Avaliação da micro infiltração bacteriana na interface implante/pilar
Luiz Antonio Ferreira.
Dissertação
por
D3
Campinas : [s.n.], 2013.
45 f. : il.
Dissertação (Mestrado em Prótese Dentária) - Centro de Pesquisas Odontológicas São Leopoldo Mandic.
Buscando previsibilidade quanto à segurança e funcionalidade dos implantes dentários, devem ser pesquisados vários fatores que afetam as interfaces osso/implante e implante/pilar, especialmente quanto à micro infiltração. Esta pesquisa objetivou avaliar in vitro a micro infiltração bacteriana na...
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Buscando previsibilidade quanto à segurança e funcionalidade dos implantes dentários, devem ser pesquisados vários fatores que afetam as interfaces osso/implante e implante/pilar, especialmente quanto à micro infiltração. Esta pesquisa objetivou avaliar in vitro a micro infiltração bacteriana na interface dos implantes entre os pilares tipo UCLA totalmente calcináveis e calcináveis com base pré-fabricada. Foram utilizados 20 conjuntos, grupos A e B, sendo o grupo A composto de 10 conjuntos "implante-pilar UCLA totalmente calcinável" fundido em laboratório com níquel cromo e grupo B representado por 10 conjuntos "implante/pilar UCLA de base pré-fabricada" inoculados com Escherichia coli e colocados em meio de cultura para observação da turvação nos períodos de 1, 2, 5, 7 e 14 dias, demostrando assim, a micro infiltração pela interface implante/pilar. Testes Q de Cochran indicaram que houve aumento do número de meios que se tornaram turvos ao longo do tempo de incubação quando se utilizaram pilares tipo UCLA com base pré-fabricada (p=0,0174). No primeiro dia havia apenas 30% das amostras com turvamento, proporção que não se alterou até o 7º dia; já que no 14º dia, 60% dos meios estavam turvos. Para os pilares totalmente calcináveis já após o primeiro dia, 80% das amostras apresentaram-se turvos e, a partir do segundo dia de incubação, 100% dos meios estavam turvos. Testes binominais revelaram que os pilares tipo UCLA com base pré-fabricada, em todos os tempos de análise, resultaram no turvamento de um menor número de meios de cultura. Conclui-se que a micro infiltração bacteriana na interface de implante pode ser reduzida pela utilização de pilares tipo UCLA calcináveis com base pré-fabricada.
Palavras-chave: Interface pilar/implante. Microinfiltração bacteriana. Osseointegração.
Seeking predictability for safety and functionality of dental implants, should be searched several factors that affect the interfaces bone/implant and implant/abutment, especially about the micro infiltration. This research aimed to evaluate the in vitro micro bacterial infiltration at the implant interface between abutments UCLA fully calcinable type and calcinable with basis prefabricated.We used 20 sets, groups A and B, with Group A consisting of 10 sets "implant-abutment UCLA fully calcinable" molten in the laboratory with nickel chrome and B group represented by 10 sets "implant / abutment UCLA with prefabricated basis" inoculated with Escherichia coli and placed in culture environment for observation of turbidity in 1, 2, 5, 7 and 14 days, thus demonstrating the microinfiltration by implant / abutment interface. Q Cochran tests indicated an increase in the number of environment which became turbid over time of incubation when used pillars UCLA prefabricated base (p = 0.0174). On the first day there were only 30% of samples with turbidity, a proportion that has not changed until the 7th day, as on day 14, 60% were turbid environment. For the fully calcinable pillars after the first day, 80% of the samples were cloudy and from the second day of incubation, the media were 100% turbid. For the pillars burnout already after the first day, 80% of the samples were cloudy and from the second day of incubation, the environments were 100% turbid. Binominal tests revealed that the pillars UCLA prefabricated base at all time of analysis, resulted in clouding of a smaller number of culture environment. It is concluded that the bacterial micro infiltration at the interface of the implant may be reduced by the use of pillars calcinable UCLA with prefabricated base.
Keywords: Interface abutment. Implant bacterial microleakage. Osseointegration.
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Palavras-chave: Interface pilar/implante. Microinfiltração bacteriana. Osseointegração.
Seeking predictability for safety and functionality of dental implants, should be searched several factors that affect the interfaces bone/implant and implant/abutment, especially about the micro infiltration. This research aimed to evaluate the in vitro micro bacterial infiltration at the implant interface between abutments UCLA fully calcinable type and calcinable with basis prefabricated.We used 20 sets, groups A and B, with Group A consisting of 10 sets "implant-abutment UCLA fully calcinable" molten in the laboratory with nickel chrome and B group represented by 10 sets "implant / abutment UCLA with prefabricated basis" inoculated with Escherichia coli and placed in culture environment for observation of turbidity in 1, 2, 5, 7 and 14 days, thus demonstrating the microinfiltration by implant / abutment interface. Q Cochran tests indicated an increase in the number of environment which became turbid over time of incubation when used pillars UCLA prefabricated base (p = 0.0174). On the first day there were only 30% of samples with turbidity, a proportion that has not changed until the 7th day, as on day 14, 60% were turbid environment. For the fully calcinable pillars after the first day, 80% of the samples were cloudy and from the second day of incubation, the media were 100% turbid. For the pillars burnout already after the first day, 80% of the samples were cloudy and from the second day of incubation, the environments were 100% turbid. Binominal tests revealed that the pillars UCLA prefabricated base at all time of analysis, resulted in clouding of a smaller number of culture environment. It is concluded that the bacterial micro infiltration at the interface of the implant may be reduced by the use of pillars calcinable UCLA with prefabricated base.
Keywords: Interface abutment. Implant bacterial microleakage. Osseointegration.
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Miranda, Milton Edson
Orientador
Avaliação da micro infiltração bacteriana na interface implante/pilar
Luiz Antonio Ferreira.
Avaliação da micro infiltração bacteriana na interface implante/pilar
Luiz Antonio Ferreira.
Exemplares
Nº de exemplares: 1
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