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Acta Odontológica Latinoamericana
versión On-line ISSN 1852-4834
Resumen
BONDAN, João L et al. Marginal fit analysis of premachined and castable UCLA abutments. Acta odontol. latinoam. [online]. 2009, vol.22, n.2, pp.139-142. ISSN 1852-4834.
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.
Palabras clave : Dental implants; Abutments; Marginal fit.