نتایج جستجو برای: آزمون pull out
تعداد نتایج: 947662 فیلتر نتایج به سال:
Background: with the advent of new adhesive materials in dentistry, it has become important to measure regional bond strength along the length of the canal of human teeth to assess the bond strength of resin cements to endodontically treated teeth. This study aimed to investigate the effect of post space region (coronal, middle and apical) and the mode of polymerization of the resin cement on t...
We investigated the static and cyclical strength of parallel and angulated locking plate screws using rigid polyurethane foam (0.32 g/cm(3)) and bovine cancellous bone blocks. Custom-made stainless steel plates with two conically threaded screw holes with different angulations (parallel, 10° and 20° divergent) and 5 mm self-tapping locking screws underwent pull-out and cyclical pull and bending...
The pull-in voltage of a parallel plate electrostatic transducer is used to determine the amount of over-etching in fabricated devices. A detailed analysis of the capacitor behaviour over the full displacement range yields a model, which is used to describe the relation between over-etching and measured pull-in voltage. SEM photos confirm the over-etching measurement based on pull-in voltage. T...
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