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dc.contributor.authorMachado, Ana Paula da Silva-
dc.date.available2023-02-13-
dc.date.available2023-03-03T14:39:21Z-
dc.date.issued2019-06-12-
dc.identifier.urihttp://repositorioinstitucional.uea.edu.br//handle/riuea/4555-
dc.description.abstractThe aim of this study was to evaluate the influence of the ultrasonic agitation of endodontic sealer by evaluation of the percentage of remaining filling in canal light after retreatment as well as the time required for Retreatment. For this, 30 single roots elements extracted from humans were used, which were instrumented by the Protaper Universal system until the instrument F3. In the obturation phase, the specimens were randomly divided into 2 groups (n = 15), where in group 1, the technique of agitation of the sealer was manual, and in Group 2, the ultrasonic agitation of sealer was performed for 20 seconds (s). The root canal sealer used was AH Plus. After this stage the specimens were retreated with Largo drills size 1 and 2, and System Reciproc (R50) and the time was timed. The auxiliary chemical solution used in both treatment and retreatment was sodium hypochlorite at 2.5%. After this, the elements were longitudinally cleaved with a double-sided diamond disc in the Vestibulo-lingual direction, totally cleaved with a Lecron and photographed in magnification of 8X magnification. The total area of root canal and remnants of filling material were quantified. Group 2 showed higher percentage of remaining filling material when compared to Group 1 (p < 0.05). In the evaluation between the groups by thirds, there was a statistically significant difference for the apical third (p < 0.05). In the time evaluation, there was no statistically significant difference between the two groups (p>0.05). The ultrasonic agitation of the sealer significantly influenced the highest percentage of remaining filling material in the root canal walls after retreatment, but did not influence in the time of retreatmentpt_BR
dc.languageporpt_BR
dc.publisherUniversidade do Estado do Amazonaspt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectAtivação ultrassônicapt_BR
dc.subjectEndodôntiapt_BR
dc.titleInfluência da agitação ultrassônica do cimento endodôntico por meio da avaliação do percentual de material remanescente na luz do canal após o retratamentopt_BR
dc.title.alternativeInfluence of ultrasonic agitation of endodontic sealer by evaluating the percentage of remaining material in the canal lumen after retreatmentpt_BR
dc.typeTrabalho de Conclusão de Cursopt_BR
dc.date.accessioned2023-03-03T14:39:21Z-
dc.contributor.advisor1Carvalho, Fredson Márcio Acris de-
dc.contributor.referee1Carvalho, Fredson Márcio Acris de-
dc.contributor.referee2Brum, Joelson Rodrigues-
dc.contributor.referee2Latteshttp://lattes.cnpq.br/0257556911502691pt_BR
dc.contributor.referee3Marques, André Augusto Franco-
dc.contributor.referee3Latteshttp://lattes.cnpq.br/0881446518841907pt_BR
dc.description.resumoO objetivo deste trabalho foi avaliar a influência da agitação ultrassônica do cimento endodôntico por meio da avaliação do percentual de remanescente obturador na luz do canal após o retratamento, bem como o tempo necessário para tal procedimento. Para este fim, foram utilizados 30 elementos monorradiculares extraídos de humanos, os quais foram instrumentados pelo Sistema Protaper Universal até o instrumento F3. Na fase de obturação, os espécimes foram divididos aleatoriamente em 2 grupos (n=15), onde no Grupo 1, a técnica de aplicação do cimento obturador foi realizada manualmente, e no Grupo 2, foi realizado a agitação ultrassônica do cimento obturador por 20 segundos (s). O cimento utilizado foi o cimento AH Plus. Após esta etapa os espécimes foram retratados com auxílio de borcas de Largo 1 e 2, e Sistema Reciproc (R50) onde o tempo foi cronometrado. A solução química auxiliar utilizada tanto no tratamento quanto no retratamento foi o hipoclorito de sódio a 2,5%. Após isso, os elementos foram clivados longitudinalmente por meio de disco de diamante no sentido vestíbulo-lingual, clivados por Lecron e fotografados em magnificação de 8X de ampliação. A área total do canal radicular e de restos de material obturador foram quantificadas. O Grupo 2 apresentou maiores percentuais de remanescente obturador quando comparado com o Grupo 1 (p<0.05). Na avaliação entre os grupos por terços, houve diferença estatística significante para o terço apical (p<0.05). Na avaliação por tempo, não houve diferença estatística significante entre os dois grupos (p>0,05). A agitação ultrassônica do cimento obturador influenciou significativamente em uma maior quantidade percentual de material obturador remanescente nas paredes do canal radicular após o retratamento, porém não influenciou no tempo de retratamentopt_BR
dc.publisher.countryBrasilpt_BR
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dc.publisher.initialsUEApt_BR
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