introduction: an overlooked but important part of successful root canal treatment is a straight-line access (sla). the purpose of this in vitro study was to compare the efficacy of introfile and prerace rotary instruments with gates glidden (gg) drills in gaining sla by cone-beam computed tomography (cbct). methods and materials: a total of forty five extracted mandibular first molars were sele...

Two methods of fine tuning the initial settings of hearing aids were compared: An audiologist-driven approach--using real ear measurements and a patient-driven fine-tuning approach--using feedback from real-life situations. The patient-driven fine tuning was conducted by employing the Amplifit(®) II system using audiovideo clips. The audiologist-driven fine tuning was based on the NAL-NL1 presc...

Financial markets in the past decade witnessed an enormous interest of IPO based financing of technology-based business. At the same time large sums of venture capital were provided to technology-oriented enterprises. In this article we review recent developments in the provision of equity for technology-based enterprises. After a brief introduction in the possibilities for financing enterprise...

We present a framework for the analysis and synthesis of acoustical in struments based on data driven probabilistic inference modeling Audio time series and boundary conditions of a played instrument are recorded and the non linear mapping from the control data into the audio space is inferred using the general inference framework of Cluster Weighted Modeling The resulting model is used for rea...

From John Cage’s Prepared Piano to the turntable, the history of musical instruments is scattered with examples of musicians who deeply customised their instruments to fit personal artistic objectives, objectives that differed from the ones the instruments have been designed for. In their digital counterpart however, musical instruments are often presented in the form of closed, finalised syste...

since the introduction of engine-driven nickel-titanium (niti) instruments, attempts have been made to minimize or eliminate their inherent defects, increase their surface hardness/flexibility and also improve their resistance to cyclic fatigue and cutting efficiency. the various strategies of enhancing instrument surface include ion implantation, thermal nitridation, cryogenic treatment and el...

This paper proposes analysis as an effective technique for creating new instruments. Acoustic piano components such as the case, strings, and keyboard mechanism are defined as independent acoustic separation-derived musical instruments. Enhancement of the instruments via digital signal processing and synthesis is also discussed. Friction driven physical model of the string is used to complete t...