhibit prolonged release of the ketoprofen after the dispersion of the drug dosage for in the dissolution medium. Due to their good flowability and capability in prolonging ketoprofen release, carnauba wax pellets prepared by emulsion congealing were submitted to permeation studies through Wistar rats intestinal segments. Results demonstrated that carnauba wax microparticles were able to promote continuous and sustained ketoprofen release, leading to high apparent permeability coefficient in the upper small intestine. Carnauba wax microspheres prepared in this work represent a new multiparticulate sustained release system for the NSAID ketoprofen, exhibiting good potential for application in further pharmaceutical processes. In addition, the microspheres can be prepared without incorporating the drug and used as an excipient in direct compression processes.Item Situação do aleitamento materno na área urbana do município de Anápolis GO(Universidade Federal de Goiás, 2010-12-13) PEREIRA, Sandra Valeria Martins; BACHION, Maria Marcia; http://lattes.cnpq.br/8503907944360635The promotion, protection, and support of breastfeeding is included among the actions set out in the agenda of comprehensive care of children and in the plan for reducing child mortality in Brazil. However, the estimates of prevalence and the median of exclusive breastfeeding and breastfeeding full found for the set of Brazilian capitals and the Federal District are still far below the level considered to be minimum by WHO. On the other hand, the epidemiology of breastfeeding is not yet known due to the country's continental dimensions, making necessary the diagnosis in smaller geographic units, (states and municipalities) This study sought to analyze the epidemiology situation of breastfeeding in children born and living in the urban area of Anápolis in the state of Goiás, Brazil. Initially an exploratory bibliographic study was conducted in search of possible determinants of breastfeeding practices in Brazil, and to do so a review was carried out of this literature with articles published between 2002 to 2010 in the databases of the National Library of Medicine (MEDLINE), Scientific Electronic Library Online (SCIELLO), and Cochrane Library. Of the twenty-two articles selected, 40 explanatory variables for early cessation of breastfeeding practices were found where the most frequent and bigger association force were: use of dummy, mother younger than 20 years old, cesarean, breast complications, grandparents influence, primiparity, underweight child at birth and low familiar income. The field research consisted of a cross sectional study of the population bases was performed with a representative sample of 1919 mother-infant dyads born and living in the urban area of Anápolis (GO). A complex sampling by clusters in two stages was adopted, and in the first one nineteen Primary Sampling Units were selected and in the second the children who came accompanied by their mothers to the Child Multi- Vaccination National Campaign in 2009. For data analysis, the concepts and indicators of breastfeeding practices established by WHO were adopted. Considering the variance of the sampling plan, the Programs used were the Statistical Package for Social Sciences® (SPSS) version 17.0® of the Complex Sample Module and STATA version 8.0® for the procedures of analyzing the complex sample. To do so, a Poisson Robust Model was used for calculating the unadjusted and adjusted prevalence ratios (significance level 0.05 and 95% confidence interval) for the explanatory variables of three outcomes: exclusive breastfeeding (EBF), complete breastfeeding or full breastfeeding (BF) in the first six months of life, and breastfeeding supplemented with other foods between 6 to 23.9 months (SBF). The results showed that the median survival of EBF among children born in the last 24 months was 120 days while the median of BF was 7.9 months. Other indicators of breastfeeding practices were as follows: timely first suckling (68.1%), exclusive breastfeeding at six months of life (59,2%), breastfeeding continued in the second year (22.7%), bottle feeding in the first year of life (58.3%). In the univariate analysis, the bottle was associated with total weaning during the period between 6 to 23.9 months (crude PR 2.27 IC95%1.71, 3.02). The pacifier was the only explanatory variable for cessation of EBF (PR 1.49 IC95% 1.05, 2.12). Independent variables associated with cessation of EBF plus BF were pacifier (PR 2.33 IC95% 1.79, 3.02), complications with breast and nipple (PR 1.78 IC95% 1.17, 2.69), and timely first suckling (PR 1.47 IC95% 1.01, 2.12). The variables independently associated with total weaning were pacifier (PR 1.40 IC95% 1.23, 1.60), prematurity (PR 1.25 IC95% 1.03, 1.51), and experience with breastfeeding (PR 1.15, IC95% 1.006, 1.316). According to the results found in the city of Anápolis (GO), the feeding indicator appropriate to the age reached the level considered very good in relation to the EBF and FB component in the first six months of life, which was higher than the other cities in the country. However, what stands out are the low proportions of complementary breastfeeding after six months of life considering that very low proportions of continued breastfeeding were found in the first and second year of life. The breastfeeding median at 7.9 months showed to be lower than the country's, and did not reach the minimum expected by WHO, which should be 18 months. Given the limitations inherent to the crosssectional study and the lack of data on age of introducing the pacifier, it cannot be maintained that it was the greatest risk for interruption of breastfeeding practices, but instead a hypothesis that it is a behavior of important risk in the urban area of the municipality of Anápolis. We also can observe that most of the explanatory variables found for early weaning (pacifier, bottle, breast complications and lack of timely first suckling, prematurity) are possible to control through actions to promote and support breastfeeding. Moreover, previous experience of success with breastfeeding is an important potential help that may be very well used at the community level where these women can be stimulated and give support to the others both in establishing and maintaining breastfeeding to the appropriate age. Therefore, it is concluded that primary care should be encouraged with an emphasis on encouraging continued breastfeeding until the second year or more.Item Diferentes métodos de medida da pressão arterial em adolescentes e sua correlação com perfil metabólico e aspectos ecocardiográficos(Universidade Federal de Goiás, 2013-10-04) Póvoa, Thaís Inacio Rolim; Sousa, Ana Luiza Lima; Jardim, Paulo César Brandão Veiga; http://lattes.cnpq.br/2292209583823133; Jardim, Paulo César Brandão Veiga; Brandão, Andréa Araújo; Pereira, Edna Regina Silva; Souza, Weimar Kunz Sebba Barroso de; Costa, Paulo Sérgio Sucasas daIntroduction: Blood pressure (BP) varies according to physiological and environmental stimulations and the office BP measurement, most utilized method, does not include this variation. Multiple measurement methods such as ambulatory BP monitoring (ABPM) and home BP monitoring (HBPM) have aided in the attempt of attaining higher diagnosis and prognosis accuracy. The knowledge of BP alterations in adolescents and their implications for target organs are even more limited, and these methods provide good perspectives regarding sustained hypertension and also more unusual types such as white-coat hypertension (WCHT). Objectives: To assess BP in adolescents through office measurement, HBPM, ABPM and test the agreement among these methods. To compare and investigate the correlation of blood pressure measurements with the metabolic profile and echocardiographic aspects between normotensives, patients with sustained HT and with WCHT. Method: the selection included adolescents from a representative sample (n=1025) aged 12 to 18, from Goiânia, Brazil, with office BP and/or home measurement percentile >90 and also a group of normotensives, according to normality values proposed by 4th Task Force. BP was measured twice in separate periods, considering the second measurements’ mean. HBPM (06 days, duplicated measures in the morning and in the evening, regarding the minimum of 12). The selected teenagers performed ABPM and were allocated in the following groups: sustained HT (percentage 95 in office measurement, HBPM and ABPM); WCHT (percentage 95 in office measurement, <90 HBPM and ABPM) and normotensives (percentage <90 in the three methods). Semi-automatic machines, OMRON, HEM-705CP (office and HBPM) and Spacelabs, 90207 (ABPM). Statistical analysis: Pearson’s chi-square, Kolmogorov Smirnov, paired Student’s-t test, Bland-Altman, Mountain Plots, ANOVA One Way with Bonferroni correction and Pearson’s coefficient. Considered significant: p<0.05. Results: in total samples (n=133), values of office measurement (SBP:127.3±13,8; DBP:74.4±9.5 mmHg); HBPM (SBP:120.3±12.6 DBP:69.4±7.7mmHg) and daytime ABPM (SBP:121.5±9.8; DBP: 70.2±6.6mmHg). Bland-Altman’s graphs show good agreement between HBPM and daytime ABPM. In the comparison of metabolic and echocardiographic aspects, being 65 adolescents evaluated, which 10 had HT, 22 had WCHT and 33 normotensives. BMI: HT (28.5±6.3), WCHT (22.1±3.7) and normotensives (20.7±3.5 kg/m2); HOMA-IR: HT (2.8±1.8), WCHT (2.6±1.2) and normotensives (1.8±1.1); Fasting glycaemia: HT (83.1±8.8), WCHT (88.7±8.7) and normotensives (83.2±6.7 cm); Total cholesterol: HT (183.1±57.8), WCHT (165.1±32.8) and normotensives (150.7±23.4mg/dL); Triglycerides: HT (156.6±107.1), WCHT (98.2±47.9) and normotensives (63.3±19.8 mg/dL); Left ventricular mass index (LVMI): HT (62.4±12.1), WCHT (51.1±12.1) and normotensives (53.6±13.0 g/m2). Differences found: LVMI (HT and WCHT, p=0.026); LV mass (HT and normotensives, p=0.006; HT and WCHT, p=0.014); fasting glycaemia (WCHT and normotensives, p=0.034); total cholesterol (HT and normotensives, p=0.029); triglycerides (HT and normotensives, p<0.001; HT and WCHT, Abstract xvi p=0.012). Conclusion: Office measurements must be used as screening method in adolescents with BP measurements above normal and the values must be confirmed through ABPM or HBPM. Sustained hypertension already harms the metabolic and cardiovascular health of teenagers and WCHP seems to be an intermediate situation, nevertheless, it deserves attention due to its metabolic risk.Item Influência da terapia endodôntica e do envelhecimento artificial acelerado na resistência de união de pinos de fibra de vidro à dentina intrarradicular(Universidade Federal de Goiás, 2012-05-28) Santana, Fernanda Ribeiro; Soares, Carlos José; Carlos, Estrela; http://lattes.cnpq.br/3611967334176683; Estrela, Carlos; Soares, Carlos José; Fernandes Neto, Alfredo Júlio; Lopes, Lawrence Gonzaga; Freitas, Gersinei Carlos deAim: To evaluate in vitro the influence of root canal instrumentation techniques, endodontic irrigants, endodontic sealers and artificial accelerated aging on fibreglass post bond strength to bovine intraradicular dentine. Methodology: Part 1. 120 bovine incisors were divided into 12 experimental groups (n=10) resulting from the interaction among 3 study factors: root canal instrumentation technique (RCPSS- root canal preparation with stainless steel instruments - KFile; RCPNiTi- root canal preparation with K3 Nickel-Titanium instruments), endodontic irrigant (NaOCl- 1% sodium hypochlorite; CHX- 2% chlorhexidine; O3- 1.2% ozonated water) (in all samples 17% EDTA was used to remove the smear layer) and specimens artificial accelerated aging (Immediate, test with no aging; Mediate, test performed after 2 months of water storage at 37°C). After root canal preparation, endodontic filling was not performed. Fibreglass posts were cemented with self-adhesive resin cement (RelyX U100, 3M-ESPE) and roots were cross-sectioned to obtain two slices of each third. Samples were submitted to micropush-out test and bond strength values (MPa) were analyzed by ANOVA in a split-plot arrangement and Tukey’s test (α = 0.05). Failure modes were evaluated under a confocal microscope. Part 2. 60 bovine incisors were divided into 6 experimental groups (n=10) resulting from the interaction between 2 study factors: endodontic sealer (Sx- Sealapex; S26- Sealer 26; AHAH Plus) and specimens artificial accelerated aging (Immediate, test with no aging; Mediate, test performed after 2 months of water storage at 37°C). Two control groups were employed (without root canal filling), represented by groups RCPNiTiNaOCl immediate and RCPNiTiNaOCl mediate of part 1 of the present study. In the six experimental groups, root canals were prepared 1mm from the apex with K3 Nickel-Titanium instruments associated with 1% sodium hypochlorite irrigation and 17% EDTA. They were then filled with gutta-percha and the specific sealer of each group, using the lateral compaction technique. Fibreglass posts were cemented with self-adhesive resin cement (RelyX U100, 3M-ESPE) and roots were cross-sectioned to obtain two slices of each third. Abstract xx Samples were submitted to micropush-out test and bond strength values (MPa) were submitted to ANOVA in a split-plot arrangement and Tukey’s test (α = 0,05). Comparisons with control groups were made using Dunnet test (α = 0.05). Failure modes were evaluated under a confocal microscope. Results: Part 1. In specimens submitted to water artificial aging, RCPNiTi presented higher bond strength values than RCPSS in apical third irrigated with NaOCl or CHX. Irrigation with NaOCl resulted in higher bond strength than O3. Artificial aging resulted in significant bond strength increase, except for middle and apical thirds of RCPSSO3 and apical of RCPNiTiO3. Bond strength significantly reduced in apical third. The prevalence of adhesive cement-dentine failure was verified in all groups. Part 2. Endodontic sealers showed no significant differences among them, however they presented significantly lower bond strength values than control groups (without filling), except in cervical third of groups tested immediately. Artificial aging did not interfere on bond strength to intraradicular dentine. There was a significant decrease on bond strength from cervical to apical third. The prevalence of adhesive cement-dentine failure was verified in all groups. Conclusions: Part 1. Root canal preparation with NiTi instruments associated with NaOCl irrigation and EDTA increased the bond strength of fiberglass posts cemented with self-adhesive resin cement to intraradicular dentine. Part 2. Endodontic sealers interfered negatively on bonding of fibreglass posts cemented with self-adhesive resin cement to intraradicular dentine.