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1.
Acta Odontol Latinoam ; 22(2): 139-42, 2009.
Artigo em Inglês | MEDLINE | ID: mdl-19839491

RESUMO

This study evaluated the fit between implants and premachined and castable UCLA abutments. All plastic specimens were cast using the conventional technique in accordance with the manufacturer's instructions. Five specimens of each experimental group were measured for vertical and horizontal gaps by scanning electronic microscopy (Phillips XL 30 model, Holland). Gold UCLA (vertical gap: 2.15 microm, horizontal gap: 11.30 microm) and castable rotational UCLA (vertical gap: 14.91 microm, horizontal gap: 59.41 microm) groups showed the lowest and highest mean values, respectively (Neodent, Curitiba, Parana, Brazil). In general, the castable UCLA abutments showed poorer marginal fit than the premachined abutments.


Assuntos
Dente Suporte , Implantes Dentários
2.
Acta odontol. latinoam ; 22(2): 139-142, Sept. 2009. ilus, graf, tab
Artigo em Inglês | LILACS | ID: biblio-973546

RESUMO

This study evaluated the fit between implants and premachined and castable UCLA abutments. All plastic specimens were cast using the conventional technique in accordance with the manufacturer's instructions. Five specimens of each experimental group were measured for vertical and horizontal gaps by scanning electronic microscopy (Phillips XL 30 model, Holland). Gold UCLA (vertical gap: 2.15 μm, horizontal gap: 11.30 μm) and castable rotational UCLA (vertical gap: 14.91 μm, horizontal gap: 59.41 μm) groups showed the lowest and highest mean values, respectively (Neodent, Curitiba, Parana, Brazil). In general, the castable UCLA abutments showed poorer marginal fit than the premachined abutments.


Esse estudo avaliou a adaptacao entre implantes pilares UCLA usinados e fundidos. Todos os corpos de prova de plastico foram fundidos usando tecnica de fundicao convencional de acordo com o fabricante. Cinco corpos de prova foram avaliados em relacao a desadaptacao vertical e horizontal utilizando um Microscopio Eletronico de Varredura. Os grupos UCLA Ouro (desadaptacao vertical: 2.15 μm, horizontal : 11.30 μm) e UCLA rotacional fundido (desadaptacao vertical: 14.91 μm, horizontal: 59.41 μm) mostraram as medias mais baixas e mais altas, respectivamente. De uma maneira geral, os pilares UCLA fundidos mostraram adaptacao menor do que os pilares UCLA usinados.

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