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Efeito do condicionamento com diferentes concentrações de ácido fluorídrico sobre a resistência de união entre cerâmica e bráquetes metálicos
(Universidade Federal de Santa Maria, 2014-08-26)
Prior conditioning of the feldspathic ceramic surface is necessary to provide
sufficient adhesion of brackets in this surface. The aim of this study was to evaluate
the effect of etching with different hydrofluoric acid ...
Influência do preparo do esmalte no manchamento marginal de laminados cerâmicos
(Universidade Federal de Santa Maria, 2014-01-14)
The aim of this study was to evaluate the marginal staining of ceramic laminates
cemented with and without the presence of enamel preparation. Thirty-two (32)
permanent central incisors were selected and randomly divided ...
Efeito do desgaste com instrumentos diamantados e da degradação a baixas temperaturas no comportamento mecânico de uma cerâmica Y-TZP
(Universidade Federal de Santa Maria, 2014-08-05)
Objectives: (1) Compare the effects of grinding on a Y-TZP ceramic executed by
diamond discs and diamond burs (with similar grit sizes) in the micromorphology of
surface, phase transformation (t®m), flexural strength and ...